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ENCODER, DECODER AMD METHODS FOR ENHANCING A ROBUSTNESS FOR CALCULATION OF CROSS-COMPONENT LINEAR MODEL PARAMETERS
ENCODER, DECODER AMD METHODS FOR ENHANCING A ROBUSTNESS FOR CALCULATION OF CROSS-COMPONENT LINEAR MODEL PARAMETERS
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机译:编码器,解码器AMD方法,用于增强计算交叉组件线性模型参数的稳健性
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摘要
A decoder for block-based decoding of picture data of a picture is configured to decode a current block of the picture by determining first and second sets of luma in a neighborhood of the current block, the first set of luma samples having smaller luma values than the second set of luma samples, fitting a straight-line having a linear function through first and second pairs of luma-chroma samples, wherein the first and second pairs of luma-chroma samples are determined based on the first and second sets of luma samples, respectively, and on first and second corresponding chroma samples, respectively, in said neighborhood of the current block, and predicting chroma samples of the current block using luma samples of the current block and said linear function. The present proposal further concerns a respective encoder and corresponding methods for encoding and decoding.
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