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14th Meeting: Geneva, March 2019 2019-03-18 15:46
CE2-5.5: History-parameter-based affine model inheritance
Abstract
In this contribution, history-parameter-based affine inheritance are proposed. After decoding an affine-coded CU, the affine parameters are added to a history table. When constructing the affine merge or AMVP candidate list, the affine parameters stored in the history table are combined with MVs of a neighbouring block to generate a history-parameter-based affine candidate. Three tests are conducted in this contribution. In CE2-5.5.a, history-parameter-based affine candidates (HPACs) are added into the affine merge or AMVP candidate list. In CE2-5.5.b, HPACs are added into the affine merge or AMVP candidate list and the original affine inheritance candidates in VTM-4.0 are removed. In CE2-5.5.c, HPACs are added into the affine merge or AMVP candidate list and the original affine candidates inherited from CPMVs in-CTU buffer are removed, but original affine candidates inherited from line buffer are kept. Simulation results and memory required by affine inheritance are reported as below:
JVET-N0263 CE2-5.5: History-parameter-based affine model inheritance [K. Zhang (Bytedance)]
Decisions
JVET-N0263 CE2-5.5: History-parameter-based affine model inheritance [K. Zhang (Bytedance)]
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