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, angle of the face when an object to be photographed stares 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 from the pre-photographing mode to the main photographing mode if the preset reference quality condition is satisfied; capturing a plurality of eye images in the main photographing mode, finishing the main photographing mode if the preset condition for finishing 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 US2012062720(A1) 申请公布日期 2012.03.15
申请号 US200913140396 申请日期 2009.12.11
申请人 CHOI HYEONG IN;KIM DAE HOO;LEE SUNG JIN;MOON HWAN PYO;KWON SONG HWA;PAIK SEUNG MIN;SOHN JUNG KYO 发明人 CHOI HYEONG IN;KIM DAE HOO;LEE SUNG JIN;MOON HWAN PYO;KWON SONG HWA;PAIK SEUNG MIN;SOHN JUNG KYO
分类号 H04N7/18 主分类号 H04N7/18
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