Image sensing system for a vehicle
DC CAFCFirst Claim
1. An image sensing system for a vehicle, said image sensing system comprising:
- an imaging sensor;
said imaging sensor comprising a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate;
said imaging sensor disposed at an interior portion of the vehicle proximate the windshield of the vehicle, said imaging sensor being supported by a mounting structure fixedly attached to an interior surface of the vehicle windshield so as to physically fixedly position said imaging sensor within the interior cabin of the vehicle and close to and rearward of the windshield;
said imaging sensor having a fixed field of view to the exterior of the vehicle through a window of the vehicle, the field of view encompassing the road traveled by the vehicle;
a logic and control circuit;
said logic and control circuit comprising an image processor for processing image data derived from said imaging sensor;
said image processing comprising at least one of (i) spatial differentiation, and (ii) pattern recognition; and
wherein said image sensing system detects objects external of the vehicle associated with the road traveled by the vehicle and present in the field of view of said imaging sensor, said image sensing system detecting objects by processing said image data to identify objects based on at least one of (i) spatial differentiation, and (ii) pattern recognition, said image sensing system generating at least one control output responsive to said detection of objects.
3 Assignments
Litigations
3 Petitions
Accused Products
Abstract
An image sensing system for a vehicle includes an imaging sensor and a logic and control circuit. The imaging sensor comprises a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate and is disposed at an interior portion of the vehicle proximate the windshield of the vehicle and has a forward field of view to the exterior of the vehicle through an area of the windshield. The logic and control circuit comprises an image processor for processing image data derived from the imaging sensor. The logic and control circuit generates at least one control output. The image sensing system detects lane markers on a road being traveled by the vehicle and present in the field of view of the imaging sensor.
471 Citations
59 Claims
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1. An image sensing system for a vehicle, said image sensing system comprising:
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an imaging sensor; said imaging sensor comprising a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate; said imaging sensor disposed at an interior portion of the vehicle proximate the windshield of the vehicle, said imaging sensor being supported by a mounting structure fixedly attached to an interior surface of the vehicle windshield so as to physically fixedly position said imaging sensor within the interior cabin of the vehicle and close to and rearward of the windshield; said imaging sensor having a fixed field of view to the exterior of the vehicle through a window of the vehicle, the field of view encompassing the road traveled by the vehicle; a logic and control circuit; said logic and control circuit comprising an image processor for processing image data derived from said imaging sensor; said image processing comprising at least one of (i) spatial differentiation, and (ii) pattern recognition; and wherein said image sensing system detects objects external of the vehicle associated with the road traveled by the vehicle and present in the field of view of said imaging sensor, said image sensing system detecting objects by processing said image data to identify objects based on at least one of (i) spatial differentiation, and (ii) pattern recognition, said image sensing system generating at least one control output responsive to said detection of objects. - 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)
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24. An image sensing system for a vehicle, said image sensing system comprising:
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an imaging sensor; said imaging sensor comprising a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate; said imaging sensor disposed at an interior portion of the vehicle proximate the windshield of the vehicle, said imaging sensor being supported by a mounting structure fixedly attached to an interior surface of the vehicle windshield so as to physically fixedly position said imaging sensor within the interior cabin of the vehicle and close to and rearward of the windshield; said imaging sensor having a fixed field of view to the exterior of the vehicle through a window of the vehicle, the field of view encompassing the road traveled by the vehicle; a logic and control circuit, wherein at least one of (i) said array of light sensing photosensor elements and (ii) at least a portion of said logic and control circuit is formed on said semiconductor substrate as a CMOS device; said logic and control circuit comprising an image processor for processing image data derived from said imaging sensor; said image processing comprising at least one of (i) spatial differentiation, and (ii) pattern recognition; wherein said image sensing system detects objects external of the vehicle associated with the road traveled by the vehicle and present in the field of view of said imaging sensor, said image sensing system generating at least one control output responsive to a detection of objects. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. An image sensing system for a vehicle, said image sensing system comprising:
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an imaging sensor; said imaging sensor comprising a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate; said imaging sensor disposed at an interior portion of the vehicle proximate the windshield of the vehicle, said imaging sensor being supported by a mounting structure fixedly attached to an interior surface of the vehicle windshield so as to physically fixedly position said imaging sensor within the interior cabin of the vehicle and close to and rearward of the windshield; a logic and control circuit; said logic and control circuit comprising an image processor for processing image data derived from said imaging sensor; wherein said image sensing system detects objects present in the field of view of said imaging sensor, said image sensing system generating at least one control output responsive to a detection of objects; and wherein said image processing comprises pattern recognition and wherein said pattern recognition identifies objects of interest based on at least one of (i) shape, (ii) size, (iii) contour, and (iv) motion, and wherein said image sensing system detects objects by processing said image data to identify objects of interest based on at least one of (i) spatial differentiation, and (ii) pattern recognition. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. An image sensing system for a vehicle, said image sensing system comprising:
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an imaging sensor; said imaging sensor comprising a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate as a CMOS device; said imaging sensor disposed at an interior portion of the vehicle proximate the windshield of the vehicle and wherein said interior portion is at or proximate to an interior rearview mirror assembly of the vehicle, said imaging sensor being supported by a mounting structure fixedly attached to an interior surface of the vehicle windshield so as to physically fixedly position said imaging sensor within the interior cabin of the vehicle and close to and rearward of the windshield; a logic and control circuit; said logic and control circuit comprising an image processor for processing image data derived from said imaging sensor; wherein said image sensing system detects objects present in the field of view of said imaging sensor, said image sensing system generating at least one control output responsive to a detection of objects; wherein said image processing comprises pattern recognition and wherein said pattern recognition identifies objects of interest based on at least one of (i) shape, (ii) size, (iii) contour, and (iv) motion, and wherein said image sensing system detects objects by processing said image data to identify objects based on at least one of (i) spatial differentiation, and (ii) pattern recognition; and wherein said field of view has a horizontal field of view and a vertical field of view and wherein said horizontal field of view is wider than said vertical field of view. - View Dependent Claims (46, 47, 48, 49, 50, 51, 52)
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53. An image sensing system for a vehicle, said image sensing system comprising:
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an imaging sensor; said imaging sensor comprising a two-dimensional array of light sensing photosensor elements formed on a semiconductor substrate; said imaging sensor disposed at an interior portion of the vehicle proximate the windshield of the vehicle and wherein said interior portion is at or proximate to an interior rearview mirror assembly of the vehicle, said imaging sensor being supported by a mounting structure fixedly attached to an interior surface of the vehicle windshield so as to physically fixedly position said imaging sensor within the interior cabin of the vehicle and close to and rearward of the windshield; said imaging sensor having a fixed field of view to the exterior of the vehicle through a window of the vehicle, the field of view encompassing the road traveled by the vehicle; a logic and control circuit; said logic and control circuit comprising an image processor for processing image data derived from said imaging sensor; wherein said image sensing system detects objects external of the vehicle associated with the road traveled by the vehicle and present in the field of view of said imaging sensor, said image sensing system generating at least one control output responsive to a detection of objects; wherein said image processing comprises pattern recognition; wherein said image sensing system identifies objects of interest and wherein object recognition is enhanced by comparing identified objects over successive frames, and wherein said image sensing system detects objects of interest by processing said image data to identify objects of interest based on at least one of (i) spatial differentiation, and (ii) pattern recognition; and wherein said field of view has a horizontal field of view and a vertical field of view and wherein said horizontal field of view is wider than said vertical field of view. - View Dependent Claims (54, 55, 56, 57, 58, 59)
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Specification