CN101163189A - Face image correcting method - Google Patents
Face image correcting method Download PDFInfo
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- CN101163189A CN101163189A CNA2006101171436A CN200610117143A CN101163189A CN 101163189 A CN101163189 A CN 101163189A CN A2006101171436 A CNA2006101171436 A CN A2006101171436A CN 200610117143 A CN200610117143 A CN 200610117143A CN 101163189 A CN101163189 A CN 101163189A
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Abstract
The invention provides a correction method for human face picture. The size of a face-collection frame is preset firstly and then the face-collection frame is used for face collection of a taken picture, the position of the two eyes of the human face picture in the face-collection frame can be determined, angle of the two eyes deviated from horizontal direction can be determined according to the position of the two eyes for corresponding correction, at last the ratio of the occupied area of the human face picture in the face-collection frame and the area of the face-collection frame can be calculated after correction, moreover, whether the ratio is in the preset scope can be determined; if no, the device of taking picture can be adjusted in correspondence to realize correction of the taken human face picture so that the human face picture can always be positive and has no inclination and the taken picture can meet the preset standard.
Description
Technical field
The present invention relates to a kind of face image correcting method.
Background technology
At present, for all kinds of certificate photographs following some requirement is arranged all:
A) facial image that photographs must be positive and can not tilt.
The area ratio in the shared zone of the facial image that b) photographs and the shared zone of whole photo should be within limited range, and is neither excessive, only little to guarantee the people's face in the photo.
C) placed in the middle about answer the position of the facial image that photographs in photo, slightly on the upper side.
Yet existing camera system does not have the function of automatic intercepting facial image, often manually draws frame to intercept facial image in the camera lens by operating personnel, so very easily causes human face region to account for the whole ratio of getting the face frame and is difficult to accurate assurance; Have again, existing camera system does not possess the function of automatic mensuration facial image inclined degree yet, be difficult to especially the image that tilts is carried out from dynamic(al) correction, and can not accurately be pointed out the photo angle of inclination that contains people's face, thereby, only whether inclination can cause error bigger with the human eye observed image, is difficult to take qualified and standard compliant certificate photograph.
Therefore, how to solve the shortcoming that has the camera system existence now and become the technical problem that the present technique field needs to be resolved hurrily in fact.
Summary of the invention
The object of the present invention is to provide a kind of face image correcting method, the facial image that photographs is proofreaied and correct realizing, make facial image be always positive and do not have inclination, thereby make captured photo meet preassigned.
In order to achieve the above object, the invention provides a kind of face image correcting method, it may further comprise the steps: 1) set as required and get the size of face frame, and adopt this to get the face frame image that comprises people's face that photographs is got the face operation; 2) determine described eyes position of getting the facial image in the face frame; 3) determine that according to the position of eyes eyes depart from the angle of horizontal direction, and carry out corresponding correction so that eyes maintenance level; 4) calculate described people's face area occupied and the described ratio of getting in the face frame of getting the area of face frame in calibrated back, and judge this ratio whether in preset range, if then end, execution in step 5 then if not); 5) device of the corresponding pickup image of adjusting.
Wherein, making the method for eyes maintenance level in the described step 3) is the image that rotation photographs, moreover described step 3) comprises that also one departs from the voice reminder step of horizontal direction angle.
In sum, face image correcting method of the present invention has been realized the function of people's face eyes location, can tilt to cause the situation of people's face inclination from dynamic(al) correction because of camera lens, sound prompt function also is provided simultaneously, realized the take pictures function of the present people's face of personnel inclination situation of accurate prompting, make the photo of shooting reach the demand of taking pictures, avoided the personnel's that to be taken the shortcoming of cooperating with on one's own initiative, also can take personalized people's face inclination photo as required.
Description of drawings
Fig. 1 is the operating process schematic diagram of face image correcting method of the present invention.
Embodiment
See also Fig. 1, face image correcting method of the present invention is mainly used in the camera system, it is execution in step S10 at first, set the size of getting the face frame as required, and adopt this to get the face frame image that comprises people's face that photographs is got the face operation, in the present embodiment, the user can set accordingly according to the requirement of different certificate photos, for example setting the length of getting the face frame is 60cm, wide is 40cm, adopt the face frame of getting of this 60*40 that the image that photographs is intercepted then, and make the part of being clipped comprise people's face, then execution in step S11.
In step S11, determine described position of getting the eyes of the facial image in the face frame, can discern to pick out eyes the described facial image of getting in the face frame by prior art, can determine the position of eyes then, then execution in step S12.
In step S12, determine that according to the position of eyes eyes depart from the angle of horizontal direction, and carry out corresponding correction so that eyes maintenance level, promptly compare by line and horizontal line with eyes, usually horizontal line adopts the horizontal coordinate of the whole picture that photographs to get final product, if calculating the line and the horizontal angle of eyes is 0, then the image of explanation shooting does not tilt, if aforementioned angle is not 0, the then rotatable image that photographs is so that eyes maintenance level, but also the described angle that departs from of voice reminder so that the person of being taken carry out the self position adjustment or the device of corresponding pickup image adjusted accordingly, wherein, during image rotating, with the central point of two lines is that the center of circle rotates whole picture so that described angle equals 0 gets final product, moreover, comprise also in this step that one departs from the voice reminder step of horizontal direction angle, being about to the described angle that departs from is played out by loudspeaker or sound equipment, the shooting personnel and the personnel that are taken just know the inclination situation of the people's face in the present camera lens, according to described voice reminder, corresponding personnel just can adjust accordingly, promptly taking personnel can proofread and correct the position of filming apparatus (for example video camera), and the personnel of being taken can adjust its posture, so that the image that was photographed no longer tilts, follow execution in step S13.
In step S13, calculate described people's face area occupied and the described ratio of getting in the face frame of getting the area of face frame in calibrated back, and judge that this ratio is whether in preset range, if then finish, execution in step S14 then if not, for example, if the ratio that calculates is 0.2, preset range is (0.7,0.8), illustrates that then taken facial image is too small, in addition, when described ratio is 0.9, illustrate that then taken facial image is then excessive, thereby all answer execution in step S14 to change the size of image.
In step S14, regulate the device of corresponding pickup image, in the present embodiment, the people's face that photographs can be become big so that described ratio is adjusted in the described preset range by adjusting focus of camera.
It should be noted that, because face image correcting of the present invention system can be rotated the image that photographs, therefore, also can take people's face inclination photo of corresponding personalization according to the personnel's of being taken needs, for example in described step S12, image rotation 30 degree of taking are got final product, no longer be described in detail at this.
Eventually the above, face image correcting method of the present invention has the function of determining the eyes position automatically, can be by the facial image that photographs being analyzed to obtain the inclination situation of facial image, and can give and corresponding prompting this situation, reach automatic prompting and initiatively adjusted to the purpose of relevant position by the personnel of taking pictures, also can be by correction to filming apparatus, make facial image present positive nonangular situation all the time, the manual intervention that has solved present personnel's camera system is many, the dissatisfactory shortcoming of the effect of taking pictures, make the photo of taking more accurate, more meet demand.
Claims (4)
1. face image correcting method is characterized in that may further comprise the steps:
1) size of face frame is got in setting as required, and adopts this to get the face frame image that comprises people's face that photographs is got the face operation;
2) determine described eyes position of getting the people's face in the face frame;
3) determine that according to the position of eyes eyes depart from the angle of horizontal direction, and carry out corresponding correction so that eyes maintenance level;
2. face image correcting method as claimed in claim 1 is characterized in that: the method that makes eyes maintenance level in the described step 3) is for rotating the image that photographs.
3. face image correcting method as claimed in claim 1 is characterized in that: comprise also in the described step 3) that one departs from the voice reminder step of horizontal direction angle.
4. face image correcting method as claimed in claim 1 is characterized in that: also comprise step after described step 3):
(1) calculates described people's face area occupied and the described ratio of getting in the face frame of getting the area of face frame in calibrated back, and judge this ratio whether in preset range, if then end, execution in step (2) then if not;
(2) device of the corresponding pickup image of adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101171436A CN101163189A (en) | 2006-10-13 | 2006-10-13 | Face image correcting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101171436A CN101163189A (en) | 2006-10-13 | 2006-10-13 | Face image correcting method |
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| CN101163189A true CN101163189A (en) | 2008-04-16 |
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| CNA2006101171436A Pending CN101163189A (en) | 2006-10-13 | 2006-10-13 | Face image correcting method |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103687A (en) * | 2009-12-22 | 2011-06-22 | 索尼公司 | Apparatus, method, and program for image processing |
| CN101656832B (en) * | 2008-08-18 | 2012-01-18 | 索尼株式会社 | Image processing apparatus, image processing method, and imaging apparatus |
| CN102542255A (en) * | 2011-12-06 | 2012-07-04 | Tcl集团股份有限公司 | Method, device and system for correcting face image |
| CN102694976A (en) * | 2011-03-24 | 2012-09-26 | 联想(北京)有限公司 | Method and apparatus for image collection |
| CN103035049A (en) * | 2012-12-12 | 2013-04-10 | 山东神思电子技术股份有限公司 | FPGA (Field Programmable Gate Array)-based face recognition entrance guard device and FPGA-based face recognition entrance guard method |
| WO2014040420A1 (en) * | 2012-09-12 | 2014-03-20 | 广东欧珀移动通信有限公司 | Method for automatically putting picture upright according to picture content in terminal device |
| CN104298973A (en) * | 2014-10-09 | 2015-01-21 | 北京工业大学 | Face image rotation method based on autoencoder |
| CN104754216A (en) * | 2015-03-06 | 2015-07-01 | 广东欧珀移动通信有限公司 | Photographing method and device |
| CN105279473A (en) * | 2014-07-02 | 2016-01-27 | 深圳Tcl新技术有限公司 | Face image correction method and device and face recognition method and system |
| CN107295258A (en) * | 2017-07-20 | 2017-10-24 | 上海骋旭信息技术有限公司 | Adjust method, device and the terminal device of camera lens module |
| CN107451555A (en) * | 2017-07-27 | 2017-12-08 | 安徽慧视金瞳科技有限公司 | A kind of hair based on gradient direction divides to determination methods |
| CN109993143A (en) * | 2019-04-10 | 2019-07-09 | 北京旷视科技有限公司 | Installation method, device, electronic equipment and the storage medium of image capture device |
| CN110992419A (en) * | 2019-10-13 | 2020-04-10 | 李萍 | Target big data occupied area detection platform and method |
| CN112932407A (en) * | 2021-01-29 | 2021-06-11 | 上海市内分泌代谢病研究所 | Face front calibration method and system |
| CN110168601B (en) * | 2017-04-20 | 2023-05-26 | 韩国斯诺有限公司 | Image correction method and system by analyzing correction mode |
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2006
- 2006-10-13 CN CNA2006101171436A patent/CN101163189A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656832B (en) * | 2008-08-18 | 2012-01-18 | 索尼株式会社 | Image processing apparatus, image processing method, and imaging apparatus |
| CN102103687A (en) * | 2009-12-22 | 2011-06-22 | 索尼公司 | Apparatus, method, and program for image processing |
| CN102694976A (en) * | 2011-03-24 | 2012-09-26 | 联想(北京)有限公司 | Method and apparatus for image collection |
| CN102542255A (en) * | 2011-12-06 | 2012-07-04 | Tcl集团股份有限公司 | Method, device and system for correcting face image |
| WO2014040420A1 (en) * | 2012-09-12 | 2014-03-20 | 广东欧珀移动通信有限公司 | Method for automatically putting picture upright according to picture content in terminal device |
| CN103035049A (en) * | 2012-12-12 | 2013-04-10 | 山东神思电子技术股份有限公司 | FPGA (Field Programmable Gate Array)-based face recognition entrance guard device and FPGA-based face recognition entrance guard method |
| CN105279473A (en) * | 2014-07-02 | 2016-01-27 | 深圳Tcl新技术有限公司 | Face image correction method and device and face recognition method and system |
| CN105279473B (en) * | 2014-07-02 | 2021-08-03 | 深圳Tcl新技术有限公司 | Face image correction method and device and face recognition method and system |
| CN104298973A (en) * | 2014-10-09 | 2015-01-21 | 北京工业大学 | Face image rotation method based on autoencoder |
| CN104298973B (en) * | 2014-10-09 | 2018-03-30 | 北京工业大学 | Facial image spinning solution based on self-encoding encoder |
| CN104754216A (en) * | 2015-03-06 | 2015-07-01 | 广东欧珀移动通信有限公司 | Photographing method and device |
| CN110168601B (en) * | 2017-04-20 | 2023-05-26 | 韩国斯诺有限公司 | Image correction method and system by analyzing correction mode |
| CN107295258A (en) * | 2017-07-20 | 2017-10-24 | 上海骋旭信息技术有限公司 | Adjust method, device and the terminal device of camera lens module |
| CN107451555A (en) * | 2017-07-27 | 2017-12-08 | 安徽慧视金瞳科技有限公司 | A kind of hair based on gradient direction divides to determination methods |
| CN107451555B (en) * | 2017-07-27 | 2020-08-25 | 安徽慧视金瞳科技有限公司 | Hair direction judging method based on gradient direction |
| CN109993143A (en) * | 2019-04-10 | 2019-07-09 | 北京旷视科技有限公司 | Installation method, device, electronic equipment and the storage medium of image capture device |
| CN109993143B (en) * | 2019-04-10 | 2021-09-17 | 北京旷视科技有限公司 | Installation method and device of image acquisition equipment, electronic equipment and storage medium |
| CN110992419A (en) * | 2019-10-13 | 2020-04-10 | 李萍 | Target big data occupied area detection platform and method |
| CN112932407A (en) * | 2021-01-29 | 2021-06-11 | 上海市内分泌代谢病研究所 | Face front calibration method and system |
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