CN107026985A - flash lamp control method, device, electronic equipment and storage medium - Google Patents

Abstract

The present disclosure relates to a flashlight control method, device, electronic equipment, and storage medium, wherein the flashlight control method includes: monitoring the scene on the light-emitting side of the flashlight to obtain target monitoring parameters; determining the target output parameters of the flashlight according to the target monitoring parameters ; According to the target output parameters of the flashlight, the flashlight is controlled to emit light, the method enables the flashlight to control the output light according to the environmental conditions, and improves the imaging quality of the shooting device.

Description

Flash control method, device, electronic device and storage medium

technical field

The present disclosure relates to the technical field of mobile terminals, and in particular, to a flash control method, device, electronic equipment, and storage medium.

Background technique

In the related art, the flash light on the mobile terminal is used less frequently in the process of taking pictures, and in most shooting scenarios, users cannot reasonably use the flash light on the mobile terminal to take photos with moderate exposure. When taking pictures under low ambient brightness, if the flash is too far away from the subject, the brightness of the captured image will be low. If the flash is too close to the object to be photographed, the brightness of the captured image will be too high.

Contents of the invention

In order to overcome the problems existing in related technologies, the present disclosure provides a flashlight control method, device, electronic equipment and storage medium.

According to one aspect of the present disclosure, there is provided a flashlight control method, including: monitoring the scene on the light-emitting side of the flashlight to obtain target monitoring parameters; determining the target output parameters of the flashlight according to the target monitoring parameters; according to the The target output parameter controls the flash to emit light.

Optionally, the target monitoring parameters include at least one of the following: distance information between the target object on the light emitting side of the flash light and the flash light, color temperature information of the scene on the light emitting side of the flash light, and The brightness information of the scene.

Optionally, the step of determining the target output parameters of the flashlight according to the target monitoring parameters includes: according to the distance information between the target object on the light emitting side of the flashlight and the flashlight and/or the light emitted by the flashlight The brightness information of one side of the scene determines the output power of the flash.

Optionally, the step of determining the target output parameters of the flashlight according to the target monitoring parameters includes: determining the target color temperature of the flashlight according to the color temperature information of the scene on the light emitting side of the flashlight.

According to the second aspect of the present disclosure, there is also provided a flashlight control device, including: a monitoring module configured to monitor the scene on the light-emitting side of the flashlight to obtain target monitoring parameters; a determination module configured to The target monitoring parameter determines the target output parameter of the flashlight; the control module is configured to control the flashlight to emit light according to the target output parameter.

Optionally, the monitoring module is configured to monitor the scene on the light-emitting side of the flash light, and obtain at least one of the following target monitoring parameters: distance information between the target object on the light-emitting side of the flash light and the flash light, The color temperature information of the scene on the light-emitting side of the flashlight and the brightness information of the scene on the light-emitting side of the flashlight.

Optionally, the determination module is configured to determine the distance of the flash light from the target object on the light-emitting side of the flash light and/or the brightness information of the scene on the light-emitting side of the flash light. Output Power.

Optionally, the determining module is configured to determine the target color temperature of the flash according to the color temperature information of the scene on the light emitting side of the flash.

According to a third aspect of the present disclosure, there is provided an electronic device, including: a monitoring device, a flashlight, and a processing device; the monitoring device is used to monitor the scene on the light-emitting side of the flashlight, and obtain target monitoring parameters; The processing device is configured to determine target output parameters of the flashlight according to the target monitoring parameters, and control the flashlight to emit light according to the target output parameters.

The monitoring device includes at least one of the following: an infrared sensor, a light sensor and a color temperature sensor.

According to a fourth aspect of the present invention, there is provided a flashlight control device, including: a processor; a memory for storing instructions executable by the processor; wherein, the processor is configured to: Perform monitoring to obtain target monitoring parameters; determine target output parameters of the flashlight according to the target monitoring parameters; control the flashlight to emit light according to the target output parameters.

According to a fifth aspect of the present invention, there is provided a computer-readable storage medium on which computer program instructions are stored, wherein the steps of the flash control method of the present disclosure are implemented when the program instructions are executed by a processor.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

The technical solutions of the embodiments of the present disclosure can dynamically control the light of the flashlight according to the monitored conditions of the shooting environment, so that the flashlight can dynamically output light suitable for the shooting environment according to the actual shooting environment, and improve the quality of the photographed photos.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a flow chart of a method for controlling a flashlight according to an exemplary embodiment.

Fig. 2 is a schematic diagram of an electronic device for implementing the flashlight control method of the present disclosure according to an exemplary embodiment.

Fig. 3 is a block diagram of a flash control device according to an exemplary embodiment.

Fig. 4 is a block diagram of a flash control device according to an exemplary embodiment.

detailed description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

Fig. 1 is a flow chart showing a method for controlling a flashlight according to an exemplary embodiment. As shown in Fig. 1, the method for controlling a flashlight is applied to a terminal and includes the following steps.

In step S11, monitor the scene on the side where the flashlight emits light, and obtain target monitoring parameters.

The operation of monitoring the scene on the light-emitting side of the flashlight and obtaining the target monitoring parameters may at least include monitoring whether there is a target object within a preset distance in the scene, and knowing the distance between the target object and the flashlight. For example, the target object is a person/face. At this time, the target object can be monitored by an infrared sensor (also called an infrared sensor), and the infrared sensor can be arranged next to the flashlight. In this case, step S11 may further include: monitoring whether there is a target object on the light-emitting side of the flash light; and acquiring distance information between the target object and the flash light when the target object is detected on the side of the flash light.

The operation of monitoring the scene on the light-emitting side of the flashlight and obtaining the target monitoring parameters may also include collecting brightness information of the scene on the light-emitting side of the flashlight. Based on this, a light sensor can be added next to the flash to collect the brightness information of the scene on the side where the flash emits light. When the brightness value of the scene on the light-emitting side of the flash is relatively large, the target output power of the flash is correspondingly reduced. Specifically, it can be pre-set that when the brightness value corresponding to the scene is greater than the preset brightness value, the actual output power of the flashlight is controlled to be the first preset power, and when the brightness value corresponding to the scene is not greater than the preset brightness value Next, the actual output power of the flashlight is controlled to be the second preset power, wherein the first preset power is smaller than the second preset power.

The operation of monitoring the scene on the light-emitting side of the flashlight and obtaining the target monitoring parameters may further include collecting color temperature information corresponding to the scene on the light-emitting side of the flashlight. According to the collected color temperature information, the flash can be controlled to perform color temperature compensation for the current shooting scene.

In step S12, the target output parameters of the flashlight are determined according to the target monitoring parameters.

In the present disclosure, the target monitoring parameters may include: distance information between the target object on the side of the flash and the flash, scene brightness information, and scene color temperature information, so determining the target output parameters of the flash according to the target monitoring parameters may include the following situations:

Determine the target output parameters of the flash according to the distance between the target object on one side of the flash and the flash; determine the target output parameters of the flash according to the brightness of the scene, or determine the target output parameters of the flash according to the color temperature of the scene. Alternatively, the target output parameter of the flashlight is determined according to any two of the above three target monitoring parameters, or the target output parameter of the flashlight is determined jointly according to the above three target monitoring parameters.

In step S13, the flashlight is controlled to emit light according to the target output parameter.

The target output parameters may include target output power and target color temperature parameters of the flashlight.

The flashlight control method provided in the present disclosure can dynamically control the light emission of the flashlight according to the monitored conditions of the shooting environment, so that the flashlight can dynamically output light suitable for the shooting environment according to the actual shooting environment, and improve the quality of photographed photos.

Fig. 2 is a schematic diagram of an electronic device for implementing the flashlight control method of the present disclosure according to an exemplary embodiment. As shown in Fig. 2, the electronic device includes a camera 21, a flashlight 22, an infrared sensor 23, and a light sensor 24 And the color temperature sensor 25 , where the infrared sensor 23 , the light sensor 24 and the color temperature sensor 25 can be disposed near the flashlight 22 , and are not limited to the positions shown in FIG. 2 . Figure 2 shows that a camera, a flash, an infrared sensor, a light sensor, and a color temperature sensor are arranged on the back of the electronic device to realize the flash control method of the present disclosure, but in order to realize the control of the front flash of the electronic device, the present disclosure can also These components are arranged on the front of the electronic device, and the layout of the positions of the components can also refer to the layout shown in FIG. 2 .

Fig. 3 is a structural block diagram of a flashlight control device according to an exemplary embodiment. Referring to FIG. 3 , the device 300 includes a monitoring module 301 , a determination module 302 and a control module 303 .

The monitoring module 301 is configured to monitor the scene on the light-emitting side of the flashlight, and obtain target monitoring parameters;

The determination module 302 is configured to determine the target output parameters of the flashlight according to the target monitoring parameters;

The control module 303 is configured to control the flashlight to emit light according to the target output parameter.

Wherein, the monitoring module 301 may include: a first monitoring unit, configured to monitor whether there is a target object on the light-emitting side of the flash; The distance information of the flash.

In an embodiment, the above-mentioned monitoring module 301 may be configured to collect color temperature information corresponding to a scene on the light emitting side of the flashlight.

In another embodiment, the above-mentioned monitoring module 301 may also be configured to collect brightness information of the scene on the light-emitting side of the flashlight.

In one embodiment, the determining module 302 is configured to determine the output power of the flashlight according to the distance information between the target object on the light emitting side of the flashlight and the flashlight; and/or determine the output power of the flashlight according to the brightness information of the scene on the light emitting side of the flashlight.

In another embodiment, the determining module 302 is configured to determine the target color temperature information of the flashlight according to the color temperature information of the scene on the light emitting side of the flashlight.

The present disclosure also provides another flashlight control device, which includes: a processor and a memory for storing processor-executable instructions; wherein, the processor is configured to: monitor the scene on the side where the flashlight emits light, and know the target monitoring parameters; determining the target output parameters of the flashlight according to the target monitoring parameters; controlling the flashlight to emit light according to the target output parameters.

Regarding the apparatus in the foregoing embodiments, the specific manner in which each module executes operations has been described in detail in the embodiments related to the method, and will not be described in detail here.

The flashlight control device provided in the present disclosure can dynamically control the light emission of the flashlight according to the monitored conditions of the shooting environment, so that the flashlight can dynamically output light suitable for the shooting environment according to the actual shooting environment, and improve the quality of photographed photos.

The present disclosure also provides a computer-readable storage medium, on which computer program instructions are stored, and when the program instructions are executed by a processor, the steps of the flashlight control method of the present disclosure are implemented.

The present disclosure also provides an electronic device, which includes: a monitoring device, a flashlight, and a processing device; wherein, the monitoring device may include at least one of the following sensors: a sensor for monitoring the distance information between the target object on the side where the flashlight emits light and the flashlight Sensors, for example, an infrared sensor or a distance sensor; a light sensor for monitoring the brightness information of the scene on the light-emitting side of the flash; and a color temperature sensor for monitoring the color temperature information of the scene on the light-emitting side of the flash. The processing device may specifically be a processor, configured to determine the target output power of the flashlight according to the distance information and/or brightness information, and control the flashlight to emit light according to the target output power, or the processing device may further determine the target color temperature of the flashlight according to the color temperature information, Controls the flash to emit light according to the target color temperature.

Fig. 4 is a block diagram of a flash control device 400 according to an exemplary embodiment. For example, the apparatus 400 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

4, device 400 may include one or more of the following components: processing component 402, memory 404, power component 406, multimedia component 405, audio component 410, input/output (I/O) interface 412, sensor component 414 ( The sensor component may include at least one of the aforementioned light sensor, infrared sensor, and color temperature sensor), and a communication component 416 .

The processing component 402 generally controls the overall operations of the device 400, such as those associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 402 may include one or more processors 420 to execute instructions to complete all or part of the steps of the above flash control method. Additionally, processing component 402 may include one or more modules that facilitate interaction between processing component 402 and other components. For example, processing component 402 may include a multimedia module to facilitate interaction between multimedia component 405 and processing component 402 .

The memory 404 is configured to store various types of data to support operations at the device 400 . Examples of such data include instructions for any application or method operating on device 400, contact data, phonebook data, messages, pictures, videos, and the like. The memory 404 can be implemented by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.

Power component 406 provides power to various components of device 400 . Power components 406 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for device 400 .

The multimedia component 408 includes a screen that provides an output interface between the device 400 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense a boundary of a touch or swipe action, but also detect duration and pressure associated with the touch or swipe action. In some embodiments, the multimedia component 408 includes a front camera and/or a rear camera. When the device 400 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capability.

The audio component 410 is configured to output and/or input audio signals. For example, the audio component 410 includes a microphone (MIC), which is configured to receive external audio signals when the device 400 is in operation modes, such as call mode, recording mode and voice recognition mode. Received audio signals may be further stored in memory 404 or sent via communication component 416 . In some embodiments, the audio component 410 also includes a speaker for outputting audio signals.

The I/O interface 412 provides an interface between the processing component 402 and a peripheral interface module. The peripheral interface module may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: a home button, volume buttons, start button, and lock button.

Sensor assembly 414 includes one or more sensors for providing status assessments of various aspects of device 400 . For example, the sensor component 414 can detect the open/closed state of the device 400, the relative positioning of components, such as the display and keypad of the device 400, and the sensor component 414 can also detect a change in the position of the device 400 or a component of the device 400 , the presence or absence of user contact with the device 400 , the device 400 orientation or acceleration/deceleration and the temperature change of the device 400 . The sensor assembly 414 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. Sensor assembly 414 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor component 414 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.

The communication component 416 is configured to facilitate wired or wireless communication between the apparatus 400 and other devices. The device 400 can access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 416 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 416 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wide Band (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, apparatus 400 may be programmed by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable Realized by a gate array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, for implementing the above-mentioned flashlight control method.

In an exemplary embodiment, there is also provided a non-transitory computer-readable storage medium including instructions, such as the memory 404 including instructions, which can be executed by the processor 420 of the device 400 to implement the above flash control method. For example, the non-transitory computer readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

Other embodiments of the disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It should be understood that the present disclosure is not limited to the precise constructions which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (12)

1. a kind of flash lamp control method, it is characterised in that including：

Scene to flash lamp light extraction side is monitored, and knows target monitoring parameter；

The target output parameter of the flash lamp is determined according to the target monitoring parameter；

The flash lamp is controlled to light according to the target output parameter.

2. flash lamp control method according to claim 1, it is characterised in that the target monitoring parameter is included below extremely Few one：

The destination object of the flash lamp light extraction side and the range information of the flash lamp, the field of the flash lamp light extraction side The monochrome information of the scene of the color temperature information of scape and the flash lamp light extraction side.

3. flash lamp control method according to claim 1, it is characterised in that described true according to the target monitoring parameter The step of target output parameter of the fixed flash lamp, includes：

According to the destination object of the flash lamp light extraction side and the range information and/or the flash lamp light extraction of the flash lamp The monochrome information of the scene of side determines the power output of the flash lamp.

4. flash lamp control method according to claim 1, it is characterised in that described true according to the target monitoring parameter The step of target output parameter of the fixed flash lamp, includes：

According to the color temperature information of the scene of the flash lamp light extraction side, the target colour temperature of the flash lamp is determined.

5. a kind of device for controlling flashlight, it is characterised in that including：

Monitoring modular, is configured as being monitored the scene of flash lamp light extraction side, knows target monitoring parameter；

Determining module, is configured as determining the target output parameter of the flash lamp according to the target monitoring parameter；

Control module, is configured as controlling the flash lamp to light according to the target output parameter.

6. device for controlling flashlight according to claim 5, it is characterised in that the monitoring modular, is configured as to institute The scene for stating flash lamp light extraction side is monitored, and knows following at least one target monitoring parameter：

The destination object of the flash lamp light extraction side and the range information of the flash lamp, the field of the flash lamp light extraction side The monochrome information of the scene of the color temperature information of scape and the flash lamp light extraction side.

7. device for controlling flashlight according to claim 5, it is characterised in that the determining module, is configured as basis The destination object of the flash lamp light extraction side and the distance of the flash lamp and/or the scene of the flash lamp light extraction side Monochrome information determines the power output of the flash lamp.

8. device for controlling flashlight according to claim 5, it is characterised in that the determining module, is configured as basis The color temperature information of the scene of the flash lamp light extraction side, determines the target colour temperature of the flash lamp.

9. a kind of electronic equipment, it is characterised in that including：

Monitoring device, flash lamp and processing unit；

The monitoring device is used to be monitored the scene of the flash lamp light extraction side, knows target monitoring parameter；

The processing unit is used for the target output parameter that the flash lamp is determined according to the target monitoring parameter, and according to institute Stating target output parameter controls the flash lamp to light.

10. electronic equipment according to claim 9, it is characterised in that the monitoring device include it is following at least one：

Infrared inductor, light sensor and colour temperature inductor.

11. a kind of device for controlling flashlight, it is characterised in that including：

Processor；

Memory for storing processor-executable instruction；

Wherein, the processor is configured as：

Scene to flash lamp light extraction side is monitored, and knows target monitoring parameter；

The target output parameter of the flash lamp is determined according to the target monitoring parameter；

The flash lamp is controlled to light according to the target output parameter.

12. a kind of computer-readable recording medium, is stored thereon with computer program instructions, it is characterised in that the programmed instruction The step of flash lamp control method described in Claims 1-4 any one is realized when being executed by processor.