基于LCU(CTU)的Z扫描和光栅扫描

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How to convert between z-scan andraster scan in LCU-based index?
Two arrays, g_auiZscanToRaster andg_auiRasterToZscan
g_auiZscanToRaster[ z-scan index ] = raster scanindex
g_auiRasterToZscan[ raster index ] = z-scan index
Raster scan is useful to deriveindex ofneighbouring CUs

例如g_auiZscanToRaster[ 0 ] = 0;
g_auiZscanToRaster[ 1 ] = 1;
g_auiZscanToRaster[ 4 ] = 2;
g_auiZscanToRaster[ 5 ] = 3;
g_auiZscanToRaster[ 16 ] = 4;
......
反之,也成立...
这是一个映射表对应关系.基于这个对应关系,我用HM10.0跑了一个测试序列,其结果如下图所示:

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