CALIBRATING RANGE-FINDING SYSTEM USING PARALLAX FROM TWO DIFFERENT VIEWPOINTS AND VEHICLE MOUNTING THE RANGE-FINDING SYSTEM
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Abstract
A range-finding system includes two imaging devices to capture multiple images from two different viewpoints and a parallax calculator to calculate parallax based on the multiple images captured by the two imaging devices. The parallax calculator includes an estimation unit to estimate a correction value based on the amount of image deviation in a lateral direction corresponding to pixel position in the images captured by the two imaging devices and a correction unit to correct a pre-correction parallax or an image based on the correction value estimated by the estimation unit.
39 Citations
20 Claims
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1-5. -5. (canceled)
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6. A method comprising:
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calculating a disparity for each of multiple stereo images captured at different timing; and calculating a correction amount corresponding to image coordinates based on the disparity calculated for each of the multiple stereo images. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An apparatus comprising:
a correction unit to calculate a correction amount corresponding to image coordinates based on a disparity calculated for each of multiple stereo images captured at different timing. - View Dependent Claims (19, 20)
Specification