Passive infra-red guidance system
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Feb 18, 2020
Grant Date -
Nov 14, 2019
app pub date -
Mar 18, 2019
filing date -
Mar 18, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A passive infra-red guidance system and method for augmenting operation of an autonomous vehicle on a roadway includes at least one forward-looking infra-red imaging sensor mounted on the vehicle in operative communication with an image processor tied into the vehicle's operational system. The system determines the left and right edges of the roadway using thermal imaging, and then determines the centerline of the travel lane in which the vehicle is travelling based on the determined left and right edges of the roadway. The system then compares the determined centerline of the travel lane with the actual position of the vehicle and identifies any adjustment needed for the vehicle's position based on the comparison. The left and right edge determination may comprise identifying a difference between a thermal signature representative of the roadway and a thermal signature representative of a non-roadway portion that is located proximate to the roadway portion.
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