Motion compensated predictive picture production apparatus

Details Motion compensated predictive picture production apparatus Motion compensated predictive picture production apparatus

1996-01-29

1998-01-06

Au, Amelia

Television

Bandwidth reduction system

Data rate reduction

348416, H04N 736

Patent

active

057060550

ABSTRACT:
The invention provides a motion compensation predicted picture production apparatus which can produce a motion compensated predictive picture which includes minimized prediction errors. The motion compensated predictive picture production apparatus includes a pair of warping motion compensation circuits which produce, for different first grid point arrangement and second grid point arrangement, motion compensated predictive pictures by warping motion compensation. An averaging circuit averages the two motion compensated predictive pictures outputted from the warping motion compensation circuits to obtain a motion compensated predictive picture. The motion compensated predictive picture is outputted from the averaging circuit as an output of the motion compensated predictive picture production apparatus.

REFERENCES:
Nieweglowski et al, "Motion Compensated Video Sequence Interpolation Using Digital Image Warping," ICASSP '94: Acoustics, Speech & Signal Processing Conference.
T. George Campbell, "Very Low Bitrate Video Coder using Warping Prediction", Picture Coding Symposium, Oct., 1993, pp. 167-168.
Hiroyuki Katata et al., "Motion Compensation Scheme in Very Low Bit Rate Video Coding", Picture Coding Symposium, Oct., 1994, pp. 121-122.
Michael T. Orchard et al., "Overlapped Block Motion Compensation: An Estimation-Theoretic Approach", IEEE Transactions on Image Processing 3(5):693-699 (1994).

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