Stereo calibration apparatus and stereo image monitoring apparatus using the same
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United States of America Patent
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Dec 25, 2007
Grant Date -
Nov 25, 2004
app pub date -
Mar 12, 2004
filing date -
Mar 13, 2003
priority date (Note) -
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Abstract
The stereo calibration apparatus includes an image input device inputting an image from each of two image pickup devices, a straight-line detector detecting at least four straight lines from each of two input images, a straight-line correspondence detector detecting at least four sets of corresponding lines by using an image feature in a neighboring area of the straight line, and a transformation matrix calculator calculating a transformation matrix between two image pickup devices from the sets of corresponding lines.
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