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US07720264B2 Method and system for pupil detection for security applications 有权
用于安全应用的瞳孔检测的方法和系统

Method and system for pupil detection for security applications
Abstract:
An object to be detected is illuminated by a single broadband light source or multiple light sources emitting light at different wavelengths. The light is captured by an imager, which includes a light-detecting sensor covered by a hybrid filter.
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