Moving image encoding/decoding apparatus and method
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United States of America Patent
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Issued Date -
Dec 1, 2005
app pub date -
May 27, 2005
filing date -
May 27, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided are a moving image encoding/decoding apparatus and method capable of eliminating an error that occurs when encoding moving image data. The moving image encoder includes a base layer encoder receiving an original image and encoding the original image using a predetermined lossy encoding method and an enhancement layer encoder receiving an error image created by decoding the encoded original image and receiving the original image, and losslessly entropy-encoding an error component obtained by subtracting the original image from the image with error. Therefore, an original moving image can be scalabely and losslessly encoded/decoded based on conventional moving image encoding/decoding technologies, thereby offering moving image services with desired quality.
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