Vision-based headlamp aiming
First Claim
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1. A vision-based method for aiming a vehicle headlamp, comprising:
- scanning the headlamp with a vision system to identify the headlamp optical axis indicia;
determining at least the height of the headlamp optical axis based on the location of the optical axis indicia;
positioning a beamsetter in alignment with the headlamp optical axis, based at partially on the determined height; and
aiming the headlamp with the beamsetter.
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Abstract
A method for accurately aiming vehicle headlamps, with apparatus for practicing the method. A vision system, including a digital camera, is positioned in front of a headlamp, in communication with a control device. The control device employs pattern recognition to identify the optical axis indicia within the headlamp, and based on the identified location of that indicia, the control system accurately aligns a beamsetter with the optical axis of the headlamp.
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Citations
9 Claims
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1. A vision-based method for aiming a vehicle headlamp, comprising:
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scanning the headlamp with a vision system to identify the headlamp optical axis indicia; determining at least the height of the headlamp optical axis based on the location of the optical axis indicia; positioning a beamsetter in alignment with the headlamp optical axis, based at partially on the determined height; and aiming the headlamp with the beamsetter. - View Dependent Claims (2, 3)
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4. A vision-based method for aiming a vehicle headlamp, comprising:
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positioning a vision system in front of the headlamp; scanning the headlamp with a vision system to identify the headlamp optical axis indicia; communicating the headlamp optical axis indicia location information to a control system; determining at least the height of the headlamp optical axis based on the location of the optical axis indicia; positioning a beamsetter in alignment with the headlamp optical axis, based at partially on the determined height; and aiming the headlamp with the beamsetter. - View Dependent Claims (5, 6)
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7. A headlamp aiming system for a vehicle, comprising:
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a control system for receiving, communicating, and processing data; a vision system configured to identify an optical axis reference mark on the headlamp, the vision system including a camera; a beamsetter, operatively connected to the control system, including; a processor configured to exchange data with the control system; and an optical system configured for providing information for aiming the headlamp. - View Dependent Claims (8, 9)
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Specification