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Jingning Han authored
Account for 1-D/2-D transform kernels for the eob modeling. To maintain a smaller context cardinality, set the two 1-D transform kernels in the same category. The difference in directions should be largely covered by the scan order. This and the previous CLs on nz_map context modeling together improve the compression performance of level-map coefficient coding system by 0.4% for lowres. Change-Id: I8c4f03ca01ce3d248950d04bd1266f445b4227a0
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