DROWSINESS WARNING DEVICE
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United States of America Patent
Stats
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N/A
Issued Date -
Mar 20, 2014
app pub date -
Dec 5, 2012
filing date -
Sep 14, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A drowsiness warning device includes a storage unit storing a drowsiness warning program, an image capturing unit, a processing unit and an output unit. The processing unit loads and processes the drowsiness warning program and the drowsiness warning program enables the processing unit to perform steps comprising: receiving a sequence of images captured by the image capturing unit; performing an image analyzing step to each of the images; performing a determining step based on results of the image analyzing step to determine if a driver is drowsy; and driving the output unit to create a warning message if the determining result shows that the driver is drowsy. The image analyzing step includes analyzing a degree of curvature of an upper eyelid in each of the images.
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