CN102306288A - Multi-angle face image acquisition device and method - Google Patents
Multi-angle face image acquisition device and method Download PDFInfo
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- CN102306288A CN102306288A CN201110258894A CN201110258894A CN102306288A CN 102306288 A CN102306288 A CN 102306288A CN 201110258894 A CN201110258894 A CN 201110258894A CN 201110258894 A CN201110258894 A CN 201110258894A CN 102306288 A CN102306288 A CN 102306288A
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Abstract
The invention relates to a multi-angle face image acquisition device and method, belonging to the technical field of camera shooting. The device provided by the invention comprises a camera, a light source, a rotary seat, a retarding mechanism, a motor and a computer and is characterized in that the retarding mechanism is installed below the rotary seat; the retarding mechanism is connected with the rotating shaft of the motor; the retarding mechanism is driven by the motor to drive the rotary seat to make a horizontal rotation; the camera and the motor are respectively connected with the computer through data lines; the shooting of the camera and the rotation of the motor are controlled by the computer; a background is installed at the back of the rotary seat; and the camera and the light source are arranged in front of the rotary seat. The invention has the beneficial effects that the multi-angle face image acquisition device is provided; a rotation angle is controlled by the computer; and the accuracy of the angle is improved. Because a background environment is unchangeable, images shot by the camera at different angles are balanced so as to obtain the images with high quality, which is convenient for use of subsequent face angle recognition.
Description
Technical field
The present invention relates to the image acquisition field, relate in particular to a kind of multi-angle man face image acquiring device and method.
Background technology
When utilizing image to carry out the identification of personnel's facial pose, need set up a different angles servant's face-image storehouse, the corresponding definite personnel's facial pose of the image in the image library is so that the accuracy of checking recognizer.Different researchists adopts diverse ways to obtain image to set up this image library.The employing that has is fixed by the personnel of images acquired; Place a plurality of video cameras in different angles and carry out image acquisition; So need a plurality of cameras increase acquisition cost, and the background of images acquired also has very big difference, be unfavorable for the checking of follow-up facial pose recognition methods.The single camera of the employing that has; By the personnel of collection head light pen is being installed then; Allow made the method for different gauge points on the light pen irradiation wall come images acquired, can comprise a luminous point and light pen wearable device in the image of this method collection, also be unfavorable for follow-up use by collection people rotation head.
The device and method that application (patent) number is 200610111813.3, denomination of invention provides a kind of image acquisition for " a kind of method of image acquisition and application thereof ".The system of image acquisition comprises: video camera, optical reflection unit.Video camera and optical reflection unit are laid by predefined position and angle; Promptly place a plurality of video cameras and carry out image acquisition in different angles; So just need a plurality of cameras to increase acquisition cost; And the background of images acquired also has very big difference, is unfavorable for the checking of follow-up facial pose recognition methods.
Summary of the invention
In order to overcome the deficiency of prior art image-pickup method, the present invention provides a multi-angle man face image acquiring device and method, and this image collecting device automaticity is high, can gather high-quality image.
Technical scheme of the present invention is following:
A kind of multi-angle man face image acquiring device; Comprise video camera, light source, rotary seat, reducing gear, motor and computing machine; It is characterized in that below the rotary seat reducing gear being housed; Reducing gear is connected with motor rotation axis, is done to horizontally rotate by driven by motor reducing gear driven in rotation seat; Video camera is connected with computing machine through data line respectively with motor, by the shooting of computer control video camera and the rotation of motor; Rotary seat behind background, video camera and light source are positioned at rotary seat the place ahead.
Described background is a white background.
The incident ray of said light source becomes 90 degree angles with background.
Described reducing gear comprises bevel-gear sett and a pair of stud wheel, and wherein bevel pinion is fixed on the high speed shaft, and bevel gear wheel is fixed on transmission shaft upper end, bevel pinion and bevel gear wheel interlock mutually; Little stud wheel is fixed on the transmission shaft lower end, and big stud wheel is fixed on the slow-speed shaft lower end, little stud wheel and big stud wheel interlock mutually; Whole reducing mechanism is encapsulated in the casing, and casing external fixation rotary seat is stretched out in the slow-speed shaft upper end, and high speed shaft stretches out outside the casing and is connected with the rotation axis of motor.
Harvester of the present invention is placed in the room of no any other visible light in use; By the computer control motor rotary seat is rotated according to the anglec of rotation of setting, takes by the computer control video camera simultaneously.
Multi-angle man face image acquiring device of the present invention in use, its process is following:
1, reference object is sitting on the rotary seat; Face orientation is parallel to background plane; And keep health and women's head-ornaments portion posture motionless, and by computer control motor and reducing gear driven in rotation seat the reference object face is scanned by video camera, rotary seat rotates in 0-180 degree scope.
2, in the rotary seat rotation, video camera is taken reference object face, and passes image information back computing machine through data line and preserve, handle.
A kind of method of utilizing above-mentioned multi-angle man face image acquiring device to carry out work, step is following:
A. computer system initialization, computing machine show initial control interface, the image of the real-time shooting, collecting object of digital camera, and be presented on the control interface;
B. on the computer control panel; Input digit video camera acquisition parameters; Preestablish the digital camera acquisition parameters through computer system control software, be provided with according to resolution, time shutter, contrast, the white balance parameter of the needs of setting up image library to digital camera;
C. on the computer control panel, the accurate angle of the each rotation of input acquisition target is selected suitable radiation source simultaneously as required; Reference object is sitting on the rotary seat, and face orientation is parallel to background plane, and (the reference object lateral aspect of face is over against video camera.); Video camera is taken positive side image and the image transmission is saved in the computing machine;
D. begun to rotate by the computer control motor, do to horizontally rotate through reducing gear driven in rotation seat, the reference object face begins to turn to video camera;
E. whether the computer judges rotary seat forwards set angle to, if reach set angle then forward next step to, waits for and forward to step e otherwise delay time;
F. stop operating by the computer control motor;
G. video camera photographic images and image transmission is saved in the computing machine;
H. judge whether rotary seat has forwarded 180 degree to, and promptly reference object its facial another side after horizontally rotating if then forward next step to, otherwise forwards steps d over against camera position to;
I. video camera is taken another positive side image and the image transmission is saved in the computing machine; Finish to take.
Beneficial effect of the present invention:
Compared with prior art the invention has the beneficial effects as follows, a multi-angle man face image acquiring device is provided,, improve the accuracy of angle through the computer control anglec of rotation.Because background environment is constant, video camera is taken the image equalization of variant angle, can obtain high-quality image, is convenient to the use of follow-up face angle identification.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Wherein: 1 reference object, 2 rotary seats, 3 backgrounds, 4 reducing gears, 5 light sources, 6 video cameras, 7 data lines, 8 computing machines, 9 motors, 10 data lines.
Fig. 2 is the reducing gear structural representation, wherein: 11 high speed shafts, 12 slow-speed shafts, 13 bevel pinions, 14 bevel gear wheels, 15 casings, 16 big stud wheels, 17 little stud wheels, 18 transmission shafts.
Fig. 3 is the process flow diagram of the inventive method; Wherein a-i is its each step.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified, but be not limited thereto.
Embodiment 1:
The embodiment of the invention 1 is shown in Fig. 1-2: comprise video camera 6, light source 5, rotary seat 2, reducing gear 4, motor 9 and computing machine 8; It is characterized in that rotary seat 2 belows are equipped with reducing gear 4; Reducing gear 4 is connected with motor 9 rotation axiss, drives reducing gear 4 driven in rotation seats 2 by motor 9 and does to horizontally rotate; Video camera 6 is connected with computing machine 8 through data line 7,10 respectively with motor 9, by the shooting of computing machine 8 control video cameras 6 and the rotation of motor 9; Rotary seat 2 behind backgrounds 3, video camera 6 is positioned at rotary seat 2 the place aheads with light source 5.
Described background 3 is a white background.
3 one-tenth 90 degree of the incident ray of said light source 5 and background angle.
Described reducing gear 4 comprises bevel-gear sett and a pair of stud wheel, and wherein bevel pinion 13 is fixed on the high speed shaft 11, and bevel gear wheel 14 is fixed on transmission shaft 18 upper ends, bevel pinion 13 and bevel gear wheel 14 interlock mutually; Pillar gear 17 is fixed on transmission shaft 18 lower ends, and big stud wheel 16 is fixed on slow-speed shaft 12 lower ends, pillar gear 17 and big stud wheel 16 interlock mutually; Whole reducing mechanism 4 is encapsulated in 15 li of casings, and casing 15 external fixation rotary seats 2 are stretched out in slow-speed shaft 12 upper ends, and high speed shaft 11 stretches out outside the casing 15 and is connected with the rotation axis of motor 9.
Embodiment 2:
A kind of method of utilizing above-mentioned multi-angle man face image acquiring device to carry out work, as shown in Figure 3, step is following:
A. computer system initialization, computing machine show initial control interface, the image of the real-time shooting, collecting object of digital camera, and be presented on the control interface;
B. on the computer control panel; Input digit video camera acquisition parameters; Through computer system control software set digital camera acquisition parameters, be provided with according to resolution, time shutter, contrast, the white balance parameter of the needs of setting up image library to digital camera;
C. on the computer control panel, the accurate angle of the each rotation of input acquisition target is selected suitable radiation source simultaneously as required; Reference object is sitting on the rotary seat, and face orientation is parallel to background plane, and (the reference object lateral aspect of face is over against video camera.); Video camera is taken positive side image and the image transmission is saved in the computing machine;
D. begun to rotate by the computer control motor, do to horizontally rotate through reducing gear driven in rotation seat, the reference object face begins to turn to video camera;
E. whether the computer judges rotary seat forwards set angle to, if reach set angle then forward next step to, waits for and forward to step e otherwise delay time;
F. stop operating by the computer control motor;
G. video camera photographic images and image transmission is saved in the computing machine;
H. judge whether rotary seat has forwarded 180 degree to, and promptly reference object its facial another side after horizontally rotating if then forward next step to, otherwise forwards steps d over against camera position to;
I. video camera is taken another positive side image and the image transmission is saved in the computing machine; Finish to take.
Claims (5)
1. multi-angle man face image acquiring device; Comprise video camera, light source, rotary seat, reducing gear, motor and computing machine; It is characterized in that below the rotary seat reducing gear being housed; Reducing gear is connected with motor rotation axis, is done to horizontally rotate by driven by motor reducing gear driven in rotation seat; Video camera is connected with computing machine through data line respectively with motor, by the shooting of computer control video camera and the rotation of motor; Rotary seat behind background, video camera and light source are positioned at rotary seat the place ahead.
2. a kind of multi-angle man face image acquiring device as claimed in claim 1 is characterized in that described background is a white background.
3. a kind of multi-angle man face image acquiring device as claimed in claim 1 is characterized in that the incident ray of said light source becomes 90 degree angles with background.
4. a kind of multi-angle man face image acquiring device as claimed in claim 1; It is characterized in that described reducing gear comprises bevel-gear sett and a pair of stud wheel; Wherein bevel pinion is fixed on the high speed shaft, and bevel gear wheel is fixed on transmission shaft upper end, bevel pinion and bevel gear wheel interlock mutually; Little stud wheel is fixed on the transmission shaft lower end, and big stud wheel is fixed on the slow-speed shaft lower end, little stud wheel and big stud wheel interlock mutually; Whole reducing mechanism is encapsulated in the casing, and casing external fixation rotary seat is stretched out in the slow-speed shaft upper end, and high speed shaft stretches out outside the casing and is connected with the rotation axis of motor.
5. method of utilizing the described multi-angle man face image acquiring of claim 1 device to carry out work, step is following:
A. computer system initialization, computing machine show initial control interface, the image of the real-time shooting, collecting object of digital camera, and be presented on the control interface;
B. on the computer control panel; Input digit video camera acquisition parameters; Preestablish the digital camera acquisition parameters through computer system control software, be provided with according to resolution, time shutter, contrast, the white balance parameter of the needs of setting up image library to digital camera;
C. on the computer control panel, the accurate angle of the each rotation of input acquisition target is selected suitable radiation source simultaneously as required; Reference object is sitting on the rotary seat, and face orientation is parallel to background plane; Video camera is taken positive side image and the image transmission is saved in the computing machine;
D. begun to rotate by the computer control motor, do to horizontally rotate through reducing gear driven in rotation seat, the reference object face begins to turn to video camera;
E. whether the computer judges rotary seat forwards set angle to, if reach set angle then forward next step to, waits for and forward to step e otherwise delay time;
F. stop operating by the computer control motor;
G. video camera photographic images and image transmission is saved in the computing machine;
H. judge whether rotary seat has forwarded 180 degree to, and promptly reference object its facial another side after horizontally rotating if then forward next step to, otherwise forwards steps d over against camera position to;
I. video camera is taken another positive side image and the image transmission is saved in the computing machine; Finish to take.
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| CN201110258894A CN102306288A (en) | 2011-09-02 | 2011-09-02 | Multi-angle face image acquisition device and method |
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| CN201110258894A CN102306288A (en) | 2011-09-02 | 2011-09-02 | Multi-angle face image acquisition device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984188A (en) * | 2014-05-29 | 2014-08-13 | 周丹涛 | Multi-angle imaging shooting device |
| WO2015131712A1 (en) * | 2014-09-19 | 2015-09-11 | 中兴通讯股份有限公司 | Face recognition method, device and computer readable storage medium |
| CN107230419A (en) * | 2017-06-27 | 2017-10-03 | 天津天堰科技股份有限公司 | A kind of L-type platform for being used to learn human simulation through cave |
| CN108734152A (en) * | 2018-06-28 | 2018-11-02 | 北京云识图信息技术有限公司 | Personnel's basic information integral collecting device |
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| CN201159828Y (en) * | 2008-02-20 | 2008-12-03 | 四川省绵阳太古软件有限公司 | Integral full view image generating system |
| CN201607607U (en) * | 2010-01-29 | 2010-10-13 | 于辉 | Panoramic view imager |
| CN202196427U (en) * | 2011-09-02 | 2012-04-18 | 山东轻工业学院 | Multi-angle human face image collecting device |
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| CN1595280A (en) * | 2004-07-01 | 2005-03-16 | 上海交通大学 | Three-dimensional human face rebuilding system on rotating platform |
| CN201159828Y (en) * | 2008-02-20 | 2008-12-03 | 四川省绵阳太古软件有限公司 | Integral full view image generating system |
| CN201607607U (en) * | 2010-01-29 | 2010-10-13 | 于辉 | Panoramic view imager |
| CN202196427U (en) * | 2011-09-02 | 2012-04-18 | 山东轻工业学院 | Multi-angle human face image collecting device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984188A (en) * | 2014-05-29 | 2014-08-13 | 周丹涛 | Multi-angle imaging shooting device |
| WO2015131712A1 (en) * | 2014-09-19 | 2015-09-11 | 中兴通讯股份有限公司 | Face recognition method, device and computer readable storage medium |
| CN105488371A (en) * | 2014-09-19 | 2016-04-13 | 中兴通讯股份有限公司 | Face recognition method and device |
| US10311291B2 (en) | 2014-09-19 | 2019-06-04 | Zte Corporation | Face recognition method, device and computer readable storage medium |
| CN105488371B (en) * | 2014-09-19 | 2021-04-20 | 中兴通讯股份有限公司 | Face recognition method and device |
| CN107230419A (en) * | 2017-06-27 | 2017-10-03 | 天津天堰科技股份有限公司 | A kind of L-type platform for being used to learn human simulation through cave |
| CN108734152A (en) * | 2018-06-28 | 2018-11-02 | 北京云识图信息技术有限公司 | Personnel's basic information integral collecting device |
| CN108734152B (en) * | 2018-06-28 | 2024-03-08 | 北京云识图信息技术有限公司 | Personnel basic information integrated acquisition device |
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Application publication date: 20120104 |