Vehicle lane position detection system

Details Vehicle lane position detection system Vehicle lane position detection system

1992-08-12

1994-09-27

Crosland, Donnie L.

Communications: electrical

External condition vehicle-mounted indicator or alarm

340903, 340937, 340942, 340436, 340687, 382 34, 382 35, 382 65, 348135, G08G 100, G06K 968

Patent

active

053510445

ABSTRACT:
A low cost, real time vehicle lane position detection system is provided for determining and maintaining the position of the vehicle on a highway. The system comprises an image sensor mounted on the front of an automotive vehicle and an integrated processor for performing real-time lane mark detection. The sensor/processor system identifies highway lane marks on the detector image plane by using a nonlinear resistive network for detecting outliers. A line detection algorithm, such as the Hough transform, is used to determine the lane marks from the outliers on the image plane. Because the expected lane position can be determined in advance, an added degree of signal-to-noise discrimination is achieved by providing feedback to the processor for outlier detection. The position of the vehicle in the lane is determined and tracked from the position of the detected lane marks on the image plane given the sensor position and optical geometry.

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Hutchinson et al., "Computing Motion Using Analog and Binary Resistive Networks," Computer, pp. 52-63, Mar. 1988.
J. G. Harris, S. C. Liu, and B. Mathur, "Discarding Outliers Using a Nonlinear Resistive Network," International Conference on Neural Networks (IEEE), vol. 1, pp. 501-506, Jul. 8, 1991.

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