Video encoding/decoding apparatus and method for color image
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United States of America Patent
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May 19, 2009
Grant Date -
Jan 20, 2005
app pub date -
Jul 16, 2004
filing date -
Jul 16, 2003
priority date (Note) -
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Abstract
A video encoding/decoding apparatus and method for color images include a first motion prediction unit that generates a first prediction residue image of an input image on a basis of a first motion prediction result of the input image. An image information detection unit sets a predetermined color component of an R-G-B image to a reference color component and determines whether the input image is a Y-Cb-Cr image or an R-G-B image and whether a color component is the reference color component. A second motion prediction unit performs motion prediction for the first prediction residue image and generates a second prediction residue image if the input image is the R-G-B image and the color component of the input image is not the reference color component.
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