Image analysis – Color image processing
Reexamination Certificate
2006-01-26
2010-06-22
Chang, Jon (Department: 2624)
Image analysis
Color image processing
C382S298000, C345S660000
Reexamination Certificate
active
07742636
ABSTRACT:
In one embodiment of the invention, a method is provided. The method, comprises scaling down a Bayer domain image made up of a number of 2×2 basic units, each having a Red (R) pixel, a Blue (B) pixel, and two green (G) pixels arranged in a fixed configuration and replicated throughout the image, the method comprising (a) partitioning the image into 2M×2N input blocks, where M and N are integers greater than or equal to 1; (b) for each 2M×2N input block, averaging a selection of R pixels in the block to produce a R pixel in a scaled down image corresponding to the Bayer domain image; (c) averaging a selection of B pixels in the block to produce a B pixel in the scaled down image; and (d) partitioning the 2M×2N input block into first and second triangular regions, and averaging a selection of pixels in the first triangular region to produce a first G pixel in the scaled down image, and averaging a selection of pixels in the second triangular region to produce a second G pixel in the scaled down image.
REFERENCES:
patent: 2003/0103058 (2003-06-01), Elliott et al.
patent: 2003/0223649 (2003-12-01), Findlater et al.
patent: 2003/0231247 (2003-12-01), Watanabe
patent: 2004/0201721 (2004-10-01), Baharav et al.
Chang Jon
Hahn & Moodley LLP
Moodley, Esq. Vani
Nethra Imaging Inc.
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