Apparatus for adaptive inter-frame predictive encoding of video

Details Apparatus for adaptive inter-frame predictive encoding of video Apparatus for adaptive inter-frame predictive encoding of video

1992-12-28

1996-02-20

Kostak, Victor R.

Television

Bandwidth reduction system

Data rate reduction

348415, H04N 713

Patent

active

RE0351580

ABSTRACT:
An adaptive predictive encoding apparatus for encoding a video signal by utilizing correlation between frames in both the forward and reverse directions of the time axis. A prediction signal for use in deriving prediction error values to be encoded for a frame is selected by an adaptive prediction section, in units of blocks, from a plurality of mutually differently derived prediction signals, in accordance with the degree of correlation of the block with corresponding ones of a specific preceding independently encoded frame and a specific succeeding independently encoded frame. A complementary adaptive decoding apparatus receives the encoded information and reconstructs the video signal in accordance with information supplied to the adaptive decoding apparatus by the encoding signal.

REFERENCES:
patent: 4383272 (1983-05-01), Netravali et al.
patent: 4651207 (1987-03-01), Bergmann et al.
"15/30 Mb/s Motion-Compensated Interframe, Interfield and Intrafield Adaptive Prediction Coding" (Oct. '85); Bulletin of the Society of Television Engineers (Japan); vol. 39, No. 10.
"Adaptive Hybrid Transform/Predictive Image Coding" (Mar. '87); Document D-1115 of the 70th Anniversary National Convention of the Society of Information and Communication Engineers (Japan).

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