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VEHICLE CAMERA WITH MULTIPLE SPECTRAL FILTERS

  • US 20170257546A1
  • Filed: 03/01/2017
  • Published: 09/07/2017
  • Est. Priority Date: 03/04/2016
  • Status: Active Grant
First Claim
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1. A vision system for a vehicle, said vision system comprising:

  • a camera configured to be disposed at a vehicle so as to have a field of view exterior of the vehicle;

    wherein said camera comprises a lens and an imager and wherein light passing through said lens is received at said imager via an optic path from said lens to said imager;

    wherein said imager comprises a pixelated imaging array having a plurality of photosensing elements;

    wherein said camera comprises at least two spectral filters, wherein each of said spectral filters has a respective cutoff wavelength and (i) passes visible light below the respective cutoff wavelength, (ii) attenuates light above the respective cutoff wavelength;

    a control, wherein said control is operable to move said spectral filters relative to the optic path such that a selected spectral filter is positioned in the optic path during operation of said camera;

    wherein said control positions the selected spectral filter of said at least two spectral filters in the optic path so that said imager images visible light below the respective cutoff wavelength of the selected spectral filter; and

    an image processor operable to process image data captured by said camera.

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