Camera calibration apparatus
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United States of America Patent
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Sep 23, 2014
Grant Date -
Sep 8, 2011
app pub date -
Jan 24, 2011
filing date -
Mar 2, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, a camera calibration apparatus includes: a plurality of on-vehicle cameras; a feature point detection section that identifies an image of lines representing a parking frame from each of images by the plurality of cameras and detects two feature points; a viewpoint conversion section that generate an overhead view having a viewpoint from just above the vehicle based on the feature points and two directions crossing each other at each of the feature points; and an adjustment section that determines the boundary position between the vehicle and line image from the overhead view to determine the display frame of a vehicle image and changes the overhead view such that the size ratio and position of the display frame become previously specified values.
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