Image signal reproducing apparatus

Details Image signal reproducing apparatus Image signal reproducing apparatus

1993-12-08

1996-10-01

Britton, Howard W.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

348416, 386 81, 386111, H04N 5926

Patent

active

055615295

ABSTRACT:
The present invention provides an image signal reproducing apparatus, in which a writing operation memory structure temporarily storing the image signal is controlled such that control structure prohibits sad memory structure from writing the same portion of the image signal that said memory structure has stored, to prove the image signal reproducing apparatus which is adequate to reproduce image data compressed by the inter-frame encoding, an image signal reproducing apparatus, in which a reading operation of memory structure temporarily storing the image signal is controlled such that control structure changes a unit portion of an image signal repeatedly read out from said memory structure according to a motion of the image signal, to maintain the vertical resolving power for still images and to prevent the motion images to become unnatural, and an image signal reproducing apparatus, in which a writing operation of memory structure temporarily storing the image signal is controlled such that control structure changes a condition to allow the image signal to be written in said memory structure, to reproduce the image signal having as high quality as possible.

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patent: 5227878 (1993-07-01), Puri
patent: 5400076 (1995-03-01), Iwamura

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