CN106372627A - Automatic photographing method and device based on face image recognition and electronic device - Google Patents
Automatic photographing method and device based on face image recognition and electronic device Download PDFInfo
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- CN106372627A CN106372627A CN201610976038.1A CN201610976038A CN106372627A CN 106372627 A CN106372627 A CN 106372627A CN 201610976038 A CN201610976038 A CN 201610976038A CN 106372627 A CN106372627 A CN 106372627A
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- 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
- G06V40/168—Feature extraction; Face representation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
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- 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
- G06V40/174—Facial expression recognition
- G06V40/175—Static expression
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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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- Oral & Maxillofacial Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Artificial Intelligence (AREA)
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Abstract
The invention discloses an automatic photographing method and device based on face image recognition. The method comprises the steps that a reference picture with a specific face expression and a similarity threshold are set as an automatic photographing condition; the preview picture of a person's face to be photographed is acquired through the camera; face image recognition is carried out on the preview picture to determine the face expression feature of the preview picture and determine whether the similarity between the preview picture and the reference picture reaches the similarity threshold; and if the similarity between the preview picture and the reference picture reaches the similarity threshold, automatic photographing is triggered. The invention further discloses an electronic device which comprises the automatic photographing method and device. The method and device provide a great convenience for capturing lovely instant expression of a baby, and improve the quality of an instantly photographed picture.
Description
Technical field
The present invention relates to intelligent terminal's technical field, more particularly, to a kind of automatic photographing method based on face-image identification
And device, further relate to a kind of electronic equipment comprising automatic photographing method as above and device.
Background technology
One baby birth possibly one of thing of every one family's heavenliness in this world.Young father and mother, think certainly
In baby's developmental process, each classical moment, all record, so as can to recall in the future review these fine when
Carve.Because the expression of baby can be uncontrolled, how to catch these moment occurrences is a difficult problem.Current side
As long as method one straight end capture apparatus (such as smart mobile phone or camera), when waiting baby to expose those lovely expressions again
Take pictures again.But such method not only takes a substantial amount of time and energy, and expose the wink of those lovely expressions in baby
Between it is possible to take pictures reaction not in time, shoot the quality of photo obtaining also not good.
Content of the invention
In view of this, the invention provides a kind of automatic photographing method based on face-image identification and device, using face
Portion's image recognition technology, recognizes the various lovely expression of baby, is then automatically performed and takes pictures and preserve picture, for catching baby
The lovely expression that moment occurs provides great convenience, and improves the quality of the photo of moment shooting.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
A kind of automatic photographing method based on face-image identification, comprising:
Set the reference base picture with specific facial expression and similarity threshold as automatic camera condition；
Obtain the preview screen of character facial to be taken pictures by photographic head；
Face-image identification is carried out to described preview screen, determines the facial expression feature of described preview screen, judge institute
Whether the similarity stating preview screen with described reference base picture reaches described similarity threshold；
If described preview screen reaches described similarity threshold with the similarity of described reference base picture, triggering is clapped automatically
According to.
Specifically, described specific facial expression include smile, laugh, angry, sad, angry, sleep soundly, yawn and use
The self-defined expression in family.
Specifically, described similarity threshold is more than 70%.
Specifically, described preview screen is additionally provided with background picture.
Present invention also offers a kind of Automatic camera based on face-image identification, comprising:
Take pictures arranging unit, for setting the reference base picture with specific facial expression and similarity threshold as automatic
Photographical condition；
Image acquisition unit, for obtaining the preview screen of character facial to be taken pictures by photographic head；
Image identification unit, for carrying out face-image identification to preview screen, determines that the facial expression of preview screen is special
Levy, judge whether preview screen and the similarity of reference base picture reach similarity threshold；
Automatic camera unit, for when the similarity of preview screen and reference base picture reaches similarity threshold, triggering is clapped
Preserve according to preview screen is shot for picture.
Specifically, take pictures in arranging unit described, described specific facial expression include smile, laugh, angry, sad,
Indignation, sleep soundly, yawn and User Defined expression.
Specifically, take pictures in arranging unit described, described similarity threshold is more than 70%.
Specifically, in described image acquiring unit, described preview screen is additionally provided with background picture.
Another aspect of the present invention is to provide a kind of electronic equipment, and it is included as above based on face-image identification
Automatic camera.
Specifically, described electronic equipment is smart mobile phone or panel computer.
Automatic photographing method based on face-image identification provided in an embodiment of the present invention and device, prestore setting tool first
There are the reference base picture of specific facial expression and similarity threshold as automatic camera condition, then utilize face-image to identify skill
Art, recognizes the various lovely expression of baby in preview screen, when the similarity of preview screen and reference base picture reaches similarity
During threshold value, triggering is taken pictures and for preview screen to be shot for picture preservation.The method and device are catch that baby's moment occurs lovely
Expression provides great convenience, and improves the quality of the photo of moment shooting.
Brief description
Fig. 1 is the structural representation of the Automatic camera based on face-image identification in the embodiment of the present invention；
Fig. 2 is the workflow diagram of the automatic photographing method based on face-image identification in the embodiment of the present invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, the concrete reality to the present invention below in conjunction with the accompanying drawings
The mode of applying is described in detail.The example of these preferred implementations is illustrated in the accompanying drawings.Shown in accompanying drawing and according to
The embodiments of the present invention of Description of Drawings are merely exemplary, and the present invention is not limited to these embodiments.
Here, also, it should be noted in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show and the structure closely related according to the solution of the present invention and/or process step, and eliminate little with relation of the present invention
Other details.
Present embodiments provide a kind of electronic equipment, described electronic equipment can be for example smart mobile phone or panel computer
Deng described electronic equipment has camera arrangement, and described camera arrangement is a kind of automatic camera based on face-image identification dress
Put, using face-image technology of identification, recognize the facial expression in preview screen, when preview screen is similar to reference base picture
When degree reaches similarity threshold, triggering is taken pictures and for preview screen to be shot for picture preservation.
Present embodiments provide a kind of Automatic camera based on face-image identification, as shown in figure 1, described automatic bat
Take pictures arranging unit 10, image acquisition unit 20, image identification unit 30 and automatic camera unit 40 according to device.
Wherein, described arranging unit 10 of taking pictures is mainly used in setting the reference base picture with specific facial expression and similar
Degree threshold value is as automatic camera condition.Described image acquiring unit 20 is mainly used in obtaining personage's face to be taken pictures by photographic head
The preview screen in portion.Described image recognition unit 30 is mainly used in carrying out face-image identification to preview screen, determines that preview is drawn
The facial expression feature in face, judges whether preview screen and the similarity of reference base picture reach similarity threshold.Described automatic bat
It is mainly used in when the similarity of preview screen and reference base picture reaches similarity threshold according to unit 40, triggering is taken pictures and drawn preview
Face is shot for picture and preserves.
Specifically, take pictures in arranging unit 10 described, set reference base picture is that have smile, laugh, angry, difficult
Cross, indignation, the normal pictures of the particular emotion such as sleep soundly, yawn；Or can also be the picture using User Defined expression
As reference base picture, for example, in the picture taken pictures, user thinks that the facial expression in certain pictures is especially meaningful, thinks
To catch again and to grab the moment that this expression occurs, then this pictures can be named and be customized for reference base picture.Further,
In the present embodiment, described similarity threshold is more than 70%.
Specifically, in described image acquiring unit 20, described preview screen is additionally provided with background picture.Wherein, background
Picture can be arranged by arranging unit 10 of taking pictures, and background picture is for example to increase a cartoon figure and takes a group photo, and will take pictures
Environment is substituted for the scene of magical castle etc；Wherein, the texture of the background picture chosen also is loaded.Further, take pictures
After completing, after-treatment can also be carried out to background picture, for example, adjust resolution, color range, curve, replace background texture etc.
Operation, also allows user to carry out later stage process to photo manually simultaneously.
As shown in Fig. 2 the Automatic camera corresponding automatic camera side based on face-image identification of example is performed as described above
The workflow of method is as follows:
Step s10, start start Automatic camera after, point out the need of self-defined expression picture: if so, then from
Step s20 is entered after defining expression picture；If it is not, being then directly entered step s20.
Wherein, the step of self-defined expression picture includes:
S11, the self-defined picture of selection, input and wait process.Any image can be selected from the picture taken pictures
As self-defined picture, such as user think the facial expression in certain pictures taken pictures especially meaningful it is desirable to catch again
Grab the moment that this expression occurs, then this pictures can be self-defined picture.
S12, newly-increased picture is named and preserves with newly-increased data, form self-defining reference base picture.
Step s20, setting reference base picture, similarity threshold and background picture.Set reference base picture be have micro-
Laugh at, laugh, angry, sad, the angry, normal pictures of the particular emotion such as sleep soundly, yawn；Or can also be in abovementioned steps
The self-defining reference base picture that user sets.Similarity threshold is the trigger condition of automatic camera, only when preview screen and base
The similarity of quasi- picture reaches more than the similarity threshold of setting, just can trigger and carry out automatic camera.
Step s30, unlatching photographic head obtain preview screen.Drawn by the preview that photographic head obtains character facial to be taken pictures
Face.Described preview screen is additionally provided with background picture, and background picture is arranged in abovementioned steps s20, and background picture is, for example, to increase
Plus a cartoon figure takes a group photo, photo environment is substituted for the scene of magical castle etc.
The similarity of step s40, analysis preview screen and reference base picture.Specifically, face is carried out to described preview screen
Image recognition, determines the facial expression feature of described preview screen, judges that described preview screen is similar to described reference base picture
Whether degree reaches described similarity threshold.
Step s50, triggering automatic camera simultaneously preserve picture to memory space.Specifically, when preview screen and reference map
When the similarity of piece reaches similarity threshold, triggering is taken pictures and for preview screen to be shot for picture preservation.Further, take pictures and complete
Afterwards, after-treatment can also be carried out to background picture, for example, adjust resolution, color range, curve, replace the behaviour such as background texture
Make.
Step s60, judge whether that needs continue to catch grabgraf piece: if so, then return to step s30 and continue to obtain preview screen simultaneously
Repeat follow-up action；If it is not, then terminating.
Automatic photographing method based on face-image identification and the device of example offer are performed as described above, the setting that prestores first has
The reference base picture of specific facial expression and similarity threshold, as automatic camera condition, then utilize face-image to identify skill
Art, recognizes the various lovely expression of baby in preview screen, when the similarity of preview screen and reference base picture reaches similarity
During threshold value, triggering is taken pictures and for preview screen to be shot for picture preservation.The method and device are applied to catch and grab baby's lovely expression figure
Piece, device be aligned baby is obtained facial expression preview screen, during preview, once identifying the baby that user needs
Expression, will automatically generate photographing instruction, carry out preservation picture of taking pictures.In whole process, user as father and mother it is only necessary to
Do some settings at first, then just need not participate in, less set about machine with a straight end or camera is kept in baby at one's side, use
As long as family after a certain time, checks whether mobile phone or camera had photographed oneself satisfied photo, very convenient.The method
It is that the lovely expression occurring seizure baby's moment provides great convenience with device, and photographing instruction divides according to preview screen
Division is given birth to, and delay time of taking pictures is short, improves the quality of the photo of moment shooting.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
The above is only the specific embodiment of the application it is noted that ordinary skill people for the art
For member, on the premise of without departing from the application principle, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of automatic photographing method based on face-image identification is it is characterised in that include:
Set the reference base picture with specific facial expression and similarity threshold as automatic camera condition；
Obtain the preview screen of character facial to be taken pictures by photographic head；
Face-image identification is carried out to described preview screen, determines the facial expression feature of described preview screen, judge described pre-
Whether picture of looking at reaches described similarity threshold with the similarity of described reference base picture；
If described preview screen reaches described similarity threshold with the similarity of described reference base picture, trigger automatic camera.
2. the automatic photographing method based on face-image identification according to claim 1 is it is characterised in that described certain surface
Portion expression includes smile, laugh, angry, sad, angry, sleep soundly, yawn and User Defined express one's feelings.
3. the automatic photographing method based on face-image identification according to claim 1 is it is characterised in that described similarity
Threshold value is more than 70%.
4. the automatic photographing method based on face-image identification according to claim 1 is it is characterised in that described preview is drawn
Face is additionally provided with background picture.
5. a kind of Automatic camera based on face-image identification is it is characterised in that include:
Take pictures arranging unit, for setting the reference base picture with specific facial expression and similarity threshold as automatic camera
Condition；
Image acquisition unit, for obtaining the preview screen of character facial to be taken pictures by photographic head；
Image identification unit, for carrying out face-image identification to preview screen, determines the facial expression feature of preview screen, sentences
Whether disconnected preview screen reaches similarity threshold with the similarity of reference base picture；
Automatic camera unit, for when the similarity of preview screen and reference base picture reaches similarity threshold, triggering take pictures by
Preview screen is shot for picture and preserves.
6. the Automatic camera based on face-image identification according to claim 5 is it is characterised in that described certain surface
Portion expression includes smile, laugh, angry, sad, angry, sleep soundly, yawn and User Defined express one's feelings.
7. the Automatic camera based on face-image identification according to claim 5 is it is characterised in that described similarity
Threshold value is more than 70%.
8. the Automatic camera based on face-image identification according to claim 5 is it is characterised in that described preview is drawn
Face is additionally provided with background picture.
9. a kind of electronic equipment it is characterised in that include as arbitrary in claim 5-8 described based on face-image identification from
Dynamic camera arrangement.
10. electronic equipment according to claim 9 is it is characterised in that described electronic equipment is smart mobile phone or flat board electricity
Brain.
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| CN201610976038.1A CN106372627A (en) | 2016-11-07 | 2016-11-07 | Automatic photographing method and device based on face image recognition and electronic device |
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| CN107635110A (en) * | 2017-09-30 | 2018-01-26 | 维沃移动通信有限公司 | A kind of video interception method and terminal |
| CN108737729A (en) * | 2018-05-04 | 2018-11-02 | Oppo广东移动通信有限公司 | Automatic photographing method and device |
| CN108810401A (en) * | 2018-04-27 | 2018-11-13 | 上海爱优威软件开发有限公司 | Guide the method and system taken pictures |
| CN110163088A (en) * | 2019-04-10 | 2019-08-23 | 珠海市优质生活供应链管理有限公司 | A kind of system and method for pair of designated user's auto photographing |
| CN110191283A (en) * | 2019-06-03 | 2019-08-30 | 成都品果科技有限公司 | A kind of Intelligent photographing method and device |
| WO2019218111A1 (en) * | 2018-05-14 | 2019-11-21 | 合刃科技（武汉）有限公司 | Electronic device and photographing control method |
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| CN111279684A (en) * | 2018-05-07 | 2020-06-12 | 合刃科技（武汉）有限公司 | Shooting control method and electronic device |
| CN112422823A (en) * | 2020-11-09 | 2021-02-26 | 广汽本田汽车有限公司 | Automatic visual shooting triggering method and device |
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Application publication date: 20170201 |