VEHICLE VISION SYSTEM WITH ASYMMETRIC ANAMORPHIC LENS
First Claim
1. A vision system for a vehicle, said vision system comprising:
- a rear camera disposed at a rear portion of a vehicle and having an exterior field of view rearward of the vehicle, wherein said rear camera is operable to capture image data;
wherein said rear camera comprises a two dimensional imaging array of photosensing pixels;
wherein said rear camera comprises a lens system for imaging external sources of light at said imaging array;
wherein said lens system comprises at least one asymmetric anamorphic lens optic; and
an image processor operable to process image data captured by said rear camera, wherein said image processor is operable to detect objects rearward of the vehicle during a reversing maneuver of the vehicle.
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Abstract
A vision system for a vehicle includes a rear camera disposed at a rear portion of the vehicle and having an exterior field of view rearward of the vehicle. The rear camera includes an imaging array and a lens system for imaging external sources of light at the imaging array. The lens system includes at least one asymmetric anamorphic lens optic. The asymmetric anamorphic lens optic may include a longitudinally truncated conical-shaped lens optic. The longitudinal axis of the longitudinally truncated conical-shaped lens optic may be generally vertical when the rear camera is disposed at the rear portion of the vehicle, with a smaller diameter portion at an upper region of the optic and a larger diameter portion at a lower region of the optic.
30 Citations
20 Claims
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1. A vision system for a vehicle, said vision system comprising:
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a rear camera disposed at a rear portion of a vehicle and having an exterior field of view rearward of the vehicle, wherein said rear camera is operable to capture image data; wherein said rear camera comprises a two dimensional imaging array of photosensing pixels; wherein said rear camera comprises a lens system for imaging external sources of light at said imaging array; wherein said lens system comprises at least one asymmetric anamorphic lens optic; and an image processor operable to process image data captured by said rear camera, wherein said image processor is operable to detect objects rearward of the vehicle during a reversing maneuver of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A vision system for a vehicle, said vision system comprising:
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a rear camera disposed at a rear portion of a vehicle and having an exterior field of view rearward of the vehicle, wherein said rear camera is operable to capture image data; wherein said rear camera comprises a two dimensional imaging array of photosensing pixels; wherein said rear camera comprises a lens system for imaging external sources of light at said imaging array; wherein said lens system comprises at least one asymmetric anamorphic lens optic and wherein said at least one asymmetric anamorphic lens optic comprises at least one longitudinally truncated conical-shaped lens optic; wherein a longitudinal axis of said longitudinally truncated conical-shaped lens optic is generally vertical when said rear camera is disposed at the rear portion of the vehicle, and wherein, when said rear camera is disposed at the rear portion of the vehicle, an upper region of said longitudinally truncated conical-shaped lens optic has a smaller cross dimension and a lower region of said longitudinally truncated conical-shaped lens optic has a larger cross dimension; an image processor operable to process image data captured by said rear camera, wherein said image processor is operable to detect objects rearward of the vehicle during a reversing maneuver of the vehicle; and a display operable to display images representative of image data captured by said rear camera. - View Dependent Claims (18)
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19. A vision system for a vehicle, said vision system comprising:
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a front camera disposed at a forward portion of a vehicle and having an exterior field of view forward of the vehicle, wherein said front camera is operable to capture image data, and wherein said front camera comprises a two dimensional imaging array of photosensing pixels; a side camera disposed at each side of the vehicle and having a respective exterior field of view sideward of the vehicle, wherein each of said side cameras comprises an imaging array and a lens system comprising at least one asymmetric anamorphic lens optic, and wherein said image processor is operable to process image data captured by said side cameras; a rear camera disposed at a rear portion of a vehicle and having an exterior field of view rearward of the vehicle, wherein said rear camera is operable to capture image data, and wherein said rear camera comprises a two dimensional imaging array of photosensing pixels; wherein said rear camera comprises a lens system for imaging external sources of light at said imaging array; wherein said lens system comprises at least one asymmetric anamorphic lens optic and wherein said at least one asymmetric anamorphic lens optic comprises at least one longitudinally truncated conical-shaped lens optic; wherein a longitudinal axis of said longitudinally truncated conical-shaped lens optic is generally vertical when said rear camera is disposed at the rear portion of the vehicle; an image processor operable to process image data captured by said rear camera, wherein said image processor is operable to detect objects rearward of the vehicle during a reversing maneuver of the vehicle; and a display operable to display images representative of image data captured by said rear camera. - View Dependent Claims (20)
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Specification