Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1994-03-30
1996-10-01
Britton, Howard W.
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
348607, 348616, 386111, H04N 5945
Patent
active
055615325
ABSTRACT:
An apparatus includes a reproducing circuit for reproducing an encoded image signal from a recording medium, a decoding circuit for decoding the image signal reproduced by the reproducing circuit, a movement detection circuit for detecting a movement of an image signal which cannot be detected by the decoding circuit, and outputting a signal indicating the movement level of the undecodable signal, and a construction circuit for constructing an image signal with respect to the undecodable image signal on the basis of the output from the movement detection means. Even when an undecodable image signal is an intermediate signal between signals with and without a movement, a good reproduced image is obtained.
REFERENCES:
patent: 5247363 (1993-09-01), Sun
patent: 5353059 (1994-10-01), Lawlor
Hamanaka Akiyoshi
Hoshi Hidenori
Matsui Izumi
Ohnishi Shinji
Shimokoriyama Makoto
Britton Howard W.
Canon Kabushiki Kaisha
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