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LENS CLEANING WARNING SYSTEM AND METHOD

  • US 20090278950A1
  • Filed: 05/09/2008
  • Published: 11/12/2009
  • Est. Priority Date: 05/09/2008
  • Status: Active Grant
First Claim
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1. A lens cleaning warning system for a camera which receives light representing a scene, the system comprising:

  • a pixel array which provides image data from the light received by the camera;

    a lens unit which focuses the received light onto the pixel array; and

    an image processing unit which analyzes the image data to determine whether the image data indicates defects attributable to the lens being contaminated and, if so, provides an indication that the lens is contaminated.

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