Apparatus and method for measuring distances
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Sep 26, 2002
app pub date -
Feb 5, 2001
filing date -
Feb 5, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention detects distances between cars through image processing. A car ahead is detected from an image taken by one camera and a relative positional relation between the detected vehicle and road edges is detected. On the other hand, a three-dimensional road structure is reconstructed from the image taken by one camera. Then, taking into account the relative positional relation in the image between the vehicle and road edges, the position of the vehicle on the reconstructed three-dimensional road structure is determined. Then, the distance from the camera to the vehicle in the real space is measured through arithmetic operations. By focusing the range of performing image processing in one image, it is possible to reduce the amount of data handled.
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