Contour filter for image sensor output signals

Details Contour filter for image sensor output signals Contour filter for image sensor output signals

2007-12-04

2007-12-04

Couso, Yon J. (Department: 2624)

Image analysis

Image enhancement or restoration

Image filter

C382S167000

Reexamination Certificate

active

10067476

ABSTRACT:
The present invention relates to digital image sensors and in particular to an aliasing free contour filter for RGB Bayer sensors. The filter (ZSB,7) prevents an amplification of back folded aliasing artefacts and further eliminates green-green differences caused in the green color of the image sensor.

REFERENCES:
patent: 5285267 (1994-02-01), Lim
patent: 6263102 (2001-07-01), Jaspers
patent: 6697110 (2004-02-01), Jaspers et al.
patent: 6944337 (2005-09-01), Jaspers

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