Apparatus and method for detecting pupils
作者： Richard Earl Haven , David James Anvar , John Stewart Wenstrand , Julie Elizabeth Fouquet
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摘要: Methods and apparatus for pupil detection are described. First light is emitted from a first source at illumination angle relative to the axis of detector. Second second axis. The can have substantially equal intensities. greater than angle. Reflected reflected received difference between be determined. used detect pupils subject's eyes.
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