CN109151325A - A kind of processing method and processing unit synthesizing smiling face - Google Patents
A kind of processing method and processing unit synthesizing smiling face Download PDFInfo
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- CN109151325A CN109151325A CN201811253757.6A CN201811253757A CN109151325A CN 109151325 A CN109151325 A CN 109151325A CN 201811253757 A CN201811253757 A CN 201811253757A CN 109151325 A CN109151325 A CN 109151325A
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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
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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Abstract
The present invention provides a kind of processing methods and processing unit for synthesizing smiling face, wherein the method includes extracting multiple image from buffer queue and choose the frame image more than face smiling face's state quantity as original image；Identify that non-smiling face's object is as target object in original image, it is the image of smiling face's state as target image that target object is chosen in multiple image；Target image is handled according to the brightness value of original image；Original image and target image are synthesized, make target object that smiling face's state be presented.It is the photo of best smiling face's state that owner, which can efficiently be shot, all using method, apparatus and system of the invention, improves the probability for taking that target object is smiling face, improve electronic equipment is ultimately imaged effect.
Description
Technical field
The present invention relates to field of electronic device more particularly to a kind of methods, devices and systems for synthesizing smiling face.
Background technique
With the development of electronic technology, the performance of taking pictures of various terminals is become better and better, and uses the movement for having camera function
Equipment, which take pictures, has become one of people's schedule life habit.During being taken pictures using mobile device, Ren Menhuo
More or less like showing certain take pictures posture or movement.In these postures or movement, smiling face --- especially collective is laughed at
Face picture is a kind of photographic means that everybody likes.
However, due to the individual difference of photograph subject, the inconsistent photograph that will also result in shooting of smiling face's expression when very much
Piece someone is smiling face, the non-smiling face of someone or non-optimal smiling face, is difficult disposably to photograph owner all to be my best smiling face's state
Photo, it is expected that photographer is not achieved in the effect being ultimately imaged.For the image for obtaining good result, photographer is more by rear
Phase image procossing carrys out meet demand, and later image processing not only has certain technical requirements to photographer, treatment effeciency also compared with
It is low.
Summary of the invention
One of main object of the present invention is to provide a kind of processing method for synthesizing smiling face, and which solve in the prior art
Smiling face takes pictures ineffective technical problem.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of processing method synthesizing smiling face comprising following
Step:
Multiple image is extracted from electronic equipment buffer queue and is identified, the frame image more than face smiling face state quantity is chosen
As original image；
It chooses non-smiling face's object in the original image and chooses the target in the multiple image as target object
Object is the image of smiling face's state as target image；
The target image is handled according to the brightness value of the original image；
By the original image, the target image is synthesized with treated, makes the target object that smiling face's shape be presented
State.
Another main purpose of the invention is to provide a kind of processing unit for synthesizing smiling face comprising:
First chooses module, for identifying the smiling face's state and non-smiling face's state of object in buffer queue multiple image, chooses
A frame image more than object smiling face's state quantity is transmitted to one second selection as original image, and by recognition result and selection result
Module and a processing module；
Described second, which chooses module, is based on the first selection module recognition result and chooses as a result, choosing the original graph
Non- smiling face's state object is as target object as in, and choosing the mouth of target object in the multiple image of buffer queue is smiling face
The image of state will choose result and be transmitted to the processing module as target image；
The processing module is used to carry out image procossing to the target image according to the brightness value of the original image, and
By treated, target image is sent to a synthesis module；
The synthesis module is used to synthesize processing module treated target image with original image, so that target
Smiling face's state is presented in object.
Further, further includes:
Imaging device, used to capture images, preservation image to buffer queue, and it is sent to an image-signal processor；
Sensor saves image to buffer queue for providing image data, and is sent to a video memory and described
Image-signal processor；
Described image memory is used to store the image data that the sensor and described image signal processor are sent, and
Output to display is shown；
Described image signal processor for identification ridicule by the mouth of objects in images, the object of presentation smiling face's state and presentation
The object of face state obtains original image, target image and target object, at image progress image enhancement, smoothing processing, noise reduction
At least one of reason, brightness value processing and facial image replacement synthesis processing processing, and at the information and image that identification is obtained
Reason result is sent to control logic device, encoder/decoder and the display；
The control logic device, for receiving the image data and image information of the transmission of described image signal processor, root
The control parameter or parameter combination of imaging device are determined according to image data and image information；
The encoder/decoder, the image data sent for coding/decoding described image signal processor；
The display, for being watched for user and/or carrying out image procossing by graphics engine or graphics processor, with figure
As memory, image-signal processor are connected with encoder/decoder.
Compared with prior art, the beneficial effect of a kind of processing method for synthesizing smiling face of the present invention and processing unit is:
The present invention extracts multiple image from buffer queue and chooses the image more than face smiling face's state quantity as original graph when taking pictures
Picture；It is then based on original image, identifies that wherein non-smiling face's object is as target object, and choose target object in multiple image
For smiling face's state image as target image；Target image is handled according to the brightness value of original image；Finally, by former
Beginning image is synthesized with target image, makes target object that smiling face's state be presented；It is most that the present invention, which efficiently shoots owner,
The photo of good smiling face's state improves the probability for taking that target object is smiling face, and improve electronic equipment is ultimately imaged effect
Fruit.Other features and advantages of the present invention will be illustrated in the following description, also, partly become from specification it is aobvious and
It is clear to, or understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, claims
And pointed structure is achieved and obtained in attached drawing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 shows the flow diagram of the processing method of synthesis smiling face according to an embodiment of the present invention；
Fig. 2 shows the basic structure schematic diagrams of the processing unit of synthesis smiling face according to an embodiment of the present invention；
The structure that Fig. 3 shows the hardware and software component of the processing unit of synthesis smiling face according to an embodiment of the present invention is shown
It is intended to；
Fig. 4 shows the structural schematic diagram of synthesis smiling face's processing system according to an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention clearly and completely illustrated, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the processing method flow diagram of synthesis smiling face provided in an embodiment of the present invention, as shown, including following
Step:
Firstly, extracting multiple image from electronic equipment buffer queue when being taken pictures and identifying, choose face smiling face
A frame image more than state quantity is as original image.After the preview interface for entering electric terminal equipment camera, electronic equipment can
With according to current environmental parameter, every 30 milliseconds to 60 milliseconds one frame images of acquisition, and acquired image is saved in slow
Deposit queue.Wherein, which can be fixed length queue, such as: the newest collected 10 frame figure of electronic equipment can be saved
As being used as buffer queue.In the present embodiment, if extracting multiple image from buffer queue and to choose face smiling face state most
Image, while can further be chosen according to conditions such as image definition or noises, to obtain the highest original graph of quality
As carrying out subsequent processing.
It is detected for objects in images face smiling face's state, the prior art has more mature smiling face's detection algorithm；Except this
Except, it is also possible to most basic mouth perimeter detection method determines mouth profile by face recognition technology, then calculate
Lower lip most peripheral length, it is longest to be considered target object smiling face's state.If using mouth perimeter detection method, need by
Proprietary mouth perimeter is all calculated in each cache image, finds out everyone best smiling face's state and delaying for place
Image is deposited, the multiple image in buffer queue is compared, the frame image for selecting smiling face's state object most is as original image.Into one
Step ground can further judge that the original image whether there is mouth in the middle after getting original image, specifically can benefit
With whether there is mouth in face mouth identification technology detection original image, next step is then continued to execute if it exists.It needs
Illustrate, in the embodiment of the present invention, can be pre-processed after getting the original image that this includes mouth, this is pre-
Processing may include: image enhancement, smoothing processing, noise reduction process etc..By pre-processing accordingly, obtain original image it
Afterwards, the information in image selectively can be reinforced and is inhibited, to improve the visual effect of image or be changed into image more
It is suitable for the form of machine processing, in order to data pick-up or identification.Such as: an Image Intensified System can be filtered by high pass
Wave device protrudes the contour line of image, to enable the machine to the shape and perimeter of measurement contour line.Image enhancement technique has more
Kind method, contrast broadening, logarithmic transformation, density stratification and histogram equalization etc. can be used in changing image tone and protrude thin
Section.
Then, choosing non-smiling face's object in original image, as target object, choosing target object in multiple image is
The image of smiling face's state is as target image.Non- smiling face's object is chosen as target object, can first be obtained in original image
The facial image of object；Its mouth region is determined based on facial image again, obtains lip image in mouth region.Wherein, fixed
Mouth region can be positioned when the mouth of position according to mouth feature classifiers trained in advance, the purpose of Mouth detection is to be accurately positioned
To mouth region, the influence of the colour of skin is removed as far as possible；It is based on lip image analysis lip state again.Wherein it is possible to according to obtaining
The upper lower lip information of lip image detection lip, to obtain the distance between upper lower lip in real time, left and right corners of the mouth length etc.；
Finally, determining the object for ridiculing face-like state in original image, and as target object according to the upper lower lip information of acquisition.It needs
It is noted that above-mentioned target object can be for one or multiple, and such as: there are multiple mouthes in more people's photos is
The object of face-like state is ridiculed, then this multiple object is target object.Determine in original image there are mouth be non-smiling face
After the target object of state, the mouth that target object is further chosen in multiple image is the target figure of smiling face's state
Picture.
Then, target image is handled according to the brightness value of original image.Since original image and target image are clapped
Taking the photograph the time is not synchronization, and target image brightness will there may be difference with original image, directly by the target image with
Original image carries out synthesis meeting so that final have indisposed sense in flakes, and imaging effect is bad.To solve this problem, the present invention is implemented
Example first target image can be handled according to the brightness value of original image so that the brightness value of the target image with it is original
Image is consistent or close, to be ultimately imaged effect to be promoted and be ready.
Finally, original image and the target image after brightness processed are synthesized, so that target object presentation is laughed at
Face-like state.Since target object is smiling face's state in target image, and the mouth of target object is to ridicule in original image
Face-like state, and while mouth is laughed in reality, possible eyes can also become smaller due to smilingly, therefore the embodiment of the present invention can will
Entire facial image is synthesized with original image in target image so that in final image target object it is whole
Body surface feelings are smiling face's state, i.e., it includes: the target image that obtains that treated that original image and target image, which carry out synthesis, in this step
The facial image of middle target object, and as replacement facial image；It will replacement facial image and target object in original image
Facial image be replaced so that target object is smiling face's state.
Original image described in above step, which can be acquisition, has digital image format, such as: the people of BMP, JPG, PNG etc.
The image of object photo and other kinds of digital type image format, is also possible to by mobile terminals such as digital camera or mobile phones i.e.
When take pictures and generate portrait photographs, the embodiment of the present invention is not limited this.
Based on above-mentioned processing method, the embodiment of the invention provides a kind of processing units for synthesizing smiling face, and Fig. 2 shows roots
According to the basic structure schematic diagram of the processing unit of the synthesis smiling face of the embodiment of the present invention.As shown, described device includes: first
Module is chosen, module is chosen with the second of the first selection module realization connection, is selected with the first selection module and second
Modulus block realizes the processing module of connection and the synthesis module with the processing modules implement data connection.Wherein:
Described first chooses module, for identifying the smiling face's state and non-smiling face's state of object in buffer queue multiple image,
The frame image more than object smiling face state quantity is chosen as original image, and recognition result and selection result are transmitted to the second choosing
Modulus block and processing module；Described second chooses module, chooses module recognition result based on first and chooses as a result, choosing original
Non- smiling face's state object is as target object in image, and choosing the mouth of target object in the multiple image of buffer queue is to laugh at
The image of face state will choose result and be transmitted to processing module as target image；The processing module, for according to original image
Brightness value image procossing carried out to target image, and will treated that target image is sent to synthesis module；The synthesis mould
Block, for synthesizing processing module treated target image with original image, so that smiling face's state is presented in target object.
Processing unit of the embodiment of the present invention can integrate in the electronic device, which, which can be, any is able to carry out picture browsing
And the equipment handled, such as: mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop
Computer), personal digital assistant (personal digital assistant), mobile Internet access device (Mobile
Internet device) or wearable device (Wearable Device) etc., the embodiment of the present invention is not limited this.
It should be noted that each functional module of the embodiment of the present invention is can integrate in the electronic device in a processing chip, it can also
To be that modules physically exist alone, can also be integrated in two or more modules in a module；It is above-mentioned integrated
Module both can take the form of hardware realization, can also be realized in the form of software function module.
Above-mentioned processing unit can be realized using hardware and or software component, and may include defining image signal process
The various processing units of (Image Signal Processing) pipeline, Fig. 3 show synthesis according to an embodiment of the present invention and laugh at
The structural schematic diagram of the hardware and software component of the processing unit of face.As shown, for purposes of illustration only, only showing and present invention reality
Apply the various aspects of the relevant image processing techniques of example.The hardware and software component of processing unit include: imaging device (610),
Sensor (620), video memory (630), image-signal processor (640), control logic device (650), encoder/decoder
(660 and display (670), the imaging device (610) include lens (611) and imaging sensor (612), and the control is patrolled
Collecting device (650) includes image processor and/or microcontroller.
The image data that imaging device (610) captures is handled by image-signal processor (640) first, image signal process
Device (640) can analyze image data, to capture for determining and/or imaging device (610) one or more controls
The image statistics of parameter；Wherein, imaging device (610) is to include with one or more lens (611) and image sensing
The camera of device (612).Imaging sensor (612) includes the colour filter array of Bayer filter etc., imaging sensor (612)
The luminous intensity and wavelength information captured with each imaging pixel of imaging sensor (612) can be obtained, and provides and can be believed by image
One group of raw image data of number processor (640) processing.Sensor (620) can be based on its interface type raw image data
It is supplied to image-signal processor (640).Sensor (620) interface can use Standard Mobile Imager framework (Standard
Mobile Imaging Architecture) interface, other serial or parallel camera interfaces or above-mentioned interface combination.
Image-signal processor (640) handles raw image data pixel by pixel in various formats.Such as: each image
Pixel can have the bit depth of 8,10,12 or 14 bits, and image-signal processor (640) can carry out one to raw image data
Or the statistical information of multiple images processing operation, collection about image data.Wherein, image processing operations can be by identical or different
Bit depth precision carry out.Image-signal processor (640) can also receive pixel data from video memory (630).Such as: from
Raw pixel data is sent to video memory (630) by sensor (620) interface, the original image in video memory (630)
Prime number is for processing according to image-signal processor (640) is available to.Video memory (630) can be one of memory device
Divide, the independent private memory in storage equipment or electronic equipment, and may include direct memory access (DMA) (Direct
Memory Access) feature.When the original image for receiving from sensor (620) interface or coming from video memory (630)
When data, image-signal processor (640) can carry out one or more image processing operations, such as time-domain filtering.Treated schemes
Video memory (630) are given as data can be transmitted, to carry out other processing before shown.Image-signal processor
(640) from video memory (630 receive processing data, and to the processing data progress original domain in and RGB and YCbCr
Image real time transfer in color space.Image data that treated may be output to display (670), for user viewing and/
Or it is further processed by graphics engine or graphics processor (Graphics Processing Unit).In addition, at picture signal
The output of reason device (640), which also can be transmitted, gives video memory (630), and display (670) can be read from video memory (630)
Image data.In one embodiment, video memory (630) can be configured to realize one or more frame buffers.This
Outside, the output of image-signal processor (640), which can be transmitted, gives encoder/decoder (660), so as to encoding/decoding image data.
The image data of coding can be saved, and decompress before on being shown in display (670) equipment.Encoder/decoder
(660) it can be realized by central processing unit, graphics processor or coprocessor.The statistical number that image-signal processor (640) determines
Control logic device (650) are given according to can be transmitted.Such as: statistical data may include automatic exposure, automatic white balance, automatic focusing, dodge
Imaging sensors (612) statistical informations such as bright detection, black level compensation, lens (611) shadow correction.Control logic device (650)
It may include the processor and/or microcontroller for executing one or more routines, one or more routines can count based on the received
Data determine the combination of the control parameter or these parameters of imaging device (610), such as: control parameter may include sensor
(620) control parameters such as the time of integration of gain, spectrum assignment, camera flash control parameter, lens (611) focusing or
The control parameters such as zoom focal length.Image signal process (Image Signal Processing) control parameter may include being used for
The gain level and color correction matrix and lens (611) shadow correction ginseng of the colors adjustment such as automatic white balance and RGB processing
Number.
It is realized since the processing method of the embodiment of the present invention can be by computer or the system of embedded program control,
Therefore, ground is corresponded, a kind of processing system for synthesizing smiling face is additionally provided in the embodiment of the present invention, Fig. 4 shows root
According to the structural schematic diagram of synthesis smiling face's processing system of the embodiment of the present invention.As shown, the processing system of the synthesis smiling face
Including at least one processor and at least one processor；The memory storage executes the above any embodiment of that present invention side
The computer program of method, the processor call in memory computer program to execute any embodiment of that present invention method.
Further, the memory can be connect with one or more of processor communications, be stored in the memory
There is the instruction that can be executed by one or more of processors, described instruction is executed by one or more of processors, so that
One or more of processors can be realized method of the invention.Wherein, storage medium may include: read-only memory
(Read Only Memory), random access memory (Random Access Memory), disk or CD etc., the present invention are real
It applies example and this is not limited.
The embodiment of the present invention extracts multiple image from buffer queue and chooses more than face smiling face's state quantity when taking pictures
Image is as original image；It is then based on original image, identifies that wherein non-smiling face's object is as target object, and in multiple image
Middle selection target object is the image of smiling face's state as target image；Target image is carried out according to the brightness value of original image
Processing；Finally, original image and target image are synthesized, make target object that smiling face's state be presented.Energy of the embodiment of the present invention
Enough efficiently shooting owners are the photos of best smiling face's state, improve the probability for taking that target object is smiling face, mention
Risen electronic equipment is ultimately imaged effect.
Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should manage
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (11)
1. it is a kind of synthesize smiling face processing method, which is characterized in that itself the following steps are included:
Multiple image is extracted from electronic equipment buffer queue and is identified, the frame image conduct more than face smiling face state quantity is chosen
Original image；
It chooses non-smiling face's object in the original image and chooses the target object in the multiple image as target object
For smiling face's state image as target image；
The target image is handled according to the brightness value of the original image；
By the original image, the target image is synthesized with treated, makes the target object that smiling face's state be presented.
2. the processing method of synthesis smiling face according to claim 1, which is characterized in that the buffer queue is for saving electricity
The multiple image of the sub- newest collected predetermined quantity of equipment.
3. the processing method of synthesis smiling face according to claim 2, which is characterized in that the multiframe figure in the buffer queue
After entering the preview interface of imaging device, the electronic equipment acquires at predetermined time intervals according to local environment parameter at that time
One frame image, and save into the buffer queue.
4. the processing method of synthesis smiling face according to claim 1, which is characterized in that the identification content of the multiple image
Include:
Identify the mouth of objects in images；
Identify the object that smiling face's state is presented in image.
5. the processing method of synthesis smiling face according to claim 4, which is characterized in that in recognizing the multiple image
When the mouth of object, the pretreatment of at least one of image enhancement, smoothing processing and noise reduction process is carried out to the image.
6. the processing method of synthesis smiling face according to claim 4, which is characterized in that when recognizing in the multiple image
Smiling face's state object as many when, compare at least one of clarity and the noise of multiple image attribute, select clarity high or
The few frame image of noise is as the original image.
7. the processing method of synthesis smiling face according to claim 1, which is characterized in that non-in the selection original image
Smiling face's object as in target object step include the following contents:
Obtain the facial image of object in the original image；
Mouth region is determined according to mouth feature classifiers based on facial image, and lip image is obtained in mouth region；
According to lower lip in lip image detection, obtain in the distance between upper lower lip in real time and left and right corners of the mouth length at least
A kind of information；
According to the upper lower lip information of acquisition, the object that face-like state is ridiculed in original image is determined, and as target object.
8. the processing method of synthesis smiling face according to claim 1, which is characterized in that described by original image and target
Image carries out including the following contents in synthesis step:
The facial image of target object in treated target image is obtained, and as replacement facial image；
The facial image for replacing facial image and target object in original image is replaced.
9. a kind of processing unit for synthesizing smiling face, characterized in that it comprises:
First chooses module, for identifying the smiling face's state and non-smiling face's state of object in buffer queue multiple image, chooses object
A frame image more than smiling face's state quantity is transmitted to one second selection module as original image, and by recognition result and selection result
With a processing module；
Described second, which chooses module, is based on the first selection module recognition result and chooses as a result, choosing in the original image
Non- smiling face's state object is as target object, and choosing the mouth of target object in the multiple image of buffer queue is smiling face's state
Image will choose result and be transmitted to the processing module as target image；
The processing module is used to carry out image procossing to the target image according to the brightness value of the original image, and will place
Target image after reason is sent to a synthesis module；
The synthesis module is used to synthesize processing module treated target image with original image, so that target object
Smiling face's state is presented.
10. the processing unit of synthesis smiling face according to claim 9, which is characterized in that further include:
Imaging device, used to capture images, preservation image to buffer queue, and it is sent to an image-signal processor；
Sensor for providing image data, preservation image to buffer queue, and is sent to a video memory and described image
Signal processor；
Described image memory is used to store the image data that the sensor and described image signal processor are sent, and exports
It is shown to display；
Described image signal processor for identification the mouth of objects in images, the object of smiling face's state is presented and non-smiling face's state is presented
Object, obtain original image, target image and target object, to image carry out image enhancement, smoothing processing, noise reduction process,
At least one of brightness value processing and facial image replacement synthesis processing processing, and the information and image procossing knot that identification is obtained
Fruit is sent to control logic device, encoder/decoder and the display；
The control logic device, for receiving the image data and image information of the transmission of described image signal processor, according to figure
As data and image information determine the control parameter or parameter combination of imaging device；
The encoder/decoder, the image data sent for coding/decoding described image signal processor；
The display is deposited for watching for user and/or carrying out image procossing by graphics engine or graphics processor with image
Reservoir, image-signal processor are connected with encoder/decoder.
11. the processing unit of synthesis smiling face according to claim 10, which is characterized in that the imaging device includes lens
And imaging sensor；The control logic device includes image processor and/or microcontroller.
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Cited By (4)
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| CN110097001A (en) * | 2019-04-30 | 2019-08-06 | 恒睿(重庆)人工智能技术研究院有限公司 | Generate method, system, equipment and the storage medium of best plurality of human faces image |
| CN110971817A (en) * | 2019-11-18 | 2020-04-07 | 青岛海信移动通信技术股份有限公司 | Monitoring equipment and determination method of monitoring image |
| CN111263073A (en) * | 2020-02-27 | 2020-06-09 | 维沃移动通信有限公司 | Image processing method and electronic device |
| CN112887613A (en) * | 2021-01-27 | 2021-06-01 | 维沃移动通信有限公司 | Shooting method, shooting device, electronic equipment and storage medium |
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