首页> 外国专利> PUPIL DETECTION SYSTEM, GAZE DETECTION SYSTEM, PUPIL DETECTION METHOD, AND PUPIL DETECTION PROGRAM

PUPIL DETECTION SYSTEM, GAZE DETECTION SYSTEM, PUPIL DETECTION METHOD, AND PUPIL DETECTION PROGRAM

机译:小学生检测系统,凝视检测系统,小学生检测方法和小学生检测程序

摘要

A pupil detection system according to an embodiment includes a vector calculation unit configured to calculate a plurality of candidate vectors each connecting a corneal sphere center and a pupil center by a stereo method based on a first pupil image of a subject which is picked up by a first camera and a second pupil image of the subject which is picked up by a second camera, and a determination unit configured to select, from among the plurality of candidate vectors, a candidate vector satisfying a vector condition in which an angle between the pupil center and a reference line is equal to or less than a predetermined threshold and determine that a pupil is located at a pupil center corresponding to the selected candidate vector. The corneal sphere center is an intersection point between an axis passing through the first camera and a corneal reflection point obtained from the first pupil image and an axis passing through the second camera and a corneal reflection point obtained from the second pupil image.
机译:根据实施例的瞳孔检测系统包括向量计算单元,该向量计算单元被配置为基于由被摄体拍摄的被摄体的第一瞳孔图像,通过立体方法计算分别连接角膜球心和瞳孔中心的多个候选向量。第一相机和由第二相机拍摄的被摄体的第二瞳孔图像,以及确定单元,其被配置为从多个候选矢量中选择满足矢量条件的候选矢量,其中瞳孔中心之间的角度基准线等于或小于预定阈值,并确定瞳孔位于与所选候选矢量对应的瞳孔中心。角膜球中心是穿过第一照相机的轴和从第一瞳孔图像获得的角膜反射点与穿过第二照相机的轴和从第二瞳孔图像获得的角膜反射点之间的交点。

著录项

  • 公开/公告号EP3153092A4

    专利类型

  • 公开/公告日2018-01-24

    原文格式PDF

  • 申请/专利号EP20150807498

  • 发明设计人 EBISAWA YOSHINOBU;

    申请日2015-05-12

  • 分类号A61B3/11;A61B3/113;G06K9;G06T7/73;G06T7/593;

  • 国家 EP

  • 入库时间 2022-08-21 13:17:05

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