Focus scanning apparatus recording color

  • US 10,383,711 B2
  • Filed: 02/05/2018
  • Issued: 08/20/2019
  • Est. Priority Date: 02/13/2013
  • Status: Active Grant
First Claim
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1. A scanner system for recording surface geometry and surface color of an object, the scanner system comprising:

  • a multichromatic light source configured to provide a multichromatic probe light for illumination of the object,a color image sensor comprising an array of image sensor pixels to capture one or more 2D images of light received from the object, the color image sensor comprising a color filter array, anda data processing system configured to derive surface geometry information for a first set of image pixels within a block of the image sensor pixels from a series of 2D images recorded by the color image sensor,the data processing system further configured to derive surface color information for a second set of image pixels within the block of the image sensor pixels from at least one 2D image recorded by the color image sensor, wherein the surface color information is obtained by demosaicing the second set of the image sensor pixels,wherein the first set of the image sensor pixels is different from the second set of the image sensor pixels.

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