CN106126108A - A kind of breviary map generalization method and mobile terminal - Google Patents

Abstract

The present invention provides a method for generating a thumbnail image and a mobile terminal, which solves the problem in the prior art that the thumbnail image interface of an image cannot display key content or content that a user is interested in. The method includes: receiving a user's selection operation on the concerned target object on the image preview interface of the mobile terminal; according to the selection operation, determining a first partial area on the image preview interface including the target object; according to the second For a part of the area, generate a thumbnail of the first image obtained when taking a picture using the image preview interface. The present invention generates a thumbnail image of the first image obtained when taking pictures on the image preview interface of the mobile terminal through the received user's selection operation on the concerned target object on the image preview interface of the mobile terminal, so that the mobile terminal can The content of interest displays the thumbnails of the images taken, which improves the user experience, and also helps users quickly find the images they need in a large number of thumbnails.

Description

A thumbnail generation method and mobile terminal

technical field

The invention relates to the field of computer technology, in particular to a thumbnail generation method and a mobile terminal.

Background technique

In the photo album of a mobile terminal provided with a camera, in order to facilitate the user to quickly browse the pictures therein, the pictures are generally displayed in the form of thumbnails.

However, most thumbnail generation methods are obtained after simple compression and size reduction on the basis of the original image. Such a generation method is monotonous and tedious, and it is not conducive to quickly finding the key content needed or the content that the user is interested in from the massive thumbnail interface in the later stage.

Contents of the invention

Embodiments of the present invention provide a method for generating thumbnails and a mobile terminal, so as to facilitate users to quickly find images that meet user needs from a massive thumbnail interface, increase the fun of thumbnail generation, and improve user experience .

On the one hand, an embodiment of the present invention provides a method for generating a thumbnail, including:

receiving a user's selection operation on the concerned target object on the image preview interface of the mobile terminal;

According to the selection operation, determine a first partial area on the image preview interface that includes the target object;

According to the first partial area, a thumbnail of the first image obtained when taking a picture with the image preview interface is generated.

On the other hand, an embodiment of the present invention also provides a mobile terminal, including:

The receiving module is used to receive the user's selection operation on the concerned target object on the image preview interface of the mobile terminal;

An area determination module, configured to determine a first partial area on the image preview interface that includes the target object according to the selection operation;

The thumbnail generation module is configured to generate a thumbnail of the first image obtained when taking a photo with the image preview interface according to the first partial area.

The method for generating a thumbnail image provided by the embodiment of the present invention generates a thumbnail image of the first image obtained when taking a picture on the image preview interface of the mobile terminal through the received operation of selecting the target object concerned by the user on the image preview interface of the mobile terminal. Thumbnails are convenient for users to quickly find images that meet user needs from a large number of thumbnail interfaces, and at the same time increase the fun of thumbnail generation and improve user experience.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

FIG. 1 is a flow chart of a method for generating a thumbnail image in the first embodiment of the present invention;

FIG. 2 is a flowchart of a method for generating a thumbnail image in a second embodiment of the present invention;

FIG. 3 is a flowchart of a method for generating a thumbnail image in a third embodiment of the present invention;

FIG. 4 is a flowchart of a method for generating a thumbnail image in a fourth embodiment of the present invention;

FIG. 5 is a specific flowchart of step 403 in FIG. 4;

FIG. 6 is one of the structural block diagrams of the first embodiment of the terminal of the present invention;

FIG. 7 is the second structural block diagram of the first embodiment of the terminal of the present invention;

FIG. 8 is a structural block diagram of the second embodiment of the terminal of the present invention;

FIG. 9 is a structural block diagram of a third embodiment of a terminal according to the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

first embodiment

As shown in FIG. 1 , it is a flow chart of the method for generating thumbnails in the first embodiment of the present invention. The implementation process of the method for generating the thumbnail will be specifically described below with reference to this figure.

Step 101, receiving a user's selection operation on a concerned target object on an image preview interface of a mobile terminal.

It should be noted here that the selection operation may include: the user's touch operation or gesture operation on the concerned target object on the image preview interface of the mobile terminal.

Here, the touch operation may also specifically include: tap touch or slide touch. Here, the mobile terminal may determine the user's selection range of the concerned target object on the image preview interface through the user's sliding touch.

Step 102, according to the selection operation, determine a first partial area on the image preview interface that includes the target object.

It should be noted that the target object here may be a person, a scene, or an object, etc., that is, any thing that the user is interested in may be used as the target object.

Step 103, according to the first partial area, generate a thumbnail of the first image obtained when taking a picture using the image preview interface.

It should be noted that the first partial area includes the target object selected by the user, the content displayed on the thumbnail interface includes the target object, and the size of the thumbnail meets a preset size.

The method for generating a thumbnail image provided by the embodiment of the present invention generates a thumbnail image of the first image obtained when taking a picture on the image preview interface of the mobile terminal through the received operation of selecting the target object concerned by the user on the image preview interface of the mobile terminal. Thumbnails, so that users can quickly find images that meet user needs from a large number of thumbnail interfaces, and at the same time increase the fun of thumbnail generation and improve user experience.

second embodiment

As shown in FIG. 2 , it is a flow chart of the method for generating thumbnail images in the second embodiment of the present invention. The implementation process of the method for generating the thumbnail will be specifically described below with reference to this figure.

Step 201, receiving a user's selection operation on a concerned target object on an image preview interface of a mobile terminal.

It should be noted here that the selection operation may include: the user's touch operation or gesture operation on the concerned target object on the image preview interface of the mobile terminal.

Here, the touch operation may also specifically include: tap touch or slide touch. Here, the mobile terminal may determine the user's selection range of the concerned target object on the image preview interface through the user's sliding touch.

Step 202, receiving a user's photographing instruction to obtain a first image corresponding to the image preview interface.

Here, the user's camera instruction can be generated and implemented through voice shutter or touch screen shutter.

It should be noted that, before receiving the user's photographing instruction, the mobile terminal has stored the user's selection operation on the concerned target object on the image preview interface.

Step 203, according to the selection operation, determine a first partial area on the image preview interface that includes the target object.

It should be noted that the first partial area is a partial image area on the first image, and the first partial area includes the entire target object.

Here, after the mobile terminal receives the user's selection operation on the image preview interface, it will obtain the image area corresponding to the selection operation on the first image corresponding to the image preview interface obtained by taking pictures, and image the image area. After processing, the first partial area including the target object can be obtained.

Step 204, according to the first partial area, generate a thumbnail of the first image obtained when taking a picture using the image preview interface.

It should be noted that the content displayed on the thumbnail interface includes the target object.

Here, the thumbnail of the first image may be generated by zooming image processing. Of course, it is not limited to other image processing methods.

The thumbnail generation method provided by the embodiment of the present invention obtains the first image corresponding to the image preview interface by receiving the user’s photographing instruction after receiving the user’s selection operation on the concerned target object on the image preview interface of the mobile terminal. An image, according to the selection operation, the first image is processed to generate a thumbnail of the first image, which is convenient for the user to quickly find the image that meets the user's needs from the massive thumbnail interface, and at the same time increases the fun of thumbnail generation, and also It can satisfy mobile terminals with low image processing speed and improve user experience.

third embodiment

As shown in FIG. 3 , it is a flow chart of the method for generating thumbnail images in the third embodiment of the present invention. The implementation process of the method for generating the thumbnail will be specifically described below with reference to this figure.

Step 301, receiving a user's selection operation on a concerned target object on an image preview interface of a mobile terminal.

It should be noted here that the selection operation may include: the user's touch operation or gesture operation on the concerned target object on the image preview interface of the mobile terminal.

Here, the touch operation may also specifically include: tap touch or slide touch. Here, the mobile terminal may determine the user's selection range of the concerned target object on the image preview interface through the user's sliding touch.

Step 302: Perform target image detection on the image preview interface according to the selection operation, and obtain the partial area to be processed corresponding to the selection operation on the image preview interface, and the partial area to be processed includes the target object some or all.

It should be noted that the partial area to be treated may have a preset area range. That is to say, the mobile terminal may determine the image area corresponding to the selection operation on the image preview interface to a preset area range.

Step 303, determine the image area of the first preset area surrounding the partial area to be processed as the first partial area, the first partial area includes the target object, and the first preset area range is the same as the to-be-processed area The proportion of the processed part area on the image preview interface is directly proportional.

Here, the first preset area range can be preset by the system, or can be set by the user.

It should be noted that the proportion of the area to be processed on the image preview interface is obtained by the mobile terminal through calculation.

The mobile terminal can correspondingly set a first preset area range with a corresponding size according to different proportions of the area to be processed in the image preview interface. Here, the corresponding relationship between the proportion of the area to be processed in the image preview interface and the size of the first preset area range may be stored in the mobile terminal in the form of a list.

Step 304, according to the first partial area, generate a thumbnail of the first image obtained when taking a picture using the image preview interface.

Here, the entire target object is included in the first partial area.

Here, the thumbnail of the first image may be generated by zooming image processing. Of course, it is not limited to other image processing methods.

In the method for generating thumbnails provided in the embodiments of the present invention, the user selects the concerned target object on the image preview interface of the mobile terminal and performs target image detection and detection on the image preview interface according to the selection operation. Processing, generating the thumbnail of the first image obtained when taking pictures with the image preview interface, improving the generation rate of thumbnails, making it convenient for users to quickly find images that meet user needs from a large number of thumbnail interfaces, and increasing thumbnail generation at the same time fun and improve user experience.

Fourth embodiment

As shown in FIG. 4 , it is a flow chart of the method for generating thumbnail images in the fourth embodiment of the present invention. The implementation process of the method for generating the thumbnail will be specifically described below with reference to this figure.

Step 401, receiving a user's selection operation on a concerned target object on an image preview interface of a mobile terminal.

It should be noted here that the selection operation may include: the user's touch operation or gesture operation on the concerned target object on the image preview interface of the mobile terminal.

Here, the touch operation may also specifically include: tap touch or slide touch. Here, the mobile terminal may determine the user's selection range of the concerned target object on the image preview interface through the user's sliding touch.

Step 402, according to the selection operation, determine a first partial area on the image preview interface that includes the target object.

It should be noted that the first partial area is a partial image area on the first image, and the first partial area includes the entire target object.

It should be noted that the target object here may be a person, a scene, or an object, etc., that is, any thing that the user is interested in may be used as the target object.

Step 403: Perform image processing on the first partial area according to an image segmentation algorithm to obtain a second partial area including a second preset area range of the target object.

Here, the size of the first partial area is larger than the size of the second partial area.

It should be noted that there are many kinds of image segmentation algorithms. For example, threshold-based segmentation algorithms, edge-based segmentation algorithms, region-based segmentation algorithms, and so on.

Step 404, compressing the size of the second part of the area to generate a thumbnail of the first image obtained when taking a picture on the image preview interface; wherein, the size of the second preset area is smaller than the size of the first preset area Set the size of the area range.

Here, an image compression processing algorithm may be used to perform size compression on the second partial region.

It should be noted that the generated thumbnail of the first image has a preset size.

Preferably, as shown in FIG. 5, the step 403 in the method for generating a thumbnail in the embodiment of the present invention may further include:

Step 4031: Perform image edge detection on the first partial area to identify the target object.

What needs to be explained here is that the gray value of pixels on the edge between different regions often changes drastically. The first-order or second-order differential operator of gray scale is commonly used for edge detection.

Specifically, to perform image edge detection on the first part of the region, a serial edge segmentation technique or a parallel edge segmentation technique may be used.

Here, the serial edge segmentation technology must first determine the starting point of the edge, and then find the next edge point according to the preset similarity search criteria, and finally obtain the target object by tracking similar edge points.

In the parallel edge detection method, the processing of each point on the image does not depend on the processing results of other points. The algorithm can be processed in parallel, which greatly speeds up the search and detection speed.

It should be noted that, usually, the shape of the target object obtained by segmenting the image is generally irregular.

Step 4032: Determine the image area surrounding the second preset area range of the target object as a second partial area.

It should be noted that the shape of the second part of the area is regular, generally rectangular.

In the method for generating a thumbnail image provided by the embodiment of the present invention, the received user selects the target object concerned on the image preview interface of the mobile terminal, and the image preview interface determined for the selection operation includes the The first partial area of the target object is subjected to image segmentation processing to generate a thumbnail of the first image obtained when taking pictures with the image preview interface, so as to obtain an accurate thumbnail including the target object, and it is convenient for the user to select from the massive thumbnail interface Quickly find images that meet the needs of users, and at the same time increase the fun of thumbnail generation and improve user experience.

fifth embodiment

As shown in FIG. 6, the embodiment of the present invention also provides a mobile terminal 500, including:

The receiving module 501 is configured to receive the user's selection operation on the concerned target object on the image preview interface of the mobile terminal.

It should be noted here that the selection operation may include: the user's touch operation or gesture operation on the concerned target object on the image preview interface of the mobile terminal.

Here, the touch operation may also specifically include: tap touch or slide touch. Here, the mobile terminal may determine the user's selection range of the concerned target object on the image preview interface through the user's sliding touch.

An area determination module 502, configured to determine a first partial area on the image preview interface that includes the target object according to the selection operation.

The target object here may be a person, a scene, or an item, etc., that is to say, any thing that the user is interested in may be used as the target object.

It should be noted that the first partial area is a partial image area on the first image, and the first partial area includes the entire target object.

The thumbnail generation module 503 is configured to generate a thumbnail of the first image obtained when taking a photo with the image preview interface according to the first partial area.

It should be noted that the content displayed on the thumbnail interface includes the target object, and the size of the thumbnail meets the preset size.

Here, as shown in FIG. 7, the mobile terminal in the embodiment of the present invention may further include:

The image acquisition module 504 is configured to receive a user's photographing instruction, and obtain a first image corresponding to the image preview interface.

Here, the user's camera instruction can be generated and implemented through voice shutter or touch screen shutter.

It should be noted that, before receiving the user's photographing instruction, the mobile terminal has stored the user's selection operation on the concerned target object on the image preview interface.

Specifically, as shown in FIG. 7, the area determination module 502 in the embodiment of the present invention may specifically include:

The acquisition sub-module 5021 is configured to perform target image detection on the image preview interface according to the selection operation, and the acquisition operation corresponds to the partial area to be processed on the image preview interface, and the partial area to be processed includes all some or all of the target audience.

It should be noted that the partial area to be treated may have a preset area range. That is to say, the mobile terminal may determine the image area corresponding to the selection operation on the image preview interface to a preset area range.

The area determination sub-module 5022 determines the image area of the first preset area surrounding the partial area to be processed as the first partial area; the first partial area includes the target object, and the first preset area range is the same as The ratio of the to-be-processed partial area on the image preview interface is directly proportional.

Here, the first preset area range can be preset by the system, or can be set by the user.

It should be noted that the proportion of the area to be processed on the image preview interface is obtained by the mobile terminal through calculation.

The mobile terminal can correspondingly set a first preset area range with a corresponding size according to different proportions of the area to be processed in the image preview interface. Here, the corresponding relationship between the proportion of the area to be processed in the image preview interface and the size of the first preset area range may be stored in the mobile terminal in the form of a list.

Specifically, as shown in FIG. 7, the thumbnail generation module 503 in the embodiment of the present invention includes:

The image processing sub-module 5031 is configured to perform image processing on the first partial area according to an image segmentation algorithm to obtain a second partial area including a second preset area range of the target object.

Here, the size of the first partial area is larger than the size of the second partial area.

It should be noted that there are many kinds of image segmentation algorithms. For example, threshold-based segmentation algorithms, edge-based segmentation algorithms, region-based segmentation algorithms, and so on.

The thumbnail generation sub-module 5032 is configured to compress the size of the second part of the area, and generate a thumbnail of the first image obtained when taking a picture with the image preview interface; wherein, the size of the second preset area range smaller than the size of the first preset area range.

Here, an image compression processing algorithm may be used to perform size compression on the second partial region. It should be noted that the generated thumbnail of the first image has a preset size.

Here, as shown in FIG. 7, the image processing submodule 5031 may also specifically include:

The image detection unit 50311 is configured to perform image edge detection on the first partial area to identify the target object.

What needs to be explained here is that the gray value of pixels on the edge between different regions often changes drastically. The first-order or second-order differential operator of gray scale is commonly used for edge detection.

It should be noted that, usually, the shape of the target object obtained by segmenting the image is generally irregular.

The area determining unit 50312 is configured to determine the image area surrounding the second preset area range of the target object as a second partial area.

It should be noted that the shape of the second part of the area is regular, generally rectangular.

In the mobile terminal provided by the embodiment of the present invention, the receiving module receives the user's selection operation on the target object of interest on the image preview interface of the mobile terminal, and the thumbnail generation module includes on the image preview interface determined by the area determination module according to the selection operation. Image segmentation processing is performed on the first partial area of the target object to generate a thumbnail of the first image obtained when taking pictures with the image preview interface, so that the user can quickly find an image that meets the user's needs from the massive thumbnail interface, and at the same time It increases the fun of generating thumbnails, and also satisfies mobile terminals with low image processing speed, thereby improving user experience.

Sixth embodiment

As shown in FIG. 8 , it is a structural block diagram of the second embodiment of the terminal of the present invention. The mobile terminal 600 shown in FIG. 8 includes: at least one processor 601 , a memory 602 , at least one network interface 604 and a user interface 603 . Various components in the mobile terminal 600 are coupled together through a bus system 605 . It can be understood that the bus system 605 is used to realize connection and communication between these components. In addition to the data bus, the bus system 605 also includes a power bus, a control bus and a status signal bus. However, the various buses are labeled as bus system 605 in FIG. 8 for clarity of illustration.

Wherein, the user interface 603 may include a display, a keyboard or a pointing device (for example, a mouse, a trackball (trackball), a touch panel or a touch screen, and the like.

It can be understood that the memory 602 in the embodiment of the present invention may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories. Among them, the non-volatile memory can be read-only memory (Read-OnlyMemory, ROM), programmable read-only memory (ProgrammableROM, PROM), erasable programmable read-only memory (ErasablePROM, EPROM), electrically erasable Programming read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be random access memory (Random Access Memory, RAM), which acts as an external cache. By way of illustration and not limitation, many forms of RAM are available such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (Synchronous DRAM, SDRAM), Double data rate synchronous dynamic random access memory (DoubleDataRateSDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct memory bus random access Memory (Direct Rambus RAM, DRRAM). Memory 602 of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

In some implementations, the memory 602 stores the following elements, executable modules or data structures, or their subsets, or their extended sets: an operating system 6021 and an application program 6022 .

Among them, the operating system 6021 includes various system programs, such as framework layer, core library layer, driver layer, etc., for realizing various basic services and processing tasks based on hardware. The application program 6022 includes various application programs, such as a media player (MediaPlayer), a browser (Browser), etc., and is used to implement various application services. The program for realizing the method of the embodiment of the present invention may be included in the application program 6022 .

In the embodiment of the present invention, by calling the program or instruction stored in the memory 602, specifically the program or instruction stored in the application program 6022, the user interface 603 is used to receive the user's attention on the image preview interface of the mobile terminal. The selection operation of the target object; the processor 601 is used to determine the first partial area including the target object on the image preview interface according to the selection operation; according to the first partial area, generate Get the thumbnail of the first image.

The methods disclosed in the foregoing embodiments of the present invention may be applied to the processor 601 or implemented by the processor 601 . The processor 601 may be an integrated circuit chip and has signal processing capability. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 601 or instructions in the form of software. The above-mentioned processor 601 may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic devices, discrete gates or Transistor logic devices, discrete hardware components. Various methods, steps and logic block diagrams disclosed in the embodiments of the present invention may be implemented or executed. A general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like. The steps of the methods disclosed in the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register. The storage medium is located in the memory 602, and the processor 601 reads the information in the memory 602, and completes the steps of the above method in combination with its hardware.

It should be understood that the embodiments described herein may be implemented by hardware, software, firmware, middleware, microcode or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more application-specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing device (DSPDevice, DSPD), programmable logic device (ProgrammableLogicDevice, PLD ), Field-Programmable Gate Array (Field-Programmable GateArray, FPGA), general-purpose processor, controller, microcontroller, microprocessor, other electronic units for performing the functions described in this application, or a combination thereof.

For a software implementation, the techniques described herein can be implemented through modules (eg, procedures, functions, and so on) that perform the functions described herein. Software codes can be stored in memory and executed by a processor. Memory can be implemented within the processor or external to the processor.

Optionally, the user interface 603 is also configured to: after receiving the user's selection operation on the concerned target object on the image preview interface of the mobile terminal, receive the user's photographing instruction, and obtain the first image corresponding to the image preview interface. image.

It should be noted that the first image is stored in the memory 602 , and the processor 601 can call the first image in the memory 602 .

Optionally, the processor 601 is further configured to: perform target image detection on the image preview interface according to the selection operation, and obtain a part area to be processed corresponding to the selection operation on the image preview interface, and the to-be-processed part area on the image preview interface is acquired. Processing a partial area including part or all of the target object; determining an image area within a first preset area surrounding the to-be-processed partial area as a first partial area, the first partial area including the target object, the The first preset area range is proportional to the proportion of the to-be-processed partial area on the image preview interface.

Optionally, the processor 601 is further configured to: perform image processing on the first partial area according to an image segmentation algorithm to obtain a second partial area including a second preset area range of the target object; Part of the area is compressed in size to generate a thumbnail of the first image obtained when taking a picture on the image preview interface; wherein, the size of the second preset area range is smaller than the size of the first preset area range.

Optionally, the processor 601 is further configured to: perform image edge detection on the first partial area to identify the target object; determine the image area surrounding the second preset area range of the target object as The second part of the area.

The mobile terminal of the present invention may be, for example, a mobile phone, a tablet computer, a personal digital assistant (Personal Digital Assistant, PDA), or a vehicle-mounted computer.

The mobile terminal 600 can implement various processes implemented by the mobile terminal in the foregoing embodiments, and to avoid repetition, details are not repeated here.

The mobile terminal 600 of the embodiment of the present invention is used to receive the user's selection operation on the target object concerned on the image preview interface of the mobile terminal through the user interface 603; the processor 601 is used to determine the image preview according to the selection operation The interface includes the first partial area of the target object; according to the first partial area, a thumbnail image of the first image obtained when taking pictures with the image preview interface is generated, which is convenient for users to quickly find satisfactory objects from the massive thumbnail interface. Images that users need, while increasing the fun of thumbnail generation and improving user experience.

Seventh embodiment

As shown in FIG. 9 , it is a structural block diagram of the third embodiment of the communication terminal of the present invention. In the embodiment of the present invention, the mobile terminal 700 in FIG. 9 includes a radio frequency (Radio Frequency, RF) circuit 710, a memory 720, an input unit 730, a display unit 740, a processor 760, an audio circuit 770, a WiFi (Wireless Fidelity) module 780 and Power 790.

Wherein, the input unit 730 can be used for receiving number or character information input by the user, and generating signal input related to the user setting and function control of the mobile terminal 700 . Specifically, in the embodiment of the present invention, the input unit 730 may include a touch panel 731 . The touch panel 731, also referred to as a touch screen, can collect user's touch operations on or near it (such as the user's operation on the touch panel 731 using any suitable object or accessory such as a finger, a stylus), and The specified program drives the corresponding connected device. Optionally, the touch panel 731 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the to the processor 760, and can receive and execute commands sent by the processor 760. In addition, the touch panel 731 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 731, the input unit 730 may also include other input devices 732, which may include but not limited to physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, etc. one or more of.

Wherein, the display unit 740 can be used to display information input by the user or information provided to the user and various menu interfaces of the mobile terminal 700 . The display unit 740 may include a display panel 741. Optionally, the display panel 741 may be configured in the form of an LCD or an organic light-emitting diode (Organic Light-Emitting Diode, OLED).

It should be noted that the touch panel 731 can cover the display panel 741 to form a touch display screen. When the touch display screen detects a touch operation on or near it, it is sent to the processor 760 to determine the type of the touch event, and then the processor The 760 provides corresponding visual output on the touch display screen according to the type of the touch event.

The touch display screen includes an application program interface display area and a common control display area. The arrangement of the display area of the application program interface and the display area of the commonly used controls is not limited, and may be an arrangement in which the two display areas can be distinguished, such as vertical arrangement, left-right arrangement, and the like. The application program interface display area can be used to display the interface of the application program. Each interface may include at least one interface element such as an icon of an application program and/or a widget desktop control. The application program interface display area can also be an empty interface without any content. The commonly used control display area is used to display controls with a high usage rate, for example, application icons such as setting buttons, interface numbers, scroll bars, and phonebook icons.

Wherein the processor 760 is the control center of the mobile terminal 700, utilizes various interfaces and lines to connect various parts of the whole mobile phone, by running or executing the software programs and/or modules stored in the first memory 721, and calling the software programs and/or modules stored in the second memory 721. The data in the memory 722 executes various functions of the mobile terminal 700 and processes data, so as to monitor the mobile terminal 700 as a whole. Optionally, the processor 760 may include one or more processing units.

In the embodiment of the present invention, the input unit 730 is used to receive the user input on the image preview interface of the mobile terminal by calling the software programs and/or modules stored in the first memory 721 and/or the data in the second memory 722. A selection operation on the target object concerned; the processor 760 is configured to determine a first partial area on the image preview interface that includes the target object according to the selection operation; The thumbnail of the first image obtained when the interface takes a picture.

Optionally, the input unit 730 is also configured to: after receiving the user's selection operation on the concerned target object on the image preview interface of the mobile terminal, receive the user's photographing instruction, and obtain the first image corresponding to the image preview interface. image.

It should be noted that the first image is stored in the second memory 722 , and the processor 760 can recall the first image in the second memory 722 .

Optionally, the processor 760 is further configured to: perform target image detection on the image preview interface according to the selection operation, and acquire the part area to be processed corresponding to the selection operation on the image preview interface, the to-be-processed area Processing a partial area including part or all of the target object; determining an image area within a first preset area surrounding the to-be-processed partial area as a first partial area, the first partial area including the target object, the The first preset area range is proportional to the proportion of the to-be-processed partial area on the image preview interface.

Optionally, the processor 760 may also be specifically configured to: perform image processing on the first partial area according to an image segmentation algorithm to obtain a second partial area including a second preset area range of the target object; The size of the second part of the area is compressed to generate a thumbnail of the first image obtained when taking pictures on the image preview interface; wherein, the size of the second preset area range is smaller than the size of the first preset area range.

Optionally, the processor 760 is further configured to: perform image edge detection on the first partial area to identify the target object; determine the image area surrounding the second preset area range of the target object as The second part of the area.

It can be seen that the mobile terminal 700 provided by the embodiment of the present invention receives the user's selection operation on the target object of interest on the image preview interface of the mobile terminal through the input unit 730; the processor 760 is used to determine the image according to the selection operation. The preview interface includes the first partial area of the target object; according to the first partial area, a thumbnail of the first image obtained when taking pictures with the image preview interface is generated, which is convenient for users to quickly find the target object from a large number of thumbnail interfaces. Images that meet user needs, while increasing the fun of thumbnail generation, improve user experience.

The mobile terminal of the present invention may be, for example, a mobile phone, a tablet computer, a personal digital assistant (Personal Digital Assistant, PDA), or a vehicle-mounted computer. The mobile terminal 700 can implement various processes implemented by the mobile terminal in the foregoing embodiments, and to avoid repetition, details are not repeated here.

Those skilled in the art can appreciate that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

Those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the above-described system, device and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In the embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.

If the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in various embodiments of the present invention. The aforementioned storage medium includes: various media capable of storing program codes such as U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be realized by controlling related hardware through a computer program, and the program can be stored in a computer-readable storage medium, the program During execution, it may include the processes of the embodiments of the above-mentioned methods. Wherein, the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM) and the like.

The above description is a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (10)

1. A method for generating a thumbnail image, comprising: receiving a user's selection operation on the concerned target object on the image preview interface of the mobile terminal; According to the selection operation, determine a first partial area on the image preview interface that includes the target object; According to the first partial area, a thumbnail of the first image obtained when taking a picture with the image preview interface is generated. 2. The generation method of thumbnail according to claim 1, it is characterized in that, after receiving the user on the image preview interface of mobile terminal to the step of the selection operation of concerned target object, described method also comprises: A photographing instruction from the user is received to obtain a first image corresponding to the image preview interface. 3. The method for generating a thumbnail image according to claim 1, wherein, according to the selection operation, the step of determining the first partial region comprising the target object on the image preview interface comprises: Perform target image detection on the image preview interface according to the selection operation, and obtain the partial area to be processed corresponding to the selection operation on the image preview interface, and the partial area to be processed includes part or all of the target object ; Determining an image area of a first preset area surrounding the partial area to be processed as a first partial area, the first partial area includes the target object, and the first preset area range is the same as the partial area to be processed The proportion on the image preview interface is proportional. 4. The generation method of thumbnail according to claim 3, it is characterized in that, according to the first partial area, the step of generating the thumbnail of the first image obtained when taking pictures with the image preview interface comprises: performing image processing on the first partial area according to an image segmentation algorithm to obtain a second partial area including a second preset area range of the target object; performing size compression on the second partial area, and generating a thumbnail of the first image obtained when taking pictures with the image preview interface; Wherein, the size of the second preset area range is smaller than the size of the first preset area range. 5. The method for generating a thumbnail according to claim 4, wherein image processing is performed on the first part of the region according to a preset image segmentation algorithm to obtain a second preset region including the target object. The steps in the second part of the area include: Perform image edge detection on the first partial area to identify the target object; Determining the image area surrounding the second preset area range of the target object as a second partial area. 6. A mobile terminal, characterized in that, comprising: The receiving module is used to receive the user's selection operation on the concerned target object on the image preview interface of the mobile terminal; An area determination module, configured to determine a first partial area on the image preview interface that includes the target object according to the selection operation; The thumbnail generation module is configured to generate a thumbnail of the first image obtained when taking a photo with the image preview interface according to the first partial area. 7. The mobile terminal according to claim 6, wherein the mobile terminal further comprises: The image acquisition module is configured to receive a user's photographing instruction to obtain a first image corresponding to the image preview interface. 8. The mobile terminal according to claim 6, wherein the area determination module comprises: The acquisition sub-module is used to perform target image detection on the image preview interface according to the selection operation, and the acquisition operation corresponds to the to-be-processed partial area on the image preview interface, and the to-be-processed partial area includes the part or all of the target audience; An area determining submodule, configured to determine an image area of a first preset area surrounding the partial area to be processed as a first partial area, the first partial area includes the target object, and the first preset area range It is proportional to the proportion of the area to be processed on the image preview interface. 9. The mobile terminal according to claim 6, wherein the thumbnail generating module comprises: An image processing sub-module, configured to perform image processing on the first partial area according to an image segmentation algorithm to obtain a second partial area including a second preset area range of the target object; A thumbnail generating submodule, configured to compress the size of the second part of the region, and generate a thumbnail of the first image obtained when taking a picture with the image preview interface; Wherein, the size of the second preset area range is smaller than the size of the first preset area range. 10. The mobile terminal according to claim 9, wherein the image processing submodule comprises: An image detection unit, configured to perform image edge detection on the first partial area to identify the target object; An area determining unit, configured to determine an image area surrounding the second preset area range of the target object as a second partial area.