Method and apparatus for lost block substitution in a moving pic

Details Method and apparatus for lost block substitution in a moving pic Method and apparatus for lost block substitution in a moving pic

1992-12-29

1996-07-30

Kostak, Victor R.

Television

Image signal processing circuitry specific to television

Noise or undesired signal reduction

348466, H04N 712

Patent

active

055416675

ABSTRACT:
A moving picture receiving method for receiving a moving picture by block unit includes steps of detecting a lost block which can not be reproduced in the receiving image signal, calculating an average value of blocks adjacent to the lost block which can not be reproduced, adaptively substituting the lost block by an average value of the block adjacent to the lost block or a block at the same location corresponding to the preceding frame in case that the block is lost in the receiving signal.

REFERENCES:
patent: 4497055 (1985-01-01), Hoshino et al.
patent: 4704628 (1987-11-01), Chen et al.
patent: 4876595 (1989-10-01), Veldhuis
patent: 4989088 (1991-01-01), Wada et al.
patent: 5122876 (1992-06-01), Aoki
patent: 5150210 (1992-09-01), Hoshi et al.
patent: 5247363 (1993-09-01), Sun et al.
"An Experimental HDTV Codec for ATM Networks", Kiyoshi Sakai, et al., Third International Workshop for Packet Video (Visicom '90), pp. 1-6, Mar. 22-23, 1990, Morristown, NJ.

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