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    • 1. 发明授权
    • Eye tracking system
    • 眼睛跟踪系统
    • US06634749B1
    • 2003-10-21
    • US09830828
    • 2001-09-12
    • Euan MorrisonAlan Edward GreenNicholas Archibald Safford
    • Euan MorrisonAlan Edward GreenNicholas Archibald Safford
    • A61B314
    • A61B3/113G02B21/00G02B27/0093G03B13/02G03B2213/025G06K9/00604
    • An optical instrument is provided for forming a viewable image of an object. The optical instrument includes an objective lens for forming the viewable image at an image plane, an eyepiece through which the user can view the viewable image, an eye sensor for sensing the direction of gaze of a user, and means for controlling a function of the optical instrument depending on the gaze direction. The eye sensor includes a light source for outputting light through the eyepiece towards the user's eye, a lens for causing the light from the source to be collimated when it exits the eyepiece, an imaging transducer for imaging the user's eye through the eyepiece and for generating an electrical image signal, and processing means for processing the image signal to determine the location of the user's pupil center and the location of a reflection of the light source to determine the gaze direction information.
    • 提供了用于形成物体的可视图像的光学仪器。 光学仪器包括用于在图像平面处形成可视图像的物镜,用户可以通过该目镜观看可视图像的目镜,用于感测用户的注视方向的眼睛传感器,以及用于控制用户的功能的装置 光学仪器取决于注视方向。 眼传感器包括用于通过目镜向用户的眼睛输出光的光源,用于使来自源的光在其离开目镜时被准直的透镜,用于通过目镜成像用户的眼睛并用于产生 电子图像信号,以及用于处理图像信号以确定用户瞳孔中心的位置和光源的反射位置以确定凝视方向信息的处理装置。