Method and apparatus for improving conversion from SD to HDTV
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United States of America Patent
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Dec 2, 2003
Grant Date -
N/A
app pub date -
Aug 16, 2000
filing date -
Jan 12, 2000
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Abstract
Image enhancement is achieved by a combination of linear and non-linear techniques. The linear technique is preferably peaking, while the non-linear techniques is preferably LTI. The peaking is applied to non-edge areas of the image. The LTI is applied to edge areas of the image. LTI is of the sub-pixel variety. The image enhancement device is preferably part of a device for converting standard definition to high definition signals.
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