CN107301413A - A kind of method and easy device for gathering facial image - Google Patents
A kind of method and easy device for gathering facial image Download PDFInfo
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- CN107301413A CN107301413A CN201710344988.7A CN201710344988A CN107301413A CN 107301413 A CN107301413 A CN 107301413A CN 201710344988 A CN201710344988 A CN 201710344988A CN 107301413 A CN107301413 A CN 107301413A
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- face
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- posture
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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
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
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- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
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- Processing Or Creating Images (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kind of method and apparatus of light-weight face's IMAQ, for solving when carrying out man face image acquiring, human face posture is nonstandard, the problem of collection face is excessively complicated.It includes：People's general model is determined according to face characteristic；The shape and size scope for the curved support frame that the face standard form is corrected and supported is determined according to people's general model；Face center is determined according to the faceform；According to the vertical height of the face center, the height and adjustable extent of the curved support frame are determined；Electron collection equipment optical center point is determined according to the face center；The height of electron collection equipment support is highly determined according to the optical center point；The controllable scope of the electron collection equipment support is determined according to the face support frame controllable scope.Using the present invention, in that context it may be convenient to correct human face posture, and be rapidly performed by man face image acquiring.
Description
Technical field
The present invention relates to IMAQ field, more particularly to a kind of man face image acquiring method and apparatus.
Background technology
With the arrival in big data epoch, the demand to view data is increasing, it is desirable to more and more higher.And at present we
The mode of collection view data is acquired two ways generally by existing image data base and collecting device.Network
Existing image data base is because content, the reason in terms of quality etc., the need for many times not reaching us.And according to need
Collection in worksite is carried out often because the limitation of acquisition method and harvester does not reach preferable effect, and inefficiency.
Facial image research is attention rate highest in current image technique research field, one of most directions of research number,
Collection for facial image is just particularly important.
For conventional face's IMAQ, the height build of people is different, and the habits and customs formed for a long time cause head pose
It is lack of standardization, in the case where not adjusting head pose and electron collection equipment, often be present deviation in the image of collection, do not reach
Our requirement.And go artificial correction human face posture and adjustment electron collection equipment position considerably increase time cost with
Human cost.
We have proposed a kind of method, an easy device has been invented, can be simple during collection facial image,
Specification, quickly collects preferable human face data.
The content of the invention
It is an object of the invention to the shortcoming and deficiency for overcoming prior art, there is provided a kind of man face image acquiring method and dress
Put, to solve to carry out shortcoming and defect present in man face image acquiring process.
The purpose of the present invention is achieved through the following technical solutions：
The implementation process of the present invention is in two steps：
The first step is correction human face posture, its method：
According to face characteristic, people's general model is determined.
According to people's general model, with reference to human body aesthetic, propose that one kind can stablize head, correct the support of human face posture
Frame.
Support frame and face contact portion are curved, wrap up face chin portion.Height is concordant with lip.The design is first
Not to the excessive constraint of face, different shape face can be coordinated；Secondly deformation will not be caused to facial state.
Face support frame is Height Adjustable, and is carved with yardstick, is adjusted for different height crowds.
Second step is man face image acquiring, its method：
Electron collection equipment supporter is Height Adjustable, and is carved with yardstick, can be synchronous in vertical direction with face support frame
Determine the people's general model central point M corrected
Determine electron collection equipment optical center point N
By adjusting support frame, point M and point N is set to be on same trunnion axis.
MN horizontal range is fixed into 80cm by we.
Focal length is carried out to electron collection equipment to debug in advance, determines face in whole picture with situation according to the actual requirements
Ratio.
After fixing focal length, you can carry out man face image acquiring.
It is habitual in view of the level height of the particularity of acquisition target, i.e. face, and sitting posture, it is proposed that having one
Fixed height, the enterprising pedestrian's face data acquisition of support platform of certain structure.
This platform is easy to that face support frame and electron collection equipment supporter is fixed, so that forming one has entirety
The human face data harvester of structure, improves portability and convenience.
In addition, the structure design of platform hommization, can improve the security of whole harvester, lifting acquisition target
Comfort level.
The present invention has the following advantages and effect relative to prior art：
Correct human face posture method to propose, the posture for having corrected face of high degree is not carried out relative to head
The method of any constraint is compared, and all the time on an horizontal axis, head will not occur partially for face center and electron collection equipment
Move, eyes will not be squinted.This can significantly reduce the time and efforts spent because of adjustment acquisition target posture lack of standardization.
The device global design, with simplification and convenience, particularly secures MN horizontal range, is presetting Jiao
Away under, we directly can be carried out face collecting work, drastically increase collecting efficiency and facial image effect
Brief description of the drawings
Fig. 1 is the schematic diagram for correcting human face posture support frame
Fig. 2 is the structural representation of the present invention
Fig. 3 is the overall three-dimensional artificial figure of the present invention
Fig. 4 is the method flow diagram of the collection standard faces pose presentation of the present invention
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment one.
As shown in figure 1, illustrating human face posture correcting unit, C is face support frame.Correct and make in C upper part arc
Under, human face posture can reach the standard that we set.M points are face center.
As shown in Fig. 2 illustrating human face image collecting device, wherein A represents to correct the face support frame of human face posture, is
Correct human face posture unit；B represents electron collection equipment, and C is 1/4 connecting bolt, and D represents electron collection equipment support,
BCD
Constitute image acquisition units；E represents adjustable height M6 bolts, forms controllable altimetric cell；F is apart from ground
There is the paralell of certain altitude, be the platform unit with certain altitude；M is face center, and N is electron collection equipment camera lens
Central point, MN is on a horizontal line.
A is fixed in F planes, in another side, and B and D are connected by bolt C, are then attached in F planes, face passes through A
After correction, its central point M and B optical center point MN are on a horizontal plane, it is necessary to AD common regulation.AD is designed with
The E bolts of height are adjusted, necessary regulation is carried out according to actual conditions.All it is designed with the uniformity of height, BC to adjust
Identical scale.
After BC is adjusted, further according to different requirements, the focal length for carrying out A is debugged in advance, has debugged focal length, and fixed burnt
Away from.
After debugging efforts are finished, you can proceed by man face image acquiring work.
Embodiment two.
The device of facial image can be gathered present embodiment discloses a kind of, described device includes：Correct human face posture list
Member, the correction human face posture unit is used to correct human face posture, man face image acquiring unit, the facial image stimulating unit
The facial image of posture has been corrected for gathering；Controllable altimetric cell, the controllable altimetric cell is directed to different bodies
High acquisition target, adjusts the relative altitude between the correction human face posture unit and the man face image acquiring unit；It is flat
Platform unit, the platform unit fixes the correction human face posture unit and the man face image acquiring unit, and causes the two
Possesses a certain distance.
Included in addition using a kind of method of collection standard faces pose presentation of the device：
People's general model is determined according to face characteristic；According to the curved features of people's general model chin, lip
The height in portion, and different face differences, determine the curved support frame that the face standard form is corrected and supported
Shape and size scope；Face center is determined according to the faceform；According to the face center vertical height,
The height of the curved support frame is determined, and according to individual height differences, determines the controllable model of face support frame height
Enclose；Electron collection equipment optical center point is determined according to the face center, made in the face center and the camera lens
Heart point is in a horizontal plane；The height of electron collection equipment support is highly determined according to the optical center point；According to institute
The controllable scope that face support frame controllable scope determines the electron collection equipment support is stated, it is kept synchronous.
Wherein described people's general model, including：Eyes, nose, face, the position of face contour and size dimension.
And it is described to determine face center, including：Central point and nose point, are determined between determining two
The central point of central point and nose point, is used as the face center between described two.
In addition the shape and size model for the curved support frame that the face standard form is corrected and supported is determined
Enclose, including：Cambered top end is parallel with people's general model lip, and the radian and width of arc meet human body aesthetic design,
Arc keeps certain free degree.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (5)
1. a kind of can gather the device of facial image, it is characterised in that described device includes：
Human face posture unit is corrected, the correction human face posture unit is used to correct human face posture,
Man face image acquiring unit, the facial image stimulating unit is used to gather the facial image for having corrected posture；
Controllable altimetric cell, the controllable altimetric cell is directed to the acquisition target of different heights, adjusts the correction face
Relative altitude between posture unit and the man face image acquiring unit；
Platform unit, the platform unit fixes the correction human face posture unit and the man face image acquiring unit, and makes
Obtain the two and possess a certain distance.
2. a kind of method for gathering standard faces pose presentation, it is characterised in that methods described includes：
People's general model is determined according to face characteristic；
According to the curved features of people's general model chin, the height of lip, and different face differences are determined to institute
State the shape and size scope for the curved support frame that face standard form is corrected and supported；
Face center is determined according to the faceform；
According to the face center vertical height, the height of the curved support frame is determined, and according to individual height differences,
Determine the controllable scope of face support frame height；
Electron collection equipment optical center point is determined according to the face center, made in the face center and the camera lens
Heart point is in a horizontal plane；
The height of electron collection equipment support is highly determined according to the optical center point；
The controllable scope of the electron collection equipment support is determined according to the face support frame controllable scope, it is protected
Hold synchronization.
3. method according to claim 2, it is characterised in that described people's general model, including：
Eyes, nose, face, the position of face contour and size dimension.
4. method according to claim 2, it is characterised in that described to determine face center, including：
Central point and nose point between determining two, are determined between described two in central point and nose point
Heart point, is used as the face center.
5. method according to claim 2, it is characterised in that determine and the face standard form is corrected and propped up
The shape and size scope of the curved support frame of support, including：
Cambered top end is parallel with people's general model lip, and the radian and width of arc meet human body aesthetic design, arc
Keep certain free degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344988.7A CN107301413A (en) | 2017-05-16 | 2017-05-16 | A kind of method and easy device for gathering facial image |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710344988.7A CN107301413A (en) | 2017-05-16 | 2017-05-16 | A kind of method and easy device for gathering facial image |
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| CN107301413A true CN107301413A (en) | 2017-10-27 |
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| CN201710344988.7A Pending CN107301413A (en) | 2017-05-16 | 2017-05-16 | A kind of method and easy device for gathering facial image |
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Application publication date: 20171027 |
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