Coding system for digital signals corresponding to television pi

Details Coding system for digital signals corresponding to television pi Coding system for digital signals corresponding to television pi

1995-03-22

1996-06-18

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348389, 348409, H04N 736, H04N 712

Patent

active

055282997

ABSTRACT:
Apparatus for coding digital signals corresponding to television images of a given definition includes an image reconstruction stage having a first path for reconstructing the image in accordance with a higher definition and a second path, in parallel with the first path, for reconstructing the image in accordance with a reduced definition. A corresponding decoding device includes a decoding stage for decoding the coded digital signals, a stage for reconstructing a reduced definition image on the basis of the decoded signals, a stage for motion compensation on the basis of motion information components of the coded digital signals, and a stage for image prediction based on output signals of the image reconstruction stage and the motion information components.

REFERENCES:
patent: 4470146 (1984-09-01), Yatsuzuka et al.
patent: 4703350 (1987-10-01), Hinman
patent: 5040061 (1991-08-01), Yonemitsu
patent: 5055927 (1991-10-01), Keesen et al.

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