发明名称 Method for determining distances in the anterior ocular segment
摘要 The invention relates to a method for determining distances in the anterior ocular segment, preferably of the pupils and/or the diameter of the iris, wherein the image of at least part of the eye is recorded and digitized using an imaging device and an array for illuminating the eye. On the basis of said digital image, a center of gravity analysis and the determination of the central point are carried out, especially for the position of the pupils, by conducting an intensity and threshold analysis as rough determination. Based on said rough determination, a fine detection of the position of the edges of the pupil and/or the edges of the iris is carried out. Additionally, the angle between the visual axis and the optical axis of the eye can be determined from the position of a fixed reflection to the center of the pupil and/or the center of the iris.
申请公布号 US7284858(B2) 申请公布日期 2007.10.23
申请号 US20030468241 申请日期 2003.08.18
申请人 CARL ZEISS MEDITEC AG 发明人 BERGNER ROLAND;BARTH ROLAND;DOERING AXEL;BEHREND FRANK;VOIGT KLAUS-DITMAR
分类号 A61B3/10;A61B3/11;A61B3/113 主分类号 A61B3/10
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