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AssigneeInterDigital VC Holdings, Inc.
InventorsYan Zhang, Xiaoyu Xiu, Yuwen He, Yan Ye
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Exemplary embodiments include systems and methods for coding a video comprising a plurality of pictures including a current picture, a first reference picture, and a second reference picture, where each picture includes a plurality of blocks. In one method, for at least a current block in the current picture, a number of available bi-prediction weights is determined based at least in part on a temporal layer and/or a quantization parameter of the current picture. From among available bi-prediction weights a pair of weights are identified. Using the identified weights, the current block is then predicted as a weighted sum of a first reference block in the first reference picture and a second reference block in the second reference picture. Encoding techniques are also described for efficient searching and selection of a pair of bi-prediction weights to use for prediction of a block.
A video decoding method comprising:
A video decoding apparatus comprising one or more processors configured to perform at least:
A video encoding method comprising:
A video encoding apparatus comprising one or more processors configured to perform at least:
Dependencies are inferred from the claim text.