Rain sensor
First Claim
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1. A rain sensor for a vehicle, comprising:
- a camera provided in the vehicle for taking an image of a scene outside of the vehicle through a windshield of the vehicle with an infinite focal length; and
a processor unit for detecting rain based on a variation degree of intensities of pixels, which are included in the image, from an average intensity of the pixels.
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Abstract
A rain sensor provided in a vehicle includes a camera and a processor. The camera takes an image of a scene outside of the vehicle through a windshield of the vehicle with an infinite focal length. The processor detects rain based on a variation degree of intensities of pixels in the image from an average intensity of the pixels.
33 Citations
12 Claims
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1. A rain sensor for a vehicle, comprising:
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a camera provided in the vehicle for taking an image of a scene outside of the vehicle through a windshield of the vehicle with an infinite focal length; and
a processor unit for detecting rain based on a variation degree of intensities of pixels, which are included in the image, from an average intensity of the pixels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification