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1. 发明公开

EP1126403A2 Automated, non-invasive iris recognition system and method 失效
标题翻译：系统和Verfahren zur automatischen，unzudringlichen Iriserkennung
公开(公告)号：EP1126403A2
公开(公告)日：2001-08-22
申请号：EP01201449.4
申请日：1995-09-05
申请人： Sensar Inc.
发明人： Wildes, Richard Patrick , Asmuth, Jane Circle , Hanna, Keith James , Hsu, Stephen Charles , Kolczynski, Raymond Joseph , Matey, James Regis , McBride, Sterling Eduard
IPC分类号： G06K9/00
CPC分类号： G06K9/00 , G06K9/00597 , G06K9/3216 , G07C9/00158
摘要： Iris recognition is achieved by iris acquisition that permits a user to self-position his or her eye (216) into an imager's (200) field of view without the need for any physical contact, spatially locating the data defining that portion of a digitised video image of the user's eye that defines solely the iris thereof without any initial spatial condition of the iris being provided , and pattern matching the spatially located data defining the iris of the user's eye with stored data defining a model iris by employing normalised spatial correlation for first comparing, at each of a plurality of spatial scales, each of distinctive spatial characteristics of the respective irises that are spatially registered with one another to quantitatively determine, at each of the plurality of spatial scales, a goodness value of match at that spatial scale, and then judging whether or not the pattern which manifests solely the iris of the user's eye matches the digital data which manifests solely the model iris in accordance with a certain combination of the quantitatively-determined goodness values of match at each of said plurality of spatial scales.
摘要翻译：虹膜识别通过虹膜获取实现，其允许用户将他或她的眼睛（216）自我定位成成像仪的（200）视场，而不需要任何物理接触，空间定位定义数字化视频的那部分的数据用户眼睛的图像，其仅定义虹膜，而没有提供虹膜的任何初始空间条件，并且通过使用归一化的空间相关性来将定义用户眼睛的虹膜的空间定位的数据与定义模型虹膜的存储的数据进行模式匹配比较在多个空间尺度中的每个空间尺度上彼此空间对准的每个虹膜的独特空间特征，以在所述多个空间尺度中的每一个在所述空间尺度上定量地确定匹配的良好值，然后判断仅仅显示用户眼睛的虹膜的图案是否与纯粹显示的数字数据相匹配根据所述多个空间尺度中的每一个的所述定量确定的匹配值的一定组合来建模虹膜。

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