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Abstract

A reference picture prediction module is configured to process block motion data for M pictures subsequent to a reference picture in a sequence of pictures to generate a calculated block motion trajectory data corresponding to motion of a block from the reference picture through the M pictures, to generate extrapolated block motion trajectory data corresponding to a prediction through N pictures that are subsequent to the M pictures in the sequence, based on the calculated block motion trajectory, and to generate block prediction data that estimates a number pictures after the reference picture that will reference the block, based on the extrapolated block motion trajectory data. A transform and quantization module is configured to select a quantization parameter based on the block prediction data and to transform and quantize motion vector data for the block based on the quantization parameter, as part of an encoding of the sequence of pictures.

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First Claim