System and method for defining a search window
First Claim
1. A method for defining a search window to search a region of interest for processing a road image, the search window having a longitudinal orientation directed according to the height of the image and being laterally delimited by two edges, wherein said method comprises the steps of:
- adapting a shape of the search window to the road configuration by defining at least one non-vertical portion on at least one of the edges; and
positioning said non-vertical portion such that it is situated at least partially in a transitional area of the image between a road carriageway and the sky.
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Accused Products
Abstract
A system and method for defining a window to search a region of interest for processing a road image, the search window having a longitudinal orientation directed according to the height of the image and being laterally delimited by two edges. The shape of the search window is adapted to the road configuration by defining at least one non-vertical portion on one of the edges. A preferred application is the processing of road images for determining visibility distances in foggy weather.
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Citations
32 Claims
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1. A method for defining a search window to search a region of interest for processing a road image, the search window having a longitudinal orientation directed according to the height of the image and being laterally delimited by two edges, wherein said method comprises the steps of:
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adapting a shape of the search window to the road configuration by defining at least one non-vertical portion on at least one of the edges; and positioning said non-vertical portion such that it is situated at least partially in a transitional area of the image between a road carriageway and the sky. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A system for improving a driver'"'"'s ability to navigate a road vehicle, said system comprising:
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an image system for capturing a road image; means for defining a search window to search a region of interest for processing a road image, said search window having a longitudinal orientation directed according to the height of the image and being laterally delimited by two edges; processor means for adapting a shape of the search window to the road configuration by defining at least one non vertical portion on at least one of the edges and in that this non-vertical portion is positioned such that it is situated at least partially in a transitional area of the image between a road carriageway and the sky. - View Dependent Claims (29, 30, 31, 32)
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Specification