Driving assistance system
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United States of America Patent
Stats
-
Apr 14, 2009
Grant Date -
Sep 22, 2005
app pub date -
Mar 8, 2005
filing date -
Mar 17, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A driver's gaze distribution is detected. Based on the detected distribution, an image corresponding to a driver's visual-field is extracted from images photographed by a front monitor camera and is accumulated. A first driver's gaze probability distribution necessary for steering operation is computed based on the accumulated images, and a second driver's gaze probability distribution that is expected is computed based on visual characteristics within the images. An ideal gaze probability distribution is obtained by adding up the first and the second probability distributions. Presence of a risk is determined when the difference between the driver's gaze and the ideal gaze probability distribution becomes a given threshold. A windshield display or a speaker outputs the determined result.
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Family
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