Contour filter for image sensor output signals
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United States of America Patent
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Dec 4, 2007
Grant Date -
Oct 31, 2002
app pub date -
Feb 5, 2002
filing date -
Feb 6, 2001
priority date (Note) -
Expired
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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.
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