CN109379534A - Handle method, apparatus, terminal and the storage medium of image - Google Patents
Handle method, apparatus, terminal and the storage medium of image Download PDFInfo
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- CN109379534A CN109379534A CN201811347813.2A CN201811347813A CN109379534A CN 109379534 A CN109379534 A CN 109379534A CN 201811347813 A CN201811347813 A CN 201811347813A CN 109379534 A CN109379534 A CN 109379534A
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- image
- mobile terminal
- numerical value
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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Abstract
The embodiment of the present application discloses a kind of method for handling image, device, terminal and storage medium, belong to field of computer technology, the described method includes: the method for processing image provided in this embodiment, mobile terminal can be enabled to pass through the target camera and the first photosensory assembly being arranged in same target board, in target camera collection image, the first light intensity is obtained by the first photosensory assembly, when the first light intensity is greater than Intensity threshold, determine that target camera is in backlight state, image recognition then is carried out to the image of acquisition, obtain the first image recognition result, obtain the corresponding exposure compensating numerical value of the first image recognition result, and image is rendered again according to exposure compensating numerical value.As it can be seen that the embodiment of the present application can automatically confirm that backlight scene, and the exposure compensating adapted to by software processing flow image, the effect of terminal Automatic Optimal backlight image is improved.
Description
Technical field
The invention relates to field of computer technology, in particular to a kind of method, apparatus for handling image, terminal and
Storage medium.
Background technique
With the development of miniature webcam technology, the physical aspect of camera is able to satisfy insertion in the terminal, to move
Dynamic terminal provides camera function.
In some applications, mobile terminal shoots image by camera or records a video.When user confirms camera
When in backlight state, user can be with the flash lamp in manually opened mobile terminal, for the object light filling of shooting.
Summary of the invention
The embodiment of the present application provides a kind of method, apparatus, terminal and storage medium for handling image.The technical solution
It is as follows:
According to the one side content of the application, a kind of method for handling image is provided, the method is applied mobile whole
In end, target camera and the first photosensory assembly are provided in the target board of the mobile terminal, before the target board is
Panel or rear panel, which comprises
When the mobile terminal is by the target camera collection image, the mobile terminal is felt by described first
Optical assembly obtains the first light intensity, and first light intensity is used to indicate the intensity for irradiating the light of the target camera；
When first light intensity is greater than Intensity threshold, determine that the target camera is in backlight state；
The mobile terminal carries out image recognition to described image, obtains the first image recognition result；
The mobile terminal handles described image according to the corresponding exposure compensating numerical value of the first image recognition result.
According to the another aspect content of the application, a kind of device for handling image is provided, the method is applied in movement
In terminal, target camera and the first photosensory assembly are provided in the target board of the mobile terminal, the target board is
Front panel or rear panel, described device include:
Light intensity acquisition module is used for when the mobile terminal is by the target camera collection image, by described
First photosensory assembly obtains the first light intensity, and first light intensity is used to indicate the intensity for irradiating the light of the target camera；
Backlight determining module, for determining that the target camera is in when first light intensity is greater than Intensity threshold
Backlight state；
Picture recognition module obtains the first image recognition result for carrying out image recognition to described image；
Image processing module, for according to the corresponding exposure compensating numerical value of the first image recognition result, described in processing
Image.
According to the another aspect content of the application, a kind of terminal is provided, the terminal includes processor and memory, institute
It states and is stored at least one instruction in memory, described instruction is loaded by the processor and executed to realize that the application such as is implemented
The method of the processing image of offer.
According to the another aspect content of the application, a kind of computer readable storage medium is provided, in the storage medium
It is stored at least one instruction, described instruction is loaded by processor and executed to realize that the application such as implements the processing image provided
Method.
Technical solution bring beneficial effect provided by the embodiments of the present application may include:
The method of processing image provided in this embodiment, can enable mobile terminal by being arranged in same target board
Target camera and the first photosensory assembly obtain the first light intensity by the first photosensory assembly in target camera collection image,
It when the first light intensity is greater than Intensity threshold, determines that target camera is in backlight state, image then is carried out to the image of acquisition
Identification obtains the first image recognition result, obtains the corresponding exposure compensating numerical value of the first image recognition result, and mend according to exposure
It repays numerical value and image is rendered again.As it can be seen that the embodiment of the present application can automatically confirm that backlight scene, and handled by software
The exposure compensating that process adapts to image improves the effect of terminal Automatic Optimal backlight image.
Detailed description of the invention
It, below will be to institute in the embodiment of the present application description in order to more clearly introduce the technical solution in the embodiment of the present application
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the mobile terminal that one exemplary embodiment of the application provides；
Fig. 2 is the flow chart of the method for the processing image that one exemplary embodiment of the application provides；
Fig. 3 is the method flow diagram for the processing image that another exemplary embodiment of the application provides；
Fig. 4 is a kind of flow chart of the method for the processing image provided based on Fig. 2 and Fig. 3 embodiment；
Fig. 5 is a kind of flow chart of the method for processing image that embodiment provides based on shown in Fig. 4；
Fig. 6 is the flow chart of the image method of another processing provided by the present application；
Fig. 7 is the structural block diagram of the device for the processing image that one exemplary embodiment of the application provides.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
In the following description when referring to the accompanying drawings, unless otherwise indicated, the same numbers in different attached drawings indicate same or similar
Element.Embodiment described in following exemplary embodiment does not represent all embodiment party consistent with the application
Formula.On the contrary, they are only the device and side consistent with some aspects as detailed in the attached claim, the application
The example of method.
In the description of the present application, it is to be understood that term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In the description of the present application, it should be noted that unless otherwise specific regulation
And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected.For the ordinary skill in the art, the tool of above-mentioned term in this application can be understood with concrete condition
Body meaning.In addition, unless otherwise indicated, " multiple " refer to two or more in the description of the present application."and/or" is retouched
The incidence relation of affiliated partner is stated, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A, together
When there are A and B, these three situations of individualism B.Character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
In the description of the present application, it is to be understood that term " setting ", " set-up mode " simultaneously refer not to user, operation
The movement that person or robot execute.It is needed as introducing, term " setting " instruction installation or position relation.For example, A is set to
In B, meaning is equal to A and is located at B.The mode or position relation of term " set-up mode " instruction installation.For example, A the present embodiment
The positional relationship between each component in mobile terminal is explained using foregoing description.The set-up mode of A, meaning are A mobile whole
It holds the mounting means in perhaps certain component and refers not to the movement that A is arranged in mobile terminal or certain component.
For scheme shown in the embodiment of the present application it can be readily appreciated that below to several nouns occurred in the embodiment of the present application into
Row is introduced.
Target board: refer to the front panel or rear panel in mobile terminal.In one possible implementation, front panel
Including screen, rear panel is the one side of front panel opposite side.
Optionally, when target board is front panel, target camera is front camera, and the first photosensory assembly is preposition
Photosensory assembly, target board is rear panel to side panel.In this scenario, a kind of set-up mode of component is preposition camera shooting
Head and preposition photosensory assembly can be separately positioned in two through-holes of front panel.The set-up mode of another component is, preposition
Camera and the integration of preposition photosensory assembly are arranged in a through-hole of plate in front.When front camera and preposition photosensory assembly are set
When setting in a through-hole of plate in front, can a through-hole be only arranged in plate in front in mobile terminal, which can also set
It is equipped at least one of fingerprint sensor, thermal sensor and pressure sensor.
Optionally, when target board is rear panel, target camera is rear camera, and the first photosensory assembly is postposition
Photosensory assembly, target board is front panel to side panel.In this scenario, a kind of set-up mode of component is postposition camera shooting
Head and postposition photosensory assembly can be separately positioned in two through-holes of front panel.Optionally, when rear camera includes at least
When two cameras, target camera is a camera in rear camera.
First light intensity: it is used to indicate the intensity of the light of irradiation target camera.The unit of first light intensity can be bank
(English: candela writes a Chinese character in simplified form De La: cd).Optionally, the unit of the first light intensity can also be indicated with candle light or branch light etc., this
Embodiment is not construed as limiting this.
Second light intensity: it is used to indicate the intensity of the light to side panel of irradiation target board.The unit of second light intensity
Can be candela, (English: candela writes a Chinese character in simplified form: cd).Optionally, the unit of the second light intensity can also use candle light or branch light etc.
It indicates, the present embodiment is not construed as limiting this.
Intensity threshold: the light intensity threshold value pre-saved in mobile terminal or server.In a kind of possible mode
In, which is a fixed constant value.Mobile terminal is when needing using the Intensity threshold, from local configuration text
In part, alternatively, reading the Intensity threshold from the server in cloud.
In alternatively possible mode, which is the numerical value changed with environmental information.One kind can
In the mode of energy, which is at least one information in temporal information, geographical location information and Weather information.Mobile terminal
Or server obtains current environmental information, determines corresponding Intensity threshold further according to current environmental information.In a kind of light
In the method for determination of strong threshold value, mobile terminal or server can determine that model determines Intensity threshold by Intensity threshold, should
Intensity threshold determines that model is a machine learning model, trains in advance by being labeled with the environmental information of Intensity threshold.It moves
Environmental information is input to after the Intensity threshold determines model by dynamic terminal or server, which determines that model will export
The corresponding Intensity threshold of the environmental information.Mobile terminal will acquire the Intensity threshold.
Mobile terminal: mobile terminal mentioned by the application refers to can be portable by user, has Image Acquisition
The electric terminal of function.As a kind of possible implementation, which be can be including mobile phone, tablet computer, intelligence
The equipment such as glasses, digital camera, MP4 playback terminal and MP5 playback terminal.It should be noted that this place mobile terminal is enumerated
It is to schematically illustrate, the specific implementation function for the mobile terminal that do not covered to the application, which is formed, to be limited.
In a kind of constituted mode of mobile terminal provided by the present application, mobile terminal includes shell, motherboard and photosensitive
Component.In this composition mode, mobile terminal acquires the light intensity of mobile terminal by photosensory assembly.In a kind of optional realization side
In formula, photosensory assembly includes the first photosensory assembly and the second photosensory assembly.As a kind of introduction about the construction of mobile terminal, refer to
Fig. 1.
It referring to Figure 1, is the structural schematic diagram for the mobile terminal that one exemplary embodiment of the application provides.In Fig. 1
In, mobile terminal 100 includes shell, motherboard, photosensory assembly and front panel.
Mobile terminal 100 surrounds a cavity by shell and front panel, which is used to dispose the inside of mobile terminal
Electronic component.In a kind of mode realized, motherboard is located in the cavity that the shell and front panel surround, and welds on motherboard
Connect, paste or be plugged with above-mentioned electronic component.In various electronic component, including processor 121 and memory 122, storage
At least one instruction is stored in device 122, which is loaded by processor 121 and executed to realize such as each processing figure of the application
The method of processing image provided by the embodiment of the method for picture.
Processor 121 may include one or more processing core.Processor 121 utilizes various interfaces and connection
Various pieces in entire motherboard 100, by run or execute the instruction being stored in memory 122, program, code set or
Instruction set, and the data being stored in memory 122 are called, execute the various functions and processing data of motherboard 100.It is optional
, processor 121 can use Digital Signal Processing (English: Digital Signal Processing writes a Chinese character in simplified form: DSP), show
Field programmable gate array (English: Field-Programmable Gate Array writes a Chinese character in simplified form: FPGA), programmable logic array
At least one of (English: Programmable Logic Array writes a Chinese character in simplified form: PLA) example, in hardware is realized.Processor 121
Can integrating central processor (English: Central Processing Unit writes a Chinese character in simplified form: CPU), image processor (English:
Graphics Processing Unit, writes a Chinese character in simplified form: GPU) and one or more of modem etc. combination.Wherein, CPU
Main processing operation system, user interface and application program etc.；GPU is used to be responsible for the rendering of content to be shown needed for display screen
And drafting；Modem is for handling wireless communication.It is understood that above-mentioned modem can not also integrate everywhere
It manages in device 121, is realized separately through chip piece.
Memory 122 may include random access memory (English: Random Access Memory writes a Chinese character in simplified form: RAM), can also
To include read-only memory (Read-Only Memory).Optionally, which includes computer-readable Jie of non-transient
Matter (non-transitory computer-readable storage medium).Memory 122 can be used for store instruction,
Program, code, code set or instruction set.Memory 122 may include storing program area and storage data area, wherein storage program
Area can store the instruction for realizing operating system, the instruction at least one function (such as touch function, sound play function
Energy, image player function etc.), for realizing instruction of following each embodiments of the method etc.；Storage data area can store following each
The data etc. being related in a embodiment of the method.
Optionally, in one possible implementation, battery is provided in the cavity that shell and front panel surround.The electricity
Pond and motherboard are electrically connected, and provide electric energy for the work of motherboard.
Optionally, in alternatively possible implementation, when mobile terminal has communication function, the side of shell 110
Frame includes the card slot of a plug-in type.The card slot is for disposing SIM (English: Subscriber Identification
Module, Chinese: user identity sets card) and/or storage card.The side frame of the shell can be top side frame, bottom end side
At least one of frame, left border or Right Border side frame.
Optionally, in one possible implementation, in the cavity that shell and front panel surround, in addition to motherboard and
It further include slave plate except battery.As a kind of possible electronic component arrangement mode, in the chamber that shell and front panel surround
In body.Battery is in the space between motherboard and slave plate.Motherboard may be used also in some mobile terminals and technological document
Referred to as mainboard or mother matrix, slave plate are also referred to as subplate.The arrangement of motherboard, battery and slave plate in the implementation
Mode can be referred to as three-stage.
In the mobile terminal of three stage structure, it can choose a circuit board in motherboard and slave plate and taken the photograph for integrated
It, can also two circuit boards all integrated camera mould groups as head mould group.Optionally, camera module by winding displacement and motherboard and/
Or slave plate connection.It include at least one camera in camera module.Camera module includes camera, after which is
Camera is set, in rear panel.
In one possible implementation, the camera module in motherboard, including front camera and postposition
Camera, the camera module in slave plate press the fingerprint image on the front panel of mobile terminal for acquiring user
Picture executes the relevant operation of light sensation fingerprint recognition.
Optionally, in alternatively possible implementation, in the cavity that shell and front panel surround, including motherboard
With two components of battery.In this implementation, the electronic component and mould group of mobile terminal are integrated on motherboard.
It should be noted that front panel is the front panel of mobile terminal, it include screen assembly in the front panel.Optionally,
The front panel can also include fingerprint collecting mould group.
It include through-hole in the rear panel of shell in the mobile terminal shown in the application.Through-hole is used for the light in environment
Line is transmitted in photosensory assembly.Due to being additionally provided with rear camera mould group in rear panel.Therefore, it is adopted in the application by through-hole
The photosensory assembly for collecting the light in environment, can relatively accurately determine the light of the light in the environment around rear camera
By force.It should be noted that through-hole is a concept of space, the boundary below on plate is a closed figure.Through-hole contains
Justice is the cylinder space that through-hole is surrounded in rear panel.
In the embodiment of the present application, in a kind of possible implementation, photosensory assembly is located in through-hole.It is alternatively possible
Implementation in, photosensory assembly is located in the cavity that shell and motherboard surround.It is photosensitive in alternatively possible implementation
The part-structure of component is located in through-hole, and the structure of other part is located in the cavity that shell and motherboard surround.
For the set-up mode of photosensory assembly, when photosensory assembly is located in the cavity that shell and motherboard surround, this Shen
Please embodiment the set-up mode of following photosensory assembly is provided.
In a kind of set-up mode of photosensory assembly, photosensory assembly is located in face region, which is that through-hole exists
The region where orthographic projection in cavity.It, can also be with it should be noted that the face region is either region on motherboard
It is the region on slave plate.
It include light pipe in mobile terminal, which is that one kind can in the set-up mode of another photosensory assembly
Pass the crystal of light.The light pipe is arranged in the through-hole in the rear panel of shell, one end and the photosensory assembly phase of the light pipe
Even, which is located in the cavity that shell and motherboard surround.Mobile terminal is by the light pipe, by the light in environment
Conduction is into photosensory assembly.It should be noted that including at least light sensor (Light-Sensor) in photosensory assembly.One
In the possible implementation of kind, which is also referred to as brightness impression device.
As a kind of implementation, light sensor includes light projector, light-receiving device and receives inductor, and light projector connects first
Receive by light pipe conduction Lai light, and light is focused by the lens in light projector, is transmitted to the lens of light-receiving device
In, light-receiving device, to receiving on inductor, will enable light be changed on receiving inductor by the light conduction of light-receiving device lens
Corresponding electric signal.It should be noted that the light of different light intensity, the electric signal corresponding to unlike signal intensity.As it can be seen that light
Sensor is capable of detecting when the light intensity of ambient light.
It in one possible implementation, include flash lamp in the rear panel of shell.The flash lamp in postposition for taking the photograph
Light filling when as head mould group acquisition image, alternatively, providing the effect of illumination for mobile terminal.
Referring to FIG. 2, it is the flow chart of the method for the processing image that one exemplary embodiment of the application provides.At this
The method for managing image can be using in mobile terminal shown in Fig. 1.In Fig. 2, the method for handling image includes:
Step 210, when mobile terminal passes through target camera collection image, mobile terminal is obtained by the first photosensory assembly
The first light intensity is taken, the first light intensity is used to indicate the intensity of the light of irradiation target camera.
In the embodiment of the present application, mobile terminal pass through target camera collection image when, execute the present embodiment provides
By the first photosensory assembly obtain the first light intensity operation.
In a kind of scene of Image Acquisition, when mobile terminal receives the instruction for opening target camera, move
Dynamic terminal is by target camera collection image, by acquired image real-time display in the user interface for taking pictures application.It is real
When be shown in image in the user interface for application of taking pictures, can be preview image, convenient for user according to preview image determine acquire
The opportunity of image.In this scenario, mobile terminal confirms that itself is in the scene by target camera collection image.
In the scene of another Image Acquisition, when the application of take pictures application or the starting of other invocation target cameras is opened
After dynamic, when target camera is in continuous acquisition and stores the state of image, namely when target camera is in camera shooting state
When, mobile terminal confirms that itself is in the scene by target camera collection image.
Mobile terminal obtains the first light intensity by the first photosensory assembly.Since the first photosensory assembly and target camera are arranged
In the same target board, therefore, the first light intensity is able to reflect the intensity for being irradiated to the light of target camera.One kind can
In set-up mode in target board, the first photosensory assembly is arranged with target the first photosensory assembly and target camera of energy
Camera is the center of circle, can be anti-with the first light intensity for guaranteeing that the first photosensory assembly detects in the range of pre-determined distance is radius
Shine upon the intensity for being mapped to the light of target camera.
Step 220, when the first light intensity is greater than Intensity threshold, determine that target camera is in backlight state.
In the present embodiment, when the first light intensity is greater than Intensity threshold, mobile terminal determines that target camera is in backlight
State.
In a kind of possible mode, mobile terminal, when the first light intensity is greater than Intensity threshold, determines mesh by processor
Mark camera is in backlight state.
In a kind of possible mode, mobile terminal, when the first light intensity is greater than Intensity threshold, is determined by special chip
Target camera is in backlight state.The special chip can be the chip integrated with the first photosensory assembly.
Step 230, mobile terminal carries out image recognition to image, obtains the first image recognition result.
In the embodiment of the present application, mobile terminal carries out image recognition to acquired image.In a kind of possible scene
In, mobile terminal can carry out image recognition to acquired image, determine the scenery that whether there is preset kind in the image.
The scenery of preset kind can be the type specified number, the type specified number.Both matching for terminal can be stored in advance in
It sets in file, can also be provided by the server in cloud.
Acquisition for mobile terminal to the first image recognition result can serve to indicate that in the image with the presence or absence of preset kind
Scenery.
Step 240, mobile terminal handles image according to the corresponding exposure compensating numerical value of the first image recognition result.
In the embodiment of the present application, it can store the corresponding exposure compensating number of the first image recognition result in mobile terminal
Value.When mobile terminal has determined the first image recognition result, both corresponding exposure compensating number can be found according to mapping relations
Value, the image of processing mobile terminal acquisition.In one possible implementation, the first image recognition result and corresponding exposure
A kind of possible implementation for compensating numerical value is referred to the numerical value of the offer of table one.
Table one
| First image recognition result | Face | Cat | Flowers |
| Exposure compensating numerical value | 1.5EV | 0.5EV | 2EV |
In Table 1, mobile terminal can obtain corresponding exposure compensating numerical value, and right according to the first image recognition result
Mobile terminal acquired image is handled.It should be noted that mobile terminal will be above-mentioned according to the rendering of exposure compensating numerical value
Image, to improve the image quality of the image.
In a kind of possible mode, processed image is a frame preview image.
In alternatively possible mode, processed image is the piece image of shooting.
In alternatively possible mode, processed image is the frame image in the video recorded.
In conclusion the method for processing image provided in this embodiment, can enable mobile terminal by being arranged in same mesh
Target camera and the first photosensory assembly in mark panel are obtained in target camera collection image by the first photosensory assembly
The first light intensity is taken, when the first light intensity is greater than Intensity threshold, determines that target camera is in backlight state, then to the figure of acquisition
As progress image recognition, the first image recognition result is obtained, obtains the corresponding exposure compensating numerical value of the first image recognition result, and
Image is rendered again according to exposure compensating numerical value.As it can be seen that the embodiment of the present application can automatically confirm that backlight scene, and lead to
The exposure compensating that software processing flow adapts to image is crossed, the effect of terminal Automatic Optimal backlight image is improved.
Based on scheme disclosed in upper one embodiment, terminal can also judge that mobile terminal is current by another way
Whether backlight state is in, details please refer to following examples.
Fig. 3 is referred to, is the method flow diagram for the processing image that another exemplary embodiment of the application provides.At this
The method of reason image can be applied in above-mentioned terminal shown in FIG. 1.In Fig. 3, the method for the processing image includes:
Step 310, when mobile terminal passes through target camera collection image, mobile terminal is obtained by the first photosensory assembly
Take the first light intensity.
The implementation procedure of step 310 and the implementation procedure of step 210 are identical, and details are not described herein again.
Step 320, mobile terminal obtains the second light intensity by the second photosensory assembly.
In the mobile terminal for executing the operation, need mobile terminal in target board to the second sense of setting in side panel
Optical assembly.Second photosensory assembly can equally acquire light intensity, which is the second light intensity, be used to indicate pair of irradiation target board
The intensity of the light of side panel.
Step 330, when the difference of the first light intensity and the second light intensity is greater than targets threshold, determine that target camera is in inverse
Light state.
In the embodiment of the present application, mobile terminal will be determined and be moved when first the second light intensity of beam intensity ratio is greater than targets threshold
The target camera of dynamic terminal acquisition is in backlight state.That is, the light intensity of the light according to homed on its target camera, than irradiation
Numerical value to the light intensity of the light of target board opposite side is big, and when difference is greater than targets threshold, the application is by the mesh of this scene
Mark camera is determined to be in backlight state.
Step 340, mobile terminal carries out image recognition to image, obtains the first image recognition result.
The implementation procedure of step 340 and the implementation procedure of step 230 are identical, and details are not described herein again.
Step 350, mobile terminal handles image according to the corresponding exposure compensating numerical value of the first image recognition result.
The implementation procedure of step 350 and the implementation procedure of step 240 are identical, and details are not described herein again.
In conclusion the present embodiment can be photosensitive group by the target camera being arranged in same target board and first
Part obtains the first light intensity by the first photosensory assembly, by being arranged in target board opposite side in target camera collection image
The second photosensory assembly obtain the second light intensity, when the first light intensity in the second light intensity difference be greater than targets threshold when, determine target
Camera is in backlight state, then carries out image recognition to the image of acquisition, obtains the first image recognition result, obtains first
The corresponding exposure compensating numerical value of image recognition result, and image is rendered again according to exposure compensating numerical value.As it can be seen that this Shen
The embodiment that please be provided can be better than the natural environment light indicated by the second light intensity in the first light intensity that the first photosensory assembly obtains
Qiang Shi, confirmation target camera are in backlight state, and this improves confirmation target cameras to be in the accurate of backlight state
Property, improve the effect of mobile terminal optimization image.
Method shown in based on the above embodiment, the embodiment of the present application also provide a kind of method for handling image, Neng Gougen
According to face whether is contained in specific first image recognition result, the mode of corresponding processing image is selected to handle image.Specifically
Please refer to following examples.
Referring to FIG. 4, it is a kind of flow chart of the method for the processing image provided based on Fig. 2 and Fig. 3 embodiment.At this
The method of reason image can be applied in above-mentioned terminal shown in FIG. 1.In Fig. 4, the method for the processing image includes:
Step 410, when mobile terminal passes through target camera collection image, mobile terminal is obtained by the first photosensory assembly
Take the first light intensity.
The implementation procedure of step 410 and the implementation procedure of step 210 are identical, and details are not described herein again.
When being performed in mobile terminal completion step 410, mobile terminal can execute step 421a, can also execute step
422a and step 422b.Wherein, after the completion of step 421a or step 422b is executed, terminal will execute step 430.
Step 421a, when the first light intensity is greater than Intensity threshold, mobile terminal determines that target camera is in backlight state.
The implementation procedure of step 421a and the implementation procedure of step 220 are identical, and details are not described herein again.
Step 422a, mobile terminal obtain the second light intensity by the second photosensory assembly.
The implementation procedure of step 422a and the implementation procedure of step 320 are identical, and details are not described herein again.
Step 422b determines that target camera is in when the difference of the first light intensity and the second light intensity is greater than targets threshold
Backlight state.
The implementation procedure of step 422b and the implementation procedure of step 330 are identical, and details are not described herein again.
Step 430, mobile terminal carries out image recognition to image, obtains the first image recognition result.
The implementation procedure of step 430 and the implementation procedure of step 230 are identical, and details are not described herein again.
Step 441a, when it includes face that the first image recognition result, which is in image, mobile terminal will acquire portrait exposure
Numerical value is compensated, portrait exposure compensating numerical value is preset numerical value in mobile terminal.
In this application, whether mobile terminal can include that face executes corresponding operation according in image.It is held in one kind
In line mode, when including face in the first image recognition result instruction image, mobile terminal will determine portrait area according to face
Domain.
It should be noted that portrait area refers to the minimum effective coverage comprising face, this is most in a kind of possible mode
The size of small effective coverage has the image recognition process of mobile terminal independently to determine.
In alternatively possible mode, portrait area refers to the minimum effective coverage of the corresponding human body of the face, the minimum
The size of effective coverage has the image recognition process of mobile terminal independently to determine.
Mobile terminal will acquire portrait exposure compensating numerical value.In a kind of possible mode, portrait exposure compensating numerical value is
One constant with fixed numbers, the numerical value both can store in local, also can store in server beyond the clouds.
In alternatively possible mode, portrait exposure compensating numerical value will be with the numerical value of the aperture size of target camera
And/or the numerical value of focal length is adjusted.Mobile terminal is in local, alternatively, the aperture that instruction server obtains target camera is big
The corresponding portrait exposure compensating numerical value of the numerical value of small numerical value and/or focal length.
Step 441b, mobile terminal are exposed compensation according to preset portrait exposure compensating numerical value, to image.
In this application, mobile terminal will be exposed compensation to image according to preset portrait exposure compensating numerical value.
In a kind of possible scene, mobile terminal can expose image during target camera is found a view
Light compensation.
In alternatively possible long scene, mobile terminal can be during target camera recorded video, to record
Each frame image in the video of system is exposed compensation.
In another possible scene, the image that mobile terminal can shoot target camera is exposed compensation.
Optionally, portrait exposure compensating numerical value can be positive number.
Step 442a, when it does not include face that the first image recognition result, which is in image, mobile terminal will acquire preset
Full figure exposure compensating numerical value.
In the program provided by the present application, mobile terminal will be in the first image recognition result do not include face in image
When, obtain preset full figure exposure compensating numerical value.Optionally, full figure exposure compensating numerical value and portrait exposure compensating numerical value not phase
Deng.
In a kind of possible scene, terminal can may include overexposure compensation numerical value according to full figure exposure compensating numerical value
With under-exposure compensation numerical value.Wherein, overexposure compensation numerical value is positive number, and under-exposure compensation numerical value is negative.Mobile terminal can be with
According to the scheme of user preset, full figure exposure compensating numerical value is determined as in overexposure compensation numerical value and under-exposure compensation numerical value
It is a kind of.
It should be noted that overexposure compensation numerical value is used for as the prospect scenery light filling in image, under-exposure compensation numerical value
For enabling the characteristics of image near light source relatively sharp.
Optionally, mobile terminal can compensate numerical value and under-exposure compensation from overexposure automatically according to the brightness of focal position
In numerical value, select one as full figure exposure compensating numerical value.If the brightness of the focal position of image is the peak of brightness of image,
Then determine that under-exposure compensation numerical value is full figure exposure compensating numerical value.If the brightness of the focal position of image is flat lower than brightness of image
Mean value, it is determined that it is full figure exposure compensating numerical value that overexposure, which compensates numerical value,.
In a kind of acquisition modes of possible full figure exposure compensating numerical value, mobile terminal can pass through step (1), step
(2) it is completed with step (3).
Step (1), when it does not include face that the first image recognition result, which is in image, acquisition for mobile terminal focus area,
Focus area is the predeterminable area using image focal point as reference point.
In this application, mobile terminal obtains focal area when the first image recognition result be in image does not include face
Domain, the focus area are the predeterminable areas using image focal point as reference point.For example, by the center of circle of image focal point and designated length is
The center of circle region of radius.Alternatively, centered on image focal point and designated length for side length square area.
Step (2), focus point region carry out image recognition, obtain the second image recognition result.
In this application, mobile terminal focal region carries out image recognition, obtains the second image recognition result.
Step (3) obtains preset when including pre-set image object in the second image recognition result instruction focus area
Full figure exposure compensating numerical value, pre-set image object are the objects of pre-stored specified type in mobile terminal.
It should be noted that pre-set image object includes: the object of the preset kinds such as cat, dog, flowers, leaf and food.
Step 442b, mobile terminal are exposed compensation according to preset full figure exposure compensating numerical value, to image.
Step 451, according to the first light intensity, corresponding image optimization parameter is obtained.
In the embodiment of the present application, image optimization parameter includes at least one of contrast, saturation degree and acutance.It is mobile whole
End obtains the corresponding image optimization parameter of the first light intensity for according to the corresponding relationship of the first light intensity and image optimization parameter.
Step 452, image is optimized according to image optimization parameter.
In the embodiment of the present application, mobile terminal can adjust contrast, the saturation degree of image according to image optimization parameter
With at least one of acutance parameter.If two kinds of parameters of the above-mentioned contrast of acquisition for mobile terminal and saturation degree, mobile terminal will be adjusted
The contrast and saturation degree of whole image.
In conclusion it is provided in this embodiment processing image method, can according in image whether include face to figure
As executing different light filling process flow, enable to include face separately wins suitable in the image of face light filling, order is not
Image comprising face is mentioned according to being that details around prominent light source or other prospect scenery determine that different light fillings is handled
High treatment effect of the mobile terminal to the image under various scenes.
Embodiment based on shown in Fig. 4, the application also provide a kind of method for handling image, and this method can be according to image
Brightness in each region, is in subregional handled image, specifically refers to the following example.
Referring to FIG. 5, it is a kind of flow chart of the method for processing image that embodiment provides based on shown in Fig. 4.At this
The method of reason image can be applied in above-mentioned terminal shown in FIG. 1.In Fig. 5, step provided in this embodiment can be in step
After rapid 452 execute completion, step 461, step 462 and step 463.Wherein, step 461, step 462 and step 463 are held
Row process is described below:
Step 461, according to the brightness of image, the sub- luminance area of at least two grades is divided an image into, at least two
Grade is preset in mobile terminal.
In the embodiment of the present application, mobile terminal can divide an image at least two grades according to the brightness of image
Sub- luminance area, which is preset in mobile terminal.For example, mobile terminal can be by least two
Grade is determined as high brightness and low-light level.Wherein, the sub- luminance area of high brightness is the region that average brightness is higher than specified numerical value, low
The sub- luminance area of brightness is the region that average brightness is lower than specified numerical value.Mobile terminal can be divided the image into according to preset algorithm
For several regions, then carry out the classification of sub- luminance area.
Step 462, according to the grade of sub- luminance area, the corresponding form and aspect of sub- luminance area and/or saturation degree are obtained.
In the embodiment of the present application, mobile terminal obtains corresponding form and aspect and/or saturation according to the grade of sub- luminance area
Degree.In the embodiment of the present application, mobile terminal can be previously stored with the corresponding form and aspect of grade and/or saturation of sub- luminance area
Degree.
Step 463, according to the corresponding form and aspect of sub- luminance area and/or saturation degree, regulator luminance area.
In the embodiment of the present application, mobile terminal can be adjusted according to the corresponding form and aspect of sub- luminance area and/or saturation degree
Corresponding sub- luminance area.For example, acquisition for mobile terminal the first form and aspect of the sub- luminance area of high brightness and/or the first saturation
Degree, terminal will adjust the sub- luminance area of high brightness according to the first form and aspect and/or the first saturation degree.It is bright that terminal obtains low-light level
Second form and aspect and/or the second saturation degree in region are spent, then terminal will adjust high brightness according to the second form and aspect and/or the second saturation degree
Sub- luminance area.
In conclusion a kind of method for handling image provided in this embodiment, can enable mobile terminal according to the bright of image
The difference of degree carries out the adjustment of different form and aspect and/or saturation degree, improves the display effect of image entirety.In conjunction with this implementation
Other embodiments of the method that example provides can improve the different each region of brightness under the premise of improving backlight display effect
Display effect.
Method based on the processing image that any one embodiment of Fig. 2 of the application to Fig. 5 provides, the application can also be
After handling image, while showing treated image and raw video picture.Specifically refer to following examples.
Referring to FIG. 6, it is the flow chart of the image method of another processing provided by the present application.In the processing image
In method, mobile terminal can be according to the corresponding exposure compensating numerical value of the first image recognition result, and processing is imaged by target
After the image of head acquisition, step 610 and step 620 are executed.Wherein, the implementation procedure of step 610 and step 620 is described below:
Step 610, in the suspended window in the screen of mobile terminal, display treated image, suspended window is suspended in bat
In the user interface correlated.
In the embodiment of the present application, if mobile terminal starts application of taking pictures, in user circle for being suspended in application of taking pictures
In suspended window on face, display treated image.It should be noted that the size of suspended window can be freely arranged.
Step 620, in the user interface for taking pictures application, display is mended without the corresponding exposure of the first image recognition result
Repay the image of numerical value processing.
In the embodiment of the present application, mobile terminal can also be shown simultaneously without the corresponding exposure of the first image recognition result
Light compensates the image of numerical value processing.
In one possible implementation, if mobile terminal is Folding screen terminal, which includes the first screen
Curtain and the second screen, then suspended window can take up the entire display area of the first screen, and raw video picture may be displayed on
In second screen.
In conclusion a kind of method for handling image provided by the present application, it can be in the image of mobile terminal processing backlight
It is shown simultaneously with untreated backlight image afterwards, improves the efficiency that user obtains information from image.
Following is the application Installation practice, can be used for executing the application embodiment of the method.It is real for the application device
Undisclosed details in example is applied, the application embodiment of the method is please referred to.
Referring to FIG. 7, the structural frames of the device for handling image provided it illustrates one exemplary embodiment of the application
Figure.The device of the processing image can pass through the whole or one of software, hardware or both being implemented in combination with as mobile terminal
Part.The device includes:
Light intensity acquisition module 710, for passing through institute when the mobile terminal is by the target camera collection image
It states the first photosensory assembly and obtains the first light intensity, first light intensity is used to indicate the strong of the light for irradiating the target camera
Degree；
Backlight determining module 720, for determining at the target camera when first light intensity is greater than Intensity threshold
In backlight state；
Picture recognition module 730 obtains the first image recognition result for carrying out image recognition to described image；
Image processing module 740, for handling institute according to the corresponding exposure compensating numerical value of the first image recognition result
State image.
In an alternative embodiment, mobile terminal is in the target board in side panel, being provided with the second sense
Optical assembly, described device include well execution module, and the execution module is for enabling the mobile terminal photosensitive by described second
Component obtains the second light intensity, and second light intensity is used to indicate the intensity for irradiating the light to side panel of the target board；
When the difference of first light intensity and second light intensity is greater than targets threshold, determine that the target camera is in backlight shape
State.
In an alternative embodiment, described image processing module 740, for being when the first image recognition result
When including face in described image, the mobile terminal will acquire portrait exposure compensating numerical value, the portrait exposure compensating numerical value
It is preset numerical value in the mobile terminal；The mobile terminal according to the portrait exposure compensating numerical value, to described image into
Row exposure compensating.
In an alternative embodiment, described image processing module 740, for being when the first image recognition result
When not including face in described image, the mobile terminal will acquire preset full figure exposure compensating numerical value；The mobile terminal
According to the preset full figure exposure compensating numerical value, compensation is exposed to described image.
In an alternative embodiment, described image processing module 740, for being when the first image recognition result
When not including face in described image, the acquisition for mobile terminal focus area, the focus area is with described image focus
For the predeterminable area of reference point；Image recognition is carried out to the focus area, obtains the second image recognition result；When described second
When image recognition result is indicated in the focus area including pre-set image object, preset full figure exposure compensating numerical value is obtained,
The pre-set image object is the object of pre-stored specified type in the mobile terminal.
In an alternative embodiment, the execution module, for obtaining corresponding image according to first light intensity
Optimal Parameters, described image Optimal Parameters include at least one of contrast, saturation degree and acutance；Optimized according to described image and is joined
Several pairs of described images optimize.
In an alternative embodiment, the execution module draws described image for the brightness according to described image
It is divided into the sub- luminance area of at least two grades, at least two grade is preset in the mobile terminal；According to
The grade of the sub- luminance area obtains the corresponding form and aspect of the sub- luminance area and/or saturation degree；According to the sub- brightness region
The corresponding form and aspect in domain and/or saturation degree adjust the sub- luminance area.
In an alternative embodiment, the execution module, for the suspended window in the screen of the mobile terminal
In, display treated described image, the suspended window is suspended in the user interface for application of taking pictures；In the application of taking pictures
In user interface, the described image without the corresponding exposure compensating numerical value processing of the first image recognition result is shown.
The embodiment of the present application also provides a kind of computer-readable medium, which has at least one
Instruction, at least one instruction are loaded as the processor and are executed to realize processing image described in as above each embodiment
Method.
It should be understood that it is provided by the above embodiment processing image device execute processing image method when, only
The example of the division of the above functional modules, in practical application, can according to need and by above-mentioned function distribution by
Different functional modules is completed, i.e., the internal structure of equipment is divided into different functional modules, described above complete to complete
Portion or partial function.In addition, the embodiment of the method for the device and processing image of processing image provided by the above embodiment belongs to
Same design, specific implementation process are detailed in embodiment of the method, and which is not described herein again.
Above-mentioned the embodiment of the present application serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely the exemplary embodiments that can be realized of the application, not to limit the application, it is all
Within spirit herein and principle, any modification, equivalent replacement, improvement and so on should be included in the protection of the application
Within the scope of.
Claims (11)
1. a kind of method for handling image, which is characterized in that the method is applied in the terminal, the mesh of the mobile terminal
It is provided with target camera and the first photosensory assembly in mark panel, the target board is front panel or rear panel, the method
Include:
When the mobile terminal is by the target camera collection image, the mobile terminal passes through described first photosensitive group
Part obtains the first light intensity, and first light intensity is used to indicate the intensity for irradiating the light of the target camera；
When first light intensity is greater than Intensity threshold, determine that the target camera is in backlight state；
The mobile terminal carries out image recognition to described image, obtains the first image recognition result；
The mobile terminal handles described image according to the corresponding exposure compensating numerical value of the first image recognition result.
2. the method according to claim 1, wherein in the target board in side panel, being provided with
Two photosensory assemblies, after the mobile terminal obtains the first light intensity by first photosensory assembly, the method also includes:
The mobile terminal obtains the second light intensity by second photosensory assembly, and second light intensity is used to indicate described in irradiation
The intensity of the light to side panel of target board；
When the difference of first light intensity and second light intensity is greater than targets threshold, determine that the target camera is in inverse
Light state.
3. the method according to claim 1, wherein the mobile terminal is according to the first image recognition result
Corresponding exposure compensating numerical value handles described image, comprising:
When it includes face that the first image recognition result, which is in described image, the mobile terminal will acquire portrait exposure and mend
Numerical value is repaid, the portrait exposure compensating numerical value is preset numerical value in the mobile terminal；
The mobile terminal is exposed compensation according to the portrait exposure compensating numerical value, to described image.
4. the method according to claim 1, wherein the mobile terminal is according to the first image recognition result
Corresponding exposure compensating numerical value handles described image, comprising:
When it does not include face that the first image recognition result, which is in described image, the mobile terminal will acquire preset complete
Exposure map compensates numerical value；
The mobile terminal is exposed compensation to described image according to the preset full figure exposure compensating numerical value.
5. according to the method described in claim 4, it is characterized in that, described when the first image recognition result is described image
In when not including face, the mobile terminal will acquire preset full figure exposure compensating numerical value, comprising:
When it does not include face that the first image recognition result, which is in described image, the acquisition for mobile terminal focus area,
The focus area is using described image focus as the predeterminable area of reference point；
Image recognition is carried out to the focus area, obtains the second image recognition result；
When second image recognition result indicates in the focus area to include pre-set image object, preset full figure is obtained
Exposure compensating numerical value, the pre-set image object are the objects of pre-stored specified type in the mobile terminal.
6. method according to any one of claims 1 to 5, which is characterized in that the method also includes:
According to first light intensity, corresponding image optimization parameter is obtained, described image Optimal Parameters include contrast, saturation degree
At least one of with acutance；
Described image is optimized according to described image Optimal Parameters.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
According to the brightness of described image, described image is divided into the sub- luminance area of at least two grades, described at least two
Grade is preset in the mobile terminal；
According to the grade of the sub- luminance area, the corresponding form and aspect of the sub- luminance area and/or saturation degree are obtained；
According to the corresponding form and aspect of the sub- luminance area and/or saturation degree, the sub- luminance area is adjusted.
8. the method according to claim 1, wherein described image is that the mobile terminal is taken the photograph by the postposition
As the image of head pre-acquired, in the mobile terminal according to the corresponding exposure compensating numerical value of the first image recognition result, place
After managing described image, the method also includes:
In the suspended window in the screen of the mobile terminal, display treated described image, the suspended window is suspended in bat
In the user interface correlated；
In the user interface for taking pictures application, show at without the corresponding exposure compensating numerical value of the first image recognition result
The described image of reason.
9. a kind of device for handling image, which is characterized in that described device is applied in the terminal, the mesh of the mobile terminal
It is provided with target camera and the first photosensory assembly in mark panel, the target board is front panel or rear panel, described device
Include:
Light intensity acquisition module, for passing through described first when the mobile terminal is by the target camera collection image
Photosensory assembly obtains the first light intensity, and first light intensity is used to indicate the intensity for irradiating the light of the target camera；
Backlight determining module, for determining that the target camera is in backlight when first light intensity is greater than Intensity threshold
State；
Picture recognition module obtains the first image recognition result for carrying out image recognition to described image；
Image processing module, for handling described image according to the corresponding exposure compensating numerical value of the first image recognition result.
10. a kind of terminal, which is characterized in that the terminal includes processor and memory, is stored at least in the memory
One instruction, described instruction are loaded by the processor and are executed to realize processing image as described in any of the claims 1 to 8
Method.
11. a kind of computer readable storage medium, which is characterized in that be stored at least one instruction, institute in the storage medium
Instruction is stated to be loaded by processor and executed to realize the method as described in any of the claims 1 to 8 for handling image.
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