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    • 57. 发明申请
    • INTRA-PICTURE PREDICTION USING NON-ADJACENT REFERENCE LINES OF SAMPLE VALUES
    • 使用样本值的非邻近参考线的图片内预测
    • WO2017190288A1
    • 2017-11-09
    • PCT/CN2016/080966
    • 2016-05-04
    • MICROSOFT TECHNOLOGY LICENSING, LLCLI, BinXU, JizhengLI, Jiahao
    • LI, BinXU, JizhengLI, Jiahao
    • H04N19/61
    • Innovations in intra-picture prediction with multiple candidate reference lines available are described herein. For example, intra-picture prediction for a current block uses a non-adjacent reference line of sample values to predict the sample values of the current block. This can improve the effectiveness of the intra-picture prediction when the reference line of sample values that is adjacent the current block includes significant capture noise, significant quantization error, or significantly different values (compared to the current block) due to an occlusion. Innovations described herein include, but are not limited to, the following: intra-picture prediction with multiple candidate reference lines available; encoding/decoding of reference line indices using prediction; filtering of reference sample values; residue compensation weighted prediction; mode-dependent padding to replace unavailable reference sample values; using in-loop-filtered reference sample values; encoder-side decisions for selecting reference lines; and post-filtering of predicted sample values.
    • 本文描述了具有可用的多个候选参考线的图片内预测的创新。 例如,当前块的图片内预测使用非相邻的样本值参考线来预测当前块的样本值。 当邻近当前块的样本值的参考线包括明显的俘获噪声,显着的量化误差或由于遮挡引起的明显不同的值(与当前块相比)时,这可以改进画面内预测的有效性。 本文描述的创新包括但不限于以下:具有可用的多个候选参考线的画面内预测; 使用预测对参考线索引进行编码/解码; 过滤参考样本值; 残差补偿加权预测; 模式相关的填充来替换不可用的参考样本值; 使用经环路滤波的参考采样值; 用于选择参考线的编码器端决策; 并对预测样本值进行后期过滤。