Method and apparatus for mitigation of degradations caused by sp

Details Method and apparatus for mitigation of degradations caused by sp Method and apparatus for mitigation of degradations caused by sp

1981-02-17

1983-01-11

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358167, 358133, 358141, H04N 514

Patent

active

043684874

ABSTRACT:
Method and apparatus are provided for mitigating the effects of temporal filtering in a transmitted DPCM encoded video signal wherein the signal is conditioned in the receiver by the inverse temporal filtering function without the disadvantageous use of video frame memory.

REFERENCES:
patent: 3920889 (1975-11-01), Connor
patent: 4191970 (1980-03-01), Witsenhausen
H. Yasuda et al., entitled "Transmitting 4-MHz TV Signals by Combinational Difference Coding", IEEE Transactions on Communications, vol. COM-25, No. 5, May 1977, pp. 508-516.
B. G. Haskell et al., entitled "Interframe Coding of 525-Line, Monochrome Television at 1.5 Mbits/s", IEEE Transactions on Communications, vol. COM-25, No. 11, Nov. 1977, pp. 1339-1348.
H. Kawanishi et al., entitled "An Experimental Intermultiframe Coder' (1977) Picture Coding Symposium Abstracts, pp. 117-118.
T. Ishiguro et al., entitled "Composite Interframe Coding of NTSC Color Television Signals" National Telecommunications Conference Record, Nov. 1976, p. 6.4.1.

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