Imaging device for autonomously movable body, calibration method therefor, and calibration program therefor
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United States of America Patent
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Nov 2, 2010
Grant Date -
Aug 28, 2003
app pub date -
Jan 23, 2003
filing date -
Jan 23, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An imaging device installed on an autonomously movable body which comprises an image-taking section for taking images of the surrounding environment, and an object detecting section for detecting objects and obstacles by processing the obtained images. The imaging device comprises: an image processing section to perform color detection of the images taken by the image-taking section; a white calibration plate for the image-taking section to perform color correction; and a calibration plate control section for moving the calibration plate into a field of view of the image-taking section, wherein it is determined whether color information which is sufficient to perform color detection is obtainable from the images taken by the image-taking section, and color correction is performed using the calibration plate when it is determined that the images taken by the image-taking section do not provide color information sufficient to perform color detection.
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