CN109194894B - Projection recording method, equipment and computer readable storage medium - Google Patents
Projection recording method, equipment and computer readable storage medium Download PDFInfo
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- CN109194894B CN109194894B CN201810999431.1A CN201810999431A CN109194894B CN 109194894 B CN109194894 B CN 109194894B CN 201810999431 A CN201810999431 A CN 201810999431A CN 109194894 B CN109194894 B CN 109194894B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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Abstract
The invention discloses a projection recording method, a device and a computer readable storage medium, wherein the method comprises the following steps: receiving and responding to a video recording instruction, and starting environment sensing and image recognition; then, determining a recording mode through the environment sensing; then, if the fixed recording mode is determined, the initialized image data is identified, and a projection area is determined; and finally, continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data. The humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
Description
Technical Field
The present invention relates to the field of mobile communications, and in particular, to a method and an apparatus for projection recording, and a computer-readable storage medium.
Background
The projection equipment can project images or video contents onto a curtain, and is widely applied to scenes such as schools, families, work meetings and the like. When the existing video recording method is used for recording and projecting, the pictures are messy, and the user experience is influenced.
Disclosure of Invention
In order to solve the problem that the user experience is influenced by disordered pictures when the existing video recording method records projection, the invention provides a projection recording method, which comprises the following steps:
receiving and responding to a video recording instruction, and starting environment sensing and image recognition;
determining a recording mode through the environmental sensing;
if the fixed recording mode is determined, identifying the initialized image data and determining a projection area;
continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data.
Optionally, the receiving and responding to the video recording instruction to start environment sensing and image recognition includes:
receiving and responding to the video recording instruction;
triggering and detecting the residual storage space according to the video recording instruction;
and if the residual storage space is insufficient, feeding back the detection result and providing a projection recording option.
Optionally, the receiving and responding to the video recording instruction to start environment sensing and image recognition further includes:
receiving and responding to a video recording instruction;
starting environment sensing, wherein the environment sensing is used for sensing a setting environment and a hardware environment of the projection recording;
and starting image recognition, wherein the image recognition is used for recognizing the initialized image data and the image data in the recording process.
Optionally, the determining a recording mode through the environment sensing includes:
sensing the setup environment and the hardware environment;
identifying the setting environment and determining the setting options of video recording;
and identifying the hardware environment, and determining the equipment displacement state in the video recording process.
Optionally, if the fixed recording mode is determined, identifying the initialized image data, and determining a projection area includes:
determining the recording mode to be a fixed recording mode according to the equipment displacement state and the setting options;
and identifying the initialized image data and determining the area range of the projection area.
Optionally, if the fixed recording mode is determined, identifying the initialized image data, and determining a projection area, further includes:
determining the recording mode to be a fixed recording mode according to the equipment displacement state and the setting options;
and if the equipment displacement state is changed, re-identifying the initialized image data in a preset period, and determining the area range of the projection area.
Optionally, the continuously acquiring the image data and dividing the first image data of the projection region and the second image data of the non-projection region in the image data includes:
monitoring the residual storage space in real time;
and if the residual storage space is lower than a preset threshold value, deleting the second image data.
Optionally, the continuously acquiring the image data and dividing the first image data of the projection region and the second image data of the non-projection region in the image data further includes:
monitoring the residual storage space in real time;
if the video recording operation is finished and the residual storage space is higher than a preset threshold value;
and restoring the second image data and synthesizing the second image data and the first image data into complete image data.
The invention also proposes a projection recording device comprising a memory, a processor and a computer program stored on said memory and executable on said processor, said computer program realizing, when executed by said processor:
receiving and responding to a video recording instruction, and starting environment sensing and image recognition;
determining a recording mode through the environmental sensing;
if the fixed recording mode is determined, identifying the initialized image data and determining a projection area;
continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data.
The present invention further provides a computer-readable storage medium, on which a projection recording program is stored, and when being executed by a processor, the projection recording program implements the steps of the projection recording method according to any one of the above items.
By implementing the projection recording method, the projection recording equipment and the computer readable storage medium, the environment sensing and the image recognition are started by receiving and responding to the video recording instruction; then, determining a recording mode through the environment sensing; then, if the fixed recording mode is determined, the initialized image data is identified, and a projection area is determined; and finally, continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data. The humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic diagram of a hardware structure of a mobile terminal according to the present invention;
fig. 2 is a communication network system architecture diagram provided by an embodiment of the present invention;
fig. 3 is a flowchart of a first embodiment of the projection recording method of the present invention;
fig. 4 is a flowchart of a second embodiment of the projection recording method of the present invention;
fig. 5 is a flowchart of a third embodiment of the projection recording method of the present invention;
fig. 6 is a flowchart of a fourth embodiment of the projection recording method of the present invention;
fig. 7 is a flowchart of a fifth embodiment of the projection recording method of the present invention;
fig. 8 is a flowchart of a sixth embodiment of the projection recording method of the present invention;
fig. 9 is a flowchart of a seventh embodiment of the projection recording method of the present invention;
fig. 10 is a flowchart of an eighth embodiment of the projection recording method according to the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000 ), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the gesture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and tapping), and other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which are also configurable to the mobile phone, and are not described herein again.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
Example one
Fig. 3 is a flowchart of a first embodiment of the projection recording method according to the present invention. A method of projection recording, the method comprising:
s1, receiving and responding to a video recording instruction, and starting environment sensing and image recognition;
s2, determining a recording mode through the environment sensing;
s3, if the fixed recording mode is determined, identifying the initialized image data and determining a projection area;
and S4, continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data.
In the embodiment, firstly, a video recording instruction is received and responded, and environment sensing and image recognition are started; then, determining a recording mode through the environment sensing; then, if the fixed recording mode is determined, the initialized image data is identified, and a projection area is determined; and finally, continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data.
Specifically, in this embodiment, first, a video recording command is received and responded, and environment sensing and image recognition are started. The video recording instruction in the embodiment is generated by a touch screen of the terminal device, or an entity key, or a combined entity key, or a combination of touch keys, optionally, the video recording instruction is triggered by calling an application program, and optionally, the video recording instruction is triggered and generated according to a preset timing recording scheme. In this embodiment, after the video recording instruction is triggered and generated, environment sensing and image recognition are immediately started, where environment sensing refers to sensing software and hardware environments where the terminal device is located, the software environment includes a video setting environment and a terminal device resource consumption environment, and the hardware environment includes a current terminal device sensor parameter environment. And starting image recognition of a camera module of the terminal equipment while starting environment sensing, and analyzing and monitoring image data acquired by the camera module.
Specifically, in this embodiment, after receiving and responding to a video recording instruction and starting environment sensing and image recognition, a recording mode is determined through the environment sensing. The recording mode of the embodiment includes a timing recording mode, a fixed recording mode, a preset condition recording mode, and the like. Specifically, the timing recording mode is to set an estimated recording time, and stop the video recording when the recording reaches the estimated recording time; the fixed recording mode is that the terminal equipment is fixed on a desktop or a tripod, the terminal equipment is kept in a fixed state in the recording process, and the video recording is stopped or suspended when the terminal equipment moves; the preset condition recording mode refers to setting a software condition or a hardware condition or a software and hardware combined trigger condition required by a user for the terminal equipment, and stopping or pausing the video recording when the preset condition of the user is met in the recording process of the terminal equipment.
Specifically, in this embodiment, after determining the recording mode through the environment sensing, if the recording mode is determined to be the fixed recording mode, the initialized image data is identified, and the projection area is determined. Also, as described in the above example, the initialized image data is acquired within the preset time period after the video recording is started, it is understood that the preset time period may be a short time period, so that the initialized image data is analyzed and detected after several frames or the image data of the preset frames are acquired. Optionally, the analysis and detection operations of the image data are executed while the image data are acquired, and if the analysis and detection operations are completed, that is, the projection area is detected, the execution of the analysis and detection operations is stopped, and the normal acquisition of the image data is resumed. In the present embodiment, the projection area refers to a picture that an object to be recorded is projected by a projector, and it is understood that the present embodiment is also applicable to recording a picture of a television, or other pictures similar to this type.
Specifically, in this embodiment, after the initialized image data is identified and a projection area is determined, the image data is continuously acquired, and the first image data of the projection area and the second image data of the non-projection area are divided in the image data. Similarly, as described in the above example, after the image data is continuously acquired, the projection area and the non-projection area are divided in the image data, where the projection area refers to the screen area of the projection, and similarly, this embodiment is also applicable to the screen area of the recording television, and the non-projection area refers to the other area except the projection area. Optionally, in this embodiment, when there are more than one projection areas at the same time, it is determined whether there is the same projection content in the more than one projection areas, and if there is the same projection content, one projection area is reserved, and the other same projection areas are divided together with the non-projector area.
The method has the advantages that the environment sensing and the image recognition are started by receiving and responding to the video recording instruction; then, determining a recording mode through the environment sensing; then, if the fixed recording mode is determined, the initialized image data is identified, and a projection area is determined; and finally, continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data. The humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
Example two
Fig. 4 is a flowchart of a second embodiment of the projection recording method according to the present invention, wherein the receiving and responding to the video recording command to start environment sensing and image recognition includes:
s11, receiving and responding to the video recording instruction;
s12, triggering and detecting the residual storage space according to the video recording instruction;
and S13, if the residual storage space is insufficient, feeding back the detection result and providing a projection recording option.
In this embodiment, first, the video recording instruction is received and responded; then, triggering to detect the residual storage space according to the video recording instruction; and finally, if the residual storage space is insufficient, feeding back the detection result and providing a projection recording option.
Specifically, in this embodiment, first, a video recording command is received and responded, and environment sensing and image recognition are started. The video recording instruction in the embodiment is generated by a touch screen of the terminal device, or an entity key, or a combined entity key, or a combination of touch keys, optionally, the video recording instruction is triggered by calling an application program, and optionally, the video recording instruction is triggered and generated according to a preset timing recording scheme. In this embodiment, after the video recording instruction is triggered and generated, environment sensing and image recognition are immediately started, where environment sensing refers to sensing software and hardware environments where the terminal device is located, the software environment includes a video setting environment and a terminal device resource consumption environment, and the hardware environment includes a current terminal device sensor parameter environment. And starting image recognition of a camera module of the terminal equipment while starting environment sensing, and analyzing and monitoring image data acquired by the camera module.
Optionally, triggering to detect the remaining storage space according to the video recording instruction;
optionally, the detection of the remaining storage space is triggered according to the video recording instruction and the setting condition of the video recording, wherein the setting condition includes parameters such as resolution of the video recording, video image quality degree and the like;
optionally, if it is detected that the remaining storage space is insufficient, feeding back the detection result, and providing a projection recording option, where the provided projection recording option includes adjusting revising of a setting condition, for example, modifying parameters such as a resolution of video recording and a video picture quality degree.
The method has the advantages that the video recording instruction is received and responded; then, triggering to detect the residual storage space according to the video recording instruction; and finally, if the residual storage space is insufficient, feeding back the detection result and providing a projection recording option. The more humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
EXAMPLE III
Fig. 5 is a flowchart of a third embodiment of the projection recording method according to the present invention, where the receiving and responding to the video recording command to start environment sensing and image recognition further includes:
s11', receiving and responding to the video recording instruction;
s12', starting environment sensing, wherein the environment sensing is used for sensing a setting environment and a hardware environment of the projection recording;
s13', image recognition is started, wherein the image recognition is used to recognize the initialized image data and the image data in the recording process.
In this embodiment, first, a video recording command is received and responded; then, starting environment sensing, wherein the environment sensing is used for sensing a setting environment and a hardware environment of the projection recording; finally, image recognition is started, wherein the image recognition is used for recognizing the initialized image data and the image data in the recording process.
Optionally, environment sensing is started, where the environment sensing is used for sensing a setting environment and a hardware environment of projection recording, and the setting environment refers to parameter setting environments such as resolution and video picture quality degree of video recording, and operating environments such as system resource consumption, screen lighting time, screen brightness and the like during video recording;
optionally, environment sensing is started, where the environment sensing is used for sensing a setting environment and a hardware environment for projection recording, and the hardware environment refers to a sensor parameter environment of a terminal device for video recording, for example, a microphone signal, a gyroscope signal, a gravity sensor signal, a light sensor signal, and the like of the terminal device;
optionally, image recognition is started, where the image recognition is used to recognize the initialized image data and the image data in the recording process, and when the terminal device is kept fixed, if a projection area has been detected in the image data, the detection is stopped.
The method has the advantages that the video recording instruction is received and responded; then, starting environment sensing, wherein the environment sensing is used for sensing a setting environment and a hardware environment of the projection recording; finally, image recognition is started, wherein the image recognition is used for recognizing the initialized image data and the image data in the recording process. The more humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
Example four
Fig. 6 is a flowchart of a fourth embodiment of the projection recording method according to the present invention, wherein the determining a recording mode through the environment sensing includes:
s21, sensing the setting environment and the hardware environment;
s22, identifying the setting environment and determining the setting options of video recording;
and S23, identifying the hardware environment and determining the equipment displacement state in the video recording process.
In this embodiment, first, the setting environment and the hardware environment are sensed; then, identifying the setting environment, and determining the setting options of video recording; and finally, identifying the hardware environment and determining the equipment displacement state in the video recording process.
Specifically, in this embodiment, after receiving and responding to a video recording instruction and starting environment sensing and image recognition, a recording mode is determined through the environment sensing. The recording mode of the embodiment includes a timing recording mode, a fixed recording mode, a preset condition recording mode, and the like. Specifically, the timing recording mode is to set an estimated recording time, and stop the video recording when the recording reaches the estimated recording time; the fixed recording mode is that the terminal equipment is fixed on a desktop or a tripod, the terminal equipment is kept in a fixed state in the recording process, and the video recording is stopped or suspended when the terminal equipment moves; the preset condition recording mode refers to setting a software condition or a hardware condition or a software and hardware combined trigger condition required by a user for the terminal equipment, and stopping or pausing the video recording when the preset condition of the user is met in the recording process of the terminal equipment.
Optionally, the setting environment and the hardware environment are sensed, where the setting environment refers to a parameter setting environment such as resolution of video recording, video picture quality degree, and the like, and an operating environment such as system resource consumption, screen lighting time, screen brightness, and the like during video recording, and the hardware environment refers to a sensor parameter environment of the terminal device for video recording, for example, a microphone signal, a gyroscope signal, a gravity sensor signal, a light sensor signal, and the like of the terminal device;
optionally, identifying the hardware environment, and determining an equipment displacement state in a video recording process, wherein when the equipment displacement state changes, a projection area is synchronously adjusted;
optionally, the hardware environment is identified, and an equipment displacement state in the video recording process is determined, wherein when the equipment displacement state changes, video recording is suspended, meanwhile, the projection area is synchronously adjusted, and when the equipment displacement state remains still, video recording is resumed.
The beneficial effect of the embodiment is that the setting environment and the hardware environment are sensed; then, identifying the setting environment, and determining the setting options of video recording; and finally, identifying the hardware environment and determining the equipment displacement state in the video recording process. The more humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
EXAMPLE five
Fig. 7 is a flowchart of a fifth embodiment of the projection recording method according to the present invention, where based on the above embodiments, if the fixed recording mode is determined, the identifying the initialized image data and determining the projection area include:
s31, determining the recording mode to be a fixed recording mode according to the equipment displacement state and the setting options;
and S32, recognizing the initialized image data and determining the area range of the projection area.
In this embodiment, first, the recording mode is determined to be a fixed recording mode according to the device displacement state and the setting option; then, the initialized image data is identified, and the area range of the projection area is determined.
Specifically, in this embodiment, after determining the recording mode through the environment sensing, if the recording mode is determined to be the fixed recording mode, the initialized image data is identified, and the projection area is determined. Also, as described in the above example, the initialized image data is acquired within the preset time period after the video recording is started, it is understood that the preset time period may be a short time period, so that the initialized image data is analyzed and detected after several frames or the image data of the preset frames are acquired. Optionally, the analysis and detection operations of the image data are executed while the image data are acquired, and if the analysis and detection operations are completed, that is, the projection area is detected, the execution of the analysis and detection operations is stopped, and the normal acquisition of the image data is resumed. In the present embodiment, the projection area refers to a picture that an object to be recorded is projected by a projector, and it is understood that the present embodiment is also applicable to recording a picture of a television, or other pictures similar to this type.
Optionally, determining that the recording mode is a fixed recording mode according to the equipment displacement state and the setting options, and fixedly recording one or more projection pictures;
optionally, the initialized image data is identified, an area range of one or more projection areas is determined, and one or more projection areas are selected as a recording object for video recording according to a recording requirement of a user.
The method has the advantages that the recording mode is determined to be a fixed recording mode through the equipment displacement state and the setting options; then, the initialized image data is identified, and the area range of the projection area is determined. The more humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
EXAMPLE six
Fig. 8 is a flowchart of a sixth embodiment of the projection recording method according to the present invention, where based on the above embodiments, if the fixed recording mode is determined, the initialized image data is identified, and a projection area is determined, further including:
s33, determining the recording mode to be a fixed recording mode according to the equipment displacement state and the setting options;
and S34, if the equipment displacement state changes, re-identifying the initialized image data in a preset period, and determining the area range of the projection area.
In this embodiment, first, the recording mode is determined to be a fixed recording mode according to the device displacement state and the setting option; then, if the displacement state of the device changes, the initialized image data is re-identified in a preset period, and the area range of the projection area is determined.
Optionally, if the displacement state of the device changes, re-identifying the initialized image data in a preset period, and determining an area range of the projection area;
optionally, if the displacement state of the device changes, stopping video recording, re-identifying the initialized image data in a preset period, and restarting video recording after determining the area range of the projection area;
optionally, if the device displacement state changes, the initialized image data is re-identified in a preset period, and the area range of the projection area is determined, because the preset period is short, the scheme can realize video recording along with the projection area in real time, that is, when the user holds the terminal device to record the video of the projection area, accurate acquisition of the image data in the area can be maintained.
The method has the advantages that the recording mode is determined to be a fixed recording mode through the equipment displacement state and the setting options; then, if the displacement state of the device changes, the initialized image data is re-identified in a preset period, and the area range of the projection area is determined. The more humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
EXAMPLE seven
Fig. 9 is a flowchart of a seventh embodiment of the projection recording method according to the present invention, where based on the above embodiment, the continuously acquiring the image data and dividing the first image data of the projection area and the second image data of the non-projection area in the image data includes:
s41, monitoring the residual storage space in real time;
and S42, if the residual storage space is lower than a preset threshold value, deleting the second image data.
In this embodiment, first, the remaining storage space is monitored in real time; and then, if the residual storage space is lower than a preset threshold value, deleting the second image data.
Specifically, in this embodiment, after the initialized image data is identified and a projection area is determined, the image data is continuously acquired, and the first image data of the projection area and the second image data of the non-projection area are divided in the image data. Similarly, as described in the above example, after the image data is continuously acquired, the projection area and the non-projection area are divided in the image data, where the projection area refers to the screen area of the projection, and similarly, this embodiment is also applicable to the screen area of the recording television, and the non-projection area refers to the other area except the projection area. Optionally, in this embodiment, when there are more than one projection areas at the same time, it is determined whether there is the same projection content in the more than one projection areas, and if there is the same projection content, one projection area is reserved, and the other same projection areas are divided together with the non-projector area.
Optionally, the remaining storage space is monitored in real time, wherein a preset threshold value of the remaining storage space is set;
optionally, if the remaining storage space is lower than a preset threshold, deleting the second image data or transferring the second image data to a cloud and deleting the second image data locally.
The beneficial effect of this embodiment is that the remaining storage space is monitored in real time; and then, if the residual storage space is lower than a preset threshold value, deleting the second image data. The more humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
Example eight
Fig. 10 is a flowchart of an eighth embodiment of the projection recording method according to the present invention, based on the above embodiment, where the continuously acquiring the image data and dividing the first image data of the projection area and the second image data of the non-projection area in the image data further includes:
s43, monitoring the residual storage space in real time;
s44, if the video recording operation is finished and the residual storage space is higher than a preset threshold value;
and S45, restoring the second image data and synthesizing the second image data and the first image data into complete image data.
In this embodiment, first, the remaining storage space is monitored in real time; then, if the video recording operation is finished and the residual storage space is higher than a preset threshold value; and finally, recovering the second image data and synthesizing the second image data and the first image data into complete image data.
Optionally, if the remaining storage space is lower than a preset threshold, deleting the second image data or transferring the second image data to a cloud and deleting the second image data locally, and if the local remaining storage capacity is recovered, downloading the second image data from the cloud and synthesizing the second image data and the first image data into complete image data.
The beneficial effect of this embodiment is that the remaining storage space is monitored in real time; then, if the video recording operation is finished and the residual storage space is higher than a preset threshold value; and finally, recovering the second image data and synthesizing the second image data and the first image data into complete image data. The more humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
Example nine
Based on the foregoing embodiments, the present invention further provides a projection recording device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the computer program when executed by the processor implements:
receiving and responding to a video recording instruction, and starting environment sensing and image recognition;
determining a recording mode through the environmental sensing;
if the fixed recording mode is determined, identifying the initialized image data and determining a projection area;
continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data.
In the embodiment, firstly, a video recording instruction is received and responded, and environment sensing and image recognition are started; then, determining a recording mode through the environment sensing; then, if the fixed recording mode is determined, the initialized image data is identified, and a projection area is determined; and finally, continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data.
Specifically, in this embodiment, first, a video recording command is received and responded, and environment sensing and image recognition are started. The video recording instruction in the embodiment is generated by a touch screen of the terminal device, or an entity key, or a combined entity key, or a combination of touch keys, optionally, the video recording instruction is triggered by calling an application program, and optionally, the video recording instruction is triggered and generated according to a preset timing recording scheme. In this embodiment, after the video recording instruction is triggered and generated, environment sensing and image recognition are immediately started, where environment sensing refers to sensing software and hardware environments where the terminal device is located, the software environment includes a video setting environment and a terminal device resource consumption environment, and the hardware environment includes a current terminal device sensor parameter environment. And starting image recognition of a camera module of the terminal equipment while starting environment sensing, and analyzing and monitoring image data acquired by the camera module.
Specifically, in this embodiment, after receiving and responding to a video recording instruction and starting environment sensing and image recognition, a recording mode is determined through the environment sensing. The recording mode of the embodiment includes a timing recording mode, a fixed recording mode, a preset condition recording mode, and the like. Specifically, the timing recording mode is to set an estimated recording time, and stop the video recording when the recording reaches the estimated recording time; the fixed recording mode is that the terminal equipment is fixed on a desktop or a tripod, the terminal equipment is kept in a fixed state in the recording process, and the video recording is stopped or suspended when the terminal equipment moves; the preset condition recording mode refers to setting a software condition or a hardware condition or a software and hardware combined trigger condition required by a user for the terminal equipment, and stopping or pausing the video recording when the preset condition of the user is met in the recording process of the terminal equipment.
Specifically, in this embodiment, after determining the recording mode through the environment sensing, if the recording mode is determined to be the fixed recording mode, the initialized image data is identified, and the projection area is determined. Also, as described in the above example, the initialized image data is acquired within the preset time period after the video recording is started, it is understood that the preset time period may be a short time period, so that the initialized image data is analyzed and detected after several frames or the image data of the preset frames are acquired. Optionally, the analysis and detection operations of the image data are executed while the image data are acquired, and if the analysis and detection operations are completed, that is, the projection area is detected, the execution of the analysis and detection operations is stopped, and the normal acquisition of the image data is resumed. In the present embodiment, the projection area refers to a picture that an object to be recorded is projected by a projector, and it is understood that the present embodiment is also applicable to recording a picture of a television, or other pictures similar to this type.
Specifically, in this embodiment, after the initialized image data is identified and a projection area is determined, the image data is continuously acquired, and the first image data of the projection area and the second image data of the non-projection area are divided in the image data. Similarly, as described in the above example, after the image data is continuously acquired, the projection area and the non-projection area are divided in the image data, where the projection area refers to the screen area of the projection, and similarly, this embodiment is also applicable to the screen area of the recording television, and the non-projection area refers to the other area except the projection area. Optionally, in this embodiment, when there are more than one projection areas at the same time, it is determined whether there is the same projection content in the more than one projection areas, and if there is the same projection content, one projection area is reserved, and the other same projection areas are divided together with the non-projector area.
The method has the advantages that the environment sensing and the image recognition are started by receiving and responding to the video recording instruction; then, determining a recording mode through the environment sensing; then, if the fixed recording mode is determined, the initialized image data is identified, and a projection area is determined; and finally, continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data. The humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
Example ten
Based on the foregoing embodiments, the present invention further provides a computer-readable storage medium, where a projection recording program is stored, and when being executed by a processor, the projection recording program implements the steps of the projection recording method according to any one of the foregoing embodiments.
By implementing the projection recording method, the projection recording equipment and the computer readable storage medium, the environment sensing and the image recognition are started by receiving and responding to the video recording instruction; then, determining a recording mode through the environment sensing; then, if the fixed recording mode is determined, the initialized image data is identified, and a projection area is determined; and finally, continuously acquiring the image data, and dividing the first image data of the projection area and the second image data of the non-projection area in the image data. The humanized projection recording scheme is realized, so that a user can obtain purer recorded content when using the terminal equipment to perform projection recording, and meanwhile, the storage capacity occupied by the recorded content can be reduced, and the user experience is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A method for projection recording, the method comprising:
receiving and responding to a video recording instruction, and starting environment sensing and image recognition;
determining a recording mode through the environmental sensing;
if the terminal equipment is determined to be in a fixed recording mode, identifying initialized image data, and determining a projection area, wherein the fixed recording mode refers to a mode that the terminal equipment is fixed on a desktop or a tripod, the terminal equipment is kept in a fixed state in the recording process, and the video recording is stopped or suspended when the terminal equipment moves; the projection area is a picture area projected by an object to be recorded in the projector;
continuously acquiring recorded image data, and dividing first image data of the projection area and second image data of the non-projection area in the image data;
the continuously acquiring the image data and dividing the first image data of the projection area and the second image data of the non-projection area in the image data comprises:
monitoring the residual storage space in real time;
and if the residual storage space is lower than a preset threshold value, deleting the second image data or transferring the second image data to a cloud end and deleting the second image data locally.
2. The projection recording method according to claim 1, wherein the receiving and responding to the video recording command, starting environment sensing and image recognition, comprises:
receiving and responding to the video recording instruction;
triggering and detecting the residual storage space according to the video recording instruction;
and if the residual storage space is insufficient, feeding back a detection result and providing a projection recording option.
3. The projection recording method according to claim 2, wherein the receiving and responding to the video recording command, starting the environment sensing and the image recognition, further comprises:
receiving and responding to a video recording instruction;
starting environment sensing, wherein the environment sensing is used for sensing a setting environment and a hardware environment of the projection recording;
and starting image recognition, wherein the image recognition is used for recognizing the initialized image data and the image data in the recording process.
4. The projection recording method according to claim 3, wherein the determining a recording mode by the environment sensing includes:
sensing the setup environment and the hardware environment;
identifying the setting environment and determining the setting options of video recording;
and identifying the hardware environment, and determining the equipment displacement state in the video recording process.
5. The method of claim 4, wherein identifying the initialized image data and determining the projection area if the fixed recording mode is determined comprises:
determining the recording mode to be a fixed recording mode according to the equipment displacement state and the setting options;
and identifying the initialized image data and determining the area range of the projection area.
6. The projection recording method according to claim 5, wherein the identifying the initialized image data and determining the projection area if the fixed recording mode is determined, further comprises:
determining the recording mode to be a fixed recording mode according to the equipment displacement state and the setting options;
and if the equipment displacement state is changed, re-identifying the initialized image data in a preset period, and determining the area range of the projection area.
7. The projection recording method according to claim 1, wherein the continuously acquiring the image data and dividing the first image data of the projection area and the second image data of the non-projection area in the image data further comprises:
monitoring the residual storage space in real time;
if the video recording operation is finished and the residual storage space is higher than a preset threshold value;
and restoring the second image data and synthesizing the second image data and the first image data into complete image data.
8. A projection recording device, characterized in that the device comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program realizing, when executed by the processor:
receiving and responding to a video recording instruction, and starting environment sensing and image recognition;
determining a recording mode through the environmental sensing;
if the terminal equipment is determined to be in a fixed recording mode, identifying initialized image data, and determining a projection area, wherein the fixed recording mode refers to a mode that the terminal equipment is fixed on a desktop or a tripod, the terminal equipment is kept in a fixed state in the recording process, and the video recording is stopped or suspended when the terminal equipment moves; the projection area is a picture area projected by an object to be recorded in the projector;
continuously acquiring recorded image data, and dividing first image data of the projection area and second image data of the non-projection area in the image data;
the continuously acquiring the image data and dividing the first image data of the projection area and the second image data of the non-projection area in the image data comprises:
monitoring the residual storage space in real time;
and if the residual storage space is lower than a preset threshold value, deleting the second image data or transferring the second image data to a cloud end and deleting the second image data locally.
9. A computer-readable storage medium, having a projection recording program stored thereon, which, when executed by a processor, implements the steps of the projection recording method according to any one of claims 1 to 7.
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| CN1126025C (en) * | 1997-08-12 | 2003-10-29 | 松下电器产业株式会社 | window display device |
| JP2000090289A (en) * | 1998-07-13 | 2000-03-31 | Sony Corp | Device and method for processing image and medium |
| US7372991B2 (en) * | 2003-09-26 | 2008-05-13 | Seiko Epson Corporation | Method and apparatus for summarizing and indexing the contents of an audio-visual presentation |
| JP5521855B2 (en) * | 2009-09-10 | 2014-06-18 | 株式会社リコー | Projection image area detection device |
| CN102855482A (en) * | 2012-08-16 | 2013-01-02 | 东莞宇龙通信科技有限公司 | Image processing method and device |
| JP2014071539A (en) * | 2012-09-27 | 2014-04-21 | Sharp Corp | Image data editing device, and method for editing image data |
| CN103839567A (en) * | 2012-11-27 | 2014-06-04 | 深圳中兴力维技术有限公司 | Method and device for improving performance of vehicle-mounted DVR and vehicle-mounted DVR |
| CN103974074A (en) * | 2014-04-21 | 2014-08-06 | 西安电子科技大学宁波信息技术研究院 | Education video and lantern slide synchronization method |
| KR20170011870A (en) * | 2015-07-24 | 2017-02-02 | 삼성전자주식회사 | Electronic device and method thereof for providing content |
| JP2017069596A (en) * | 2015-09-28 | 2017-04-06 | キヤノン株式会社 | Image processing device and method |
| CN105245814B (en) * | 2015-10-29 | 2019-04-12 | 天脉聚源（北京）科技有限公司 | A kind of method and device of recording multi-media data |
| CN105812667A (en) * | 2016-04-15 | 2016-07-27 | 张磊 | System and method for photographing PPT rapidly |
| CN106126580A (en) * | 2016-06-20 | 2016-11-16 | 惠州Tcl移动通信有限公司 | A kind of lantern slide filming control method and mobile terminal |
| CN107465958A (en) * | 2017-09-07 | 2017-12-12 | 北京奇虎科技有限公司 | A kind of video sharing method, apparatus, electronic equipment and medium |
| CN108182391B (en) * | 2017-12-19 | 2021-12-17 | 中山大学 | Method for automatically extracting nonrepetitive slide based on education video |
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