Adaptive filtering of visual image using auxiliary image information
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United States of America Patent
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Jul 4, 2006
Grant Date -
N/A
app pub date -
Feb 15, 2002
filing date -
Feb 16, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An adaptive filter is used to filter a target version of a visual image that is produced by processing an original version of the visual image, the characteristics of the adaptive filter being determined in accordance with one or more characteristics of the original version of the visual image. The orientation and/or strength of filtering of the adaptive filter can be adjusted based on local properties of the original image, which can enable the adaptive filter to avoid introducing blurring across true edges in an image.
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