CALIBRATION CIRCUIT FOR AUTOMATICALLY CALIBRATING A VIEW IMAGE AROUND A CAR AND METHOD THEREOF
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United States of America Patent
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Issued Date -
Jun 21, 2012
app pub date -
Jun 20, 2011
filing date -
Dec 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of automatically calibrating a view image around a car includes installing at least one camera at front side, rear side, left side, and right side of the car respectively, obtaining a size of the car and location information of the at least four cameras, setting a plurality of reference points corresponding to each camera of the at least four cameras, utilizing one camera of the at least four cameras to capture a fisheye image including the plurality of reference points corresponding to the one camera, executing fisheye correction on the fisheye image to generate a corrected fisheye image, determining whether an image center of the camera is located within a predetermined range according to the corrected fisheye image, and performing a corresponding operation according to a determination result.
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