×

Method and system for altering defects in a digital image

  • US 6,487,321 B1
  • Filed: 09/15/2000
  • Issued: 11/26/2002
  • Est. Priority Date: 09/16/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for altering defects in a digital image, comprising:

  • storing on a computer readable storage medium a digital image comprising at least one channel, the at least one channel comprising a plurality of pixels each having an intensity value;

    storing on the computer readable storage medium a defect channel comprising a plurality of pixels each having an intensity value, at least some of the plurality of pixels in the defect channel having an intensity value proportional to defects in the digital image;

    filtering a first pixel of the at least one channel of the digital image to produce a filtered pixel the filtering of the first pixel responsive to the intensity of the first pixel and a plurality of additional pixels in the neighborhood of the first pixel, wherein at least one of the pixels used in filtering the first pixel is weighted in response to the intensity value of at least one pixel in the defect channel; and

    producing a corrected digital image in response to the filtered pixel and the at least one channel.

View all claims
  • 16 Assignments
Timeline View
Assignment View
    ×
    ×