Method and apparatus for discriminating the colour of road markings
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United States of America Patent
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-
Nov 3, 2009
Grant Date -
Jun 16, 2005
app pub date -
Nov 5, 2004
filing date -
Nov 7, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of discriminating between road markings of at least two colors, comprises: capturing an image of a road and at least one road marking with a monochrome camera having a first color response in a first area of a field of view of the camera and a second color response in the second area of the field of view; and determining the change in intensity of the captured image of the road marking between the first and second areas. Apparatus for discriminating between road markings is also disclosed.
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