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Non-CE8: Subblock Operation Removal for Chroma CPR
Abstract
In the current design of CPR, when separate tree is applied, chroma blocks inherit collocated luma blocks’ block vectors, which requires sub-block by sub-block operation. This contribution proposes to remove such a subblock-wise operation and reports a 0.26% coding gain for class TGM420.
JVET-M0254 Non-CE8: Subblock Operation Removal for Chroma CPR [J. Xu, K. Zhang, L. Zhang, H. Liu, Y. Wang, P. Zhao, D. Hong (Bytedance)]
In the current design of CPR, when separate tree is applied, chroma blocks inherit collocated luma blocks’ block vectors, which requires sub-block by sub-block operation. This contribution proposes to remove such a subblock-wise operation and reports a 0.26% coding gain for class TGM420.
Similar to JVET-M0174 (see notes on that contribution).
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Similar to JVET-M0174 (see notes on that contribution).
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