Patent ID: 7969488
Filing Date: 2011-06-28
Classification: H04N

Abstract:
1. A method for correcting pixel defects comprising: selecting a set of pixels surrounding an identified defective pixel, wherein said set comprises a first and a second plurality of pairs of pixels, each pair including different first and second pixels; for said first plurality of pairs of pixels within said set, determining if said first and second pixels of each pair of pixels are both not defective; if at least one of said individual pixels in said first plurality of pairs of pixels is defective, determining if said first and second pixels of each pair of pixels of said second plurality of pairs of pixels are both not defective; if at least one of said first and second pluralities of pairs of pixels does not have a defective pixel, for each pair of pixels of one of said first and second plurality of pairs not having a defective pixel, determining an average value of the pixels of the pair; and substituting one of the determined average values as a value for the defective pixel.