Surgery – Diagnostic testing – Eye or testing by visual stimulus
Patent
1996-08-07
1998-08-18
Hindenberg, Max
Surgery
Diagnostic testing
Eye or testing by visual stimulus
A61B 1300
Patent
active
057953066
ABSTRACT:
A bodily state detection apparatus comprising a CCD camera, an infrared LED device, a pickup image memory, a pupil extraction circuit and a bodily state judgment circuit. The CCD camera inputs images of a predetermined area including the subject person's face. The infrared LED device illuminates the subject person in such a way that the optical axis of the camera and the direction of the illumination coincide with each other. The pickup image memory stores temporarily the output data of the CCD camera. The pupil extraction circuit extracts the subject person's pupil position from the pickup images. The bodily state judgment circuit judges the subject person's bodily state by use of the result of pupil extraction performed by the pupil extraction circuit.
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Nishida Minoru
Okada Akira
Okawa Futoshi
Satake Toshihide
Shimotani Mitsuo
Hindenberg Max
Mitsubishi Denki & Kabushiki Kaisha
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