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IMAGING APPARATUS WHICH SUPPRESSES FIXED PATTERN NOISE GENERATED BY AN IMAGE SENSOR OF THE APPARATUS

  • US 20130335601A1
  • Filed: 06/13/2013
  • Published: 12/19/2013
  • Est. Priority Date: 06/13/2012
  • Status: Abandoned Application
First Claim
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1. An imaging apparatus comprisingan optical system incorporating an optical dispersion element, the optical dispersion element disposed for effecting dispersion of incident light entering the optical system, andan image sensor comprising an array of photo-sensors disposed to receive dispersed incident light from the optical system, for capturing an image data frame, the image data frame comprising respective luminance values of the photo-sensors and expressing a captured image of an external scene,wherein the imaging apparatus comprises:

  • p2 extraction circuitry configured for processing the image data frame for identifying isolated high-luminance photo-sensors as respective photo-sensors each producing a luminance value exceeding a first predetermined threshold value and each spatially separated from all other photo-sensors producing a luminance value exceeding the first threshold value, andjudgement circuitry configured for judging, for each of the isolated high-luminance photo-sensors, whether the isolated high-luminance photo-sensor is a fixed-noise photo-sensor producing a fixed high value of luminance.

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