Weighted prediction is not in the current HM software, although it is part of the AVC design.
It was remarked that synthesized sequences for fade from black, fade to black, and cross-fades were used when designing this for AVC.
It was remarked that several techniques had previously been investigated for HEVC that did not provide a benefit on the proposal test set but might show benefits on other material of the sort that might be used for weighted prediction testing.
It was remarked that good encoder design is important for use of weighted prediction, although simple techniques might suffice for some limited experiment purposes.
It was remarked that proprietary AVC encoders do make somewhat extensive use of this feature.
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