这种全新系统被命名为“视觉电话”，它可以定位瞳孔相对于手机屏幕的位置，使用者只要眨一眨眼，就可浏览手机功能菜单。
The new system, called "EyePhone," tracks the position of one's pupil relative to the screen and lets users browse through mobile phone menus at the blink of an eye.
采用二值化的方法获得瞳孔的粗定位的参数后，由于瞳孔和虹膜的外边缘近视为同心圆，该参数可用作提取虹膜外边缘的基础。
After finding parameter of coarse location, the inner and outer circle can be got based on the parameter because the circle of pupil and circle of iris nearly have the same center.
采用二值化的方法获得瞳孔的粗定位的参数后，由于瞳孔和虹膜的外边缘近视为同心圆，该参数可用作提取虹膜外边缘的基础。
After finding parameter of coarse location, the inner and outer circle can be got based on the parameter because the circle of pupil and circle of iris nearly have the same center.
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