Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2005-12-23
2008-09-09
Bugg, George A (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S937000, C382S103000, C382S118000, C382S287000, C382S296000, C382S195000
Reexamination Certificate
active
07423540
ABSTRACT:
A method of detecting the state of an operator of a vehicle utilizes a low-cost operator state detection system having no more than one camera located preferably in the vehicle and directed toward a driver. A processor of the detection system processes preferably three points of the facial feature of the driver to calculate head pose and thus determine driver state (i.e. distracted, drowsy, etc.). The head pose is generally a three dimensional vector that includes the two angular components of yaw and pitch, but preferably not roll. Preferably, an output signal of the processor is sent to a counter measure system to alert the driver and/or accentuate vehicle safety response.
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Horprasert T et al: “Computing 3-D head sequence” Automatic Face and Gesture Recognition, 1996., Proceeding of the Second International Conference on Killington, VT, USA Oct. 14-16, 1996, Los Alamitos, CA, Oct. 14, 1996, pp. 242-247, XP010200427 ISBN: 0-8186-7713-9 *the whole document*.
Bugg George A
Delphi Technologies Inc.
Funke Jimmy L.
Tang Son M
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