Apparatus for scalable encoding/decoding of moving image and method thereof
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United States of America Patent
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Jun 5, 2012
Grant Date -
Dec 1, 2005
app pub date -
Mar 10, 2005
filing date -
May 27, 2004
priority date (Note) -
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Abstract
Provided are a scalable encoding/decoding apparatus and method for the same for a moving image of more than 8 bits. The scalable moving image encoding apparatus includes a pixel value clipper clipping a pixel value of an original image to a pixel value with a predetermined pixel depth, a base layer encoder receiving the clipped image and encoding the clipped image using a predetermined encoding method based on motion prediction, a pixel value scaler receiving a base layer image generated by the base layer encoder, which is a decoded image of an encoded image, and scaling a pixel depth of the base layer image to the pixel depth of the original image, and an enhancement layer encoder subtracting the base layer image having a scaled pixel value from the original image to form an enhancement layer image and encoding the enhancement layer image using a predetermined encoding method.
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