Haverstock & Owens LLP
Decoder-derived geometric transformations for motion compensated inter prediction
A method of estimating motion by estimating motion parameters of a complex motion model using reconstructed neighboring pixels of the current block and then applying the estimated motion parameters to the coordinates of the current block to determine motion compensated in a corresponding reference block. The parameters are not transmitted to a decoder and are derived at the decoder side. The encoder only sends a 1-bit control-flag to indicate whether the derived parameters should be used.
Sony Corporation
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Ali Ehsan Mohammad Wei
Tabatabai Maani Gharavi-Alkhansari Liu