VISUAL AXIS DETECTING METHOD AND DEVICE

VISUAL AXIS DETECTING METHOD AND DEVICE

PROBLEM TO BE SOLVED: To provide a method and device simply and precisely finding a distance between a camera and a face and easily finding the visual axis direction. SOLUTION: An imaging system is provided with the camera for photographing the face and the eyes, and a light source of infrared rays...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIMATA AKIHITO, ADI SHAVIT, DANA SIEGAL, KNAAN DOTAN, TAKAHASHI AKIO, ICHIHASHI YOSHIO, KAMINSKI JEREMY, SUZUKI KAZUFUMI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DIAGNOSIS
ELECTRIC DIGITAL DATA PROCESSING
HANDLING RECORD CARRIERS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SURGERY
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method and device simply and precisely finding a distance between a camera and a face and easily finding the visual axis direction. SOLUTION: An imaging system is provided with the camera for photographing the face and the eyes, and a light source of infrared rays or the like illuminating the eyes. The system is characterized in including steps of: finding the central point of a pupil, finding the central point of a corneal ball, and finding the direction of a vector heading from the central point of the corneal ball to the central point of the pupil, and in using data of morphological knowledge for the step of finding the central point of the pupil. COPYRIGHT: (C)2005,JPO&NCIPI