Method and system for pupil detection for security applications

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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Bibliographic Details
Main Authors HAVEN RICHARD E, FOUQUET JULIE E, CORZINE SCOTT W
Format Patent
LanguageEnglish
Published 18.05.2010
Subjects
CALCULATING
COLORIMETRY
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
RADIATION PYROMETRY
TESTING
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Summary: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.
Bibliography:Application Number: US20040843512