Image processing apparatus
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United States of America Patent
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Issued Date -
Dec 28, 2006
app pub date -
Apr 28, 2004
filing date -
Apr 29, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An image processing apparatus receives a base video stream and an enhancement video stream that contains information for optionally improving a quality of an output stream derived from the base video stream. An adder (126) forms an output stream by adding image information values derived for a location in an image from the base video stream and the enhancement video stream. A multiplier (124) coupled between the input and the adder adjusts a relative weight with which the information value in the base video stream and the enhancement video stream are added to each other. A weight selection unit (123) selects the relative weight as a function of position in the image and/or time in the video information, adaptive to local content of the video information.
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