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EFFICIENT CONTEXT MODEL COMPUTATION DESIGN IN TRANSFORM COEFFICIENT CODING
EFFICIENT CONTEXT MODEL COMPUTATION DESIGN IN TRANSFORM COEFFICIENT CODING
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机译:变换系数编码中的高效上下文模型计算设计
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摘要
A processor is configured to maintain, for encoding current values related to the transform coefficients a first line buffer and a second line buffer. The current values are arranged along a current scan-order anti-diagonal line. The first line buffer includes first values of a first scan-order anti-diagonal line. The second line buffer includes second values of a second scan-order anti-diagonal line. The processor is further configured to interleave the first values and the second values in a destination buffer; select, using the destination buffer, a probability distribution for coding a current value of the current values; entropy encode, in a compressed bitstream, the current value using the probability distribution; and replace, for coding values of an immediately subsequent scan-order anti-diagonal line to the current scan-order anti-diagonal line, one of the second line buffer or the first line buffer with the current scan-order anti-diagonal line.
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