Method for encoding and decoding quantized matrix and apparatus using same
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United States of America Patent
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Jan 9, 2018
Grant Date -
Nov 19, 2015
app pub date -
Jan 21, 2013
filing date -
Jan 20, 2012
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Abstract
The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention including the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.
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