CN108833771A - A kind of portrait patterned lines generation method, system and device - Google Patents
A kind of portrait patterned lines generation method, system and device Download PDFInfo
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- CN108833771A CN108833771A CN201810503753.2A CN201810503753A CN108833771A CN 108833771 A CN108833771 A CN 108833771A CN 201810503753 A CN201810503753 A CN 201810503753A CN 108833771 A CN108833771 A CN 108833771A
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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
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/181—Segmentation; Edge detection involving edge growing; involving edge linking
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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
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30196—Human being; Person
- G06T2207/30201—Face
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- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses a kind of portrait patterned lines generation method, system and device, methods to include：Obtain the original image of input；The detection of portrait feature is carried out to original image, obtains characteristic；According to characteristic, model data is calculated；According to model data, patterned lines are drawn out on the original image, obtain final image.The present invention passes through according to the characteristic for calculating various portraits, to realize the generation to different portrait image composition lines, it can effectively help cameraman to complete the portrait image shooting for meeting input picture portrait composition aesthetic feeling, greatly improve the applicability to portrait image.It the composite can be widely applied in photography applications.
Description
Technical field
The present invention relates to technical field of image processing more particularly to a kind of portrait patterned lines generation methods, system and device.
Background technique
With the universal of intelligent mobile terminal such as mobile phone, plate etc. and rapidly develop, take pictures effect of the user to mobile terminal
Fruit requirement is higher and higher, and the camera function of mobile terminal is also stronger and stronger, and hardware device imaging effect is greatly improving, and such as takes the photograph
As head resolution ratio, size sensor, camera lens etc., but user is when holding the extraordinary mobile terminal of hardware, because without base
The photographic knowledge of plinth, it is not ideal enough for taking the photo effect come.
In the prior art, the shooting technology of mobile terminal is in order to assist user's composition, usually used nine grids patterned lines, and nine
Palace lattice figure line is only used for the Position Approximate guided user setting target image in view-finder and takes pictures, to obtain having certain
Target image is such as retained in centre to obtain the image of frame-type patterning effect, target image is protected by the image of mode of composition
It holds and is taken pictures in three grid of bottom to obtain the image of trichotomy patterning effect, but is this when being directed to portrait image
Compare fixed patterned lines to be not necessarily applicable in, patterning effect is poor.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of portrait patterned lines generations for improving applicability
Method, system and device.
The technical solution adopted by the present invention is that：
A kind of portrait patterned lines generation method, includes the following steps：
Obtain the original image of input；
The detection of portrait feature is carried out to original image, obtains characteristic；
According to characteristic, model data is calculated；
According to model data, patterned lines are drawn out on the original image, obtain final image.
As a kind of further improvement of portrait patterned lines generation method, the characteristic includes eyes spy
Levy data, eyebrow characteristic, mouth feature data and portrait outer profile characteristic.
It is described according to characteristic as a kind of further improvement of portrait patterned lines generation method, it calculates
Obtain model data, the step for specifically include：
According to eye feature data, canthus characteristic is calculated；
According to eyebrow characteristic, two eyebrow central feature data of portrait are calculated；
According to mouth feature data, the mouth central feature data of portrait are calculated；
According to portrait outer profile characteristic, outer profile ellipse framework is calculated, elliptic parameter is obtained.
As a kind of further improvement of portrait patterned lines generation method, the patterned lines include portrait eye water
Horizontal line, portrait face central axes and portrait face mask line.
It is described according to model data as a kind of further improvement of portrait patterned lines generation method, in original
Draw out patterned lines on beginning image, obtain final image, the step for specifically include：
According to canthus characteristic, portrait eye horizontal line is drawn on the original image；
According to two eyebrow central feature data and mouth central feature data, portrait face axis is drawn on the original image
Line；
According to elliptic parameter, portrait face mask line is drawn on the original image；
According to original image, portrait eye horizontal line, portrait face central axes and portrait face mask line, finally schemed
Picture.
Another technical solution of the present invention is：
A kind of portrait patterned lines generation system, including：
Image acquisition unit, for obtaining the original image of input；
Characteristic detection unit obtains characteristic for carrying out the detection of portrait feature to original image；
Data Computation Unit, for model data to be calculated according to characteristic；
Drawing unit, for drawing out patterned lines on the original image, obtaining final image according to model data.
The further improvement of system is generated as a kind of portrait patterned lines, the characteristic includes eyes spy
Levy data, eyebrow characteristic, mouth feature data and portrait outer profile characteristic.
The further improvement of system is generated as a kind of portrait patterned lines, the Data Computation Unit specifically wraps
It includes：
Canthus feature calculation unit, for canthus characteristic to be calculated according to eye feature data；
Place between the eyebrows feature calculation unit, for two eyebrow central feature data of portrait to be calculated according to eyebrow characteristic；
Mouth center calculation unit, for the mouth central feature data of portrait to be calculated according to mouth feature data；
Profile calculation unit, for calculating outer profile ellipse framework, obtaining oval ginseng according to portrait outer profile characteristic
Number.
The further improvement of system is generated as a kind of portrait patterned lines, the patterned lines include portrait eye water
Horizontal line, portrait face central axes and portrait face mask line；
The drawing unit specifically includes：
Eye horizontal line drawing unit, for it is horizontal to draw portrait eye on the original image according to canthus characteristic
Line；
Face's central axes drawing unit is used for according to two eyebrow central feature data and mouth central feature data, original
Portrait face central axes are drawn on image；
Contour line drawing unit, for drawing portrait face mask line on the original image according to elliptic parameter；
Final image unit, for according to original image, portrait eye horizontal line, portrait face central axes and portrait face
Contour line obtains final image.
Another technical solution of the present invention is：
A kind of portrait patterned lines generating means, including：
Memory, for storing program；
Processor, for executing described program, it is raw that described program makes the processor execute the portrait patterned lines
At method.
The beneficial effects of the invention are as follows：
A kind of portrait patterned lines generation method of the present invention, system and device according to the characteristic of various portraits by calculating
Model data out can effectively help cameraman to complete to meet input to realize the generation to different portrait image composition lines
The portrait image of image portrait composition aesthetic feeling is shot, and greatly improves the applicability to portrait image.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of portrait patterned lines generation method of the present invention；
Fig. 2 is the block diagram that a kind of portrait patterned lines of the present invention generate system.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing：
With reference to Fig. 1, a kind of portrait patterned lines generation method includes the following steps：
Obtain the original image of input；
The detection of portrait feature is carried out to original image, obtains characteristic；
According to characteristic, model data is calculated；
According to model data, patterned lines are drawn out on the original image, obtain final image.
In the embodiment of the present invention, the portrait feature detection obtains determining for human face five-sense-organ using ERT algorithm using main
Position is to obtain characteristic.
Be further used as preferred embodiment, the characteristic include eye feature data, eyebrow characteristic,
Mouth feature data and portrait outer profile characteristic.
It is further used as preferred embodiment, it is described that model data is calculated according to characteristic, the step for
It specifically includes：
According to eye feature data, canthus characteristic is calculated；
According to eyebrow characteristic, two eyebrow central feature data of portrait are calculated；
According to mouth feature data, the mouth central feature data of portrait are calculated；
According to portrait outer profile characteristic, outer profile ellipse framework is calculated, elliptic parameter is obtained.
It is further used as preferred embodiment, the patterned lines include portrait eye horizontal line, portrait face central axes
With portrait face mask line.
It is further used as preferred embodiment, it is described that patterned lines are drawn out according to model data on the original image,
Obtain final image, the step for specifically include：
According to canthus characteristic, portrait eye horizontal line is drawn on the original image；
According to two eyebrow central feature data and mouth central feature data, portrait face axis is drawn on the original image
Line；
According to elliptic parameter, portrait face mask line is drawn on the original image；
According to original image, portrait eye horizontal line, portrait face central axes and portrait face mask line, finally schemed
Picture.
With reference to Fig. 2, a kind of portrait patterned lines of the present invention generate system, including：
Image acquisition unit, for obtaining the original image of input；
Characteristic detection unit obtains characteristic for carrying out the detection of portrait feature to original image；
Data Computation Unit, for model data to be calculated according to characteristic；
Drawing unit, for drawing out patterned lines on the original image, obtaining final image according to model data.
Be further used as preferred embodiment, the characteristic include eye feature data, eyebrow characteristic,
Mouth feature data and portrait outer profile characteristic.
It is further used as preferred embodiment, the Data Computation Unit specifically includes：
Canthus feature calculation unit, for canthus characteristic to be calculated according to eye feature data；
Place between the eyebrows feature calculation unit, for two eyebrow central feature data of portrait to be calculated according to eyebrow characteristic；
Mouth center calculation unit, for the mouth central feature data of portrait to be calculated according to mouth feature data；
Profile calculation unit, for calculating outer profile ellipse framework, obtaining oval ginseng according to portrait outer profile characteristic
Number.
It is further used as preferred embodiment, the patterned lines include portrait eye horizontal line, portrait face central axes
With portrait face mask line；
The drawing unit specifically includes：
Eye horizontal line drawing unit, for it is horizontal to draw portrait eye on the original image according to canthus characteristic
Line；
Face's central axes drawing unit is used for according to two eyebrow central feature data and mouth central feature data, original
Portrait face central axes are drawn on image；
Contour line drawing unit, for drawing portrait face mask line on the original image according to elliptic parameter；
Final image unit, for according to original image, portrait eye horizontal line, portrait face central axes and portrait face
Contour line obtains final image.
A kind of portrait patterned lines generating means of the present invention, including：
Memory, for storing program；
Processor, for executing described program, it is raw that described program makes the processor execute the portrait patterned lines
At method.
From the foregoing it can be that the present invention passes through according to the characteristic for calculating various portraits, to realize to difference
The generation of portrait image patterned lines can effectively help cameraman to complete the portrait image for meeting input picture portrait composition aesthetic feeling
Shooting, greatly improves the applicability to portrait image.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of portrait patterned lines generation method, which is characterized in that include the following steps：
Obtain the original image of input；
The detection of portrait feature is carried out to original image, obtains characteristic；
According to characteristic, model data is calculated；
According to model data, patterned lines are drawn out on the original image, obtain final image.
2. a kind of portrait patterned lines generation method according to claim 1, it is characterised in that：The characteristic includes
Eye feature data, eyebrow characteristic, mouth feature data and portrait outer profile characteristic.
3. a kind of portrait patterned lines generation method according to claim 2, it is characterised in that：It is described according to characteristic
According to, be calculated model data, the step for specifically include：
According to eye feature data, canthus characteristic is calculated；
According to eyebrow characteristic, two eyebrow central feature data of portrait are calculated；
According to mouth feature data, the mouth central feature data of portrait are calculated；
According to portrait outer profile characteristic, outer profile ellipse framework is calculated, elliptic parameter is obtained.
4. a kind of portrait patterned lines generation method according to claim 2 or 3, it is characterised in that：The patterned lines include
Portrait eye horizontal line, portrait face central axes and portrait face mask line.
5. a kind of portrait patterned lines generation method according to claim 4, it is characterised in that：It is described according to pattern number
According to, draw out patterned lines on the original image, obtain final image, the step for specifically include：According to canthus characteristic,
Portrait eye horizontal line is drawn on original image；
According to two eyebrow central feature data and mouth central feature data, portrait face central axes are drawn on the original image；
According to elliptic parameter, portrait face mask line is drawn on the original image；
According to original image, portrait eye horizontal line, portrait face central axes and portrait face mask line, final image is obtained.
6. a kind of portrait patterned lines generate system, which is characterized in that including：
Image acquisition unit, for obtaining the original image of input；
Characteristic detection unit obtains characteristic for carrying out the detection of portrait feature to original image；
Data Computation Unit, for model data to be calculated according to characteristic；
Drawing unit, for drawing out patterned lines on the original image, obtaining final image according to model data.
7. a kind of portrait patterned lines according to claim 6 generate system, it is characterised in that：The characteristic includes
Eye feature data, eyebrow characteristic, mouth feature data and portrait outer profile characteristic.
8. a kind of portrait patterned lines according to claim 7 generate system, it is characterised in that：The Data Computation Unit tool
Body includes：
Canthus feature calculation unit, for canthus characteristic to be calculated according to eye feature data；
Place between the eyebrows feature calculation unit, for two eyebrow central feature data of portrait to be calculated according to eyebrow characteristic；
Mouth center calculation unit, for the mouth central feature data of portrait to be calculated according to mouth feature data；
Profile calculation unit, for calculating outer profile ellipse framework, obtaining elliptic parameter according to portrait outer profile characteristic.
9. a kind of portrait patterned lines according to claim 7 or 8 generate system, it is characterised in that：The patterned lines include
Portrait eye horizontal line, portrait face central axes and portrait face mask line；
The drawing unit specifically includes：
Eye horizontal line drawing unit, for drawing portrait eye horizontal line on the original image according to canthus characteristic；
Face's central axes drawing unit is used for according to two eyebrow central feature data and mouth central feature data, in original image
Upper drafting portrait face central axes；
Contour line drawing unit, for drawing portrait face mask line on the original image according to elliptic parameter；Final image list
Member, for finally being schemed according to original image, portrait eye horizontal line, portrait face central axes and portrait face mask line
Picture.
10. a kind of portrait patterned lines generating means, which is characterized in that including：
Memory, for storing program；
Processor, for executing described program, described program executes the processor such as any one of Claims 1 to 5 institute
The portrait patterned lines generation method stated.
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| CN201810503753.2A CN108833771A (en) | 2018-05-23 | 2018-05-23 | A kind of portrait patterned lines generation method, system and device |
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| CN201810503753.2A CN108833771A (en) | 2018-05-23 | 2018-05-23 | A kind of portrait patterned lines generation method, system and device |
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Cited By (1)
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| CN110436281A (en) * | 2019-07-29 | 2019-11-12 | 恒大智慧科技有限公司 | A kind of method, system and computer storage medium that more elevators call |
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Application publication date: 20181116 |