发明名称 |
APPARATUS AND METHOD FOR ACQUIRING HIGH QUALITY EYE IMAGES FOR IRIS RECOGNITION |
摘要 |
The present invention provides a method for acquiring high quality eye images, comprising the steps of: dividing a camera mode for eye image acquisition into a pre-photographing mode and a main photographing mode, comparing the degree of eye capture, actual eye, resolution, contrast ratio, noise level, degree of the face staring at a lens, location of the pupil in the eye, and the degree of exposure of the iris in the eye, etc., with a preset reference quality condition to evaluate the quality of eye images acquired in the pre-photographing mode, and switching the pre-photographing mode into the main photographing mode if the preset reference quality condition is satisfied; taking a plurality of eye images in the main photographing mode, ending the main photographing mode if the preset condition for ending the main photographing mode is satisfied, and setting a candidate group from the stored plurality of images; comparing the images with the preset reference quality condition if no candidate group is set, and returning to the main photographing mode or pre-photographing mode in accordance with the result of the comparison; and selecting final images from the candidate group if the candidate group is set. |
申请公布号 |
WO2010071329(A3) |
申请公布日期 |
2010.08.19 |
申请号 |
WO2009KR07418 |
申请日期 |
2009.12.11 |
申请人 |
IRITECH INC.;CHOI, HYEONG IN;KIM, DAE HOON;LEE, SUNG JIN;MOON, HWAN PYO;KWON, SONG HWA;PAIK, SEUNG MIN;SOHN, JUNG KYO |
发明人 |
CHOI, HYEONG IN;KIM, DAE HOON;LEE, SUNG JIN;MOON, HWAN PYO;KWON, SONG HWA;PAIK, SEUNG MIN;SOHN, JUNG KYO |
分类号 |
G06K9/00;H04N5/225 |
主分类号 |
G06K9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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