System and method for range measurement of a preceding vehicle
First Claim
1. A system for determining range of a vehicle, the system comprising:
- a camera configured to view a region of interest including the vehicle and generate an electrical image of the region;
a processor in electrical communication with the camera to receive the electrical image, wherein the processor is configured to construct a plurality of objects indicative of potential vehicle locations, calculate a relationship corresponding to an expected road pixel value, and perform a comparison between object pixel values located proximate the objects and the expected road pixel value.
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Abstract
A system for determining range and lateral position of a vehicle is provided. The system includes a camera and a processor. The camera is configured to view a region of interest including the vehicle and generate an electrical image of the region. The processor is in electrical communication with the camera to receive the electrical image. The processor analyzes the image by identifying objects and determining a relationship corresponding to the expected pixel values at various locations on the road. The processor calculates a value indicative of the validity that an object is a vehicle by comparing the pixel values of the object with the expected pixel values based on the relationship. A score is determined based on the comparison indicating the likelihood that certain characteristics of the electrical image actually correspond to the vehicle.
98 Citations
18 Claims
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1. A system for determining range of a vehicle, the system comprising:
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a camera configured to view a region of interest including the vehicle and generate an electrical image of the region;
a processor in electrical communication with the camera to receive the electrical image, wherein the processor is configured to construct a plurality of objects indicative of potential vehicle locations, calculate a relationship corresponding to an expected road pixel value, and perform a comparison between object pixel values located proximate the objects and the expected road pixel value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification