Transform coding and decoding of an extended definition video si

Details Transform coding and decoding of an extended definition video si Transform coding and decoding of an extended definition video si

1996-01-19

1998-11-24

Kostak, Victor R.

Television

Bandwidth reduction system

Format type

348426, H04N 7015

Patent

active

058414797

ABSTRACT:
Device for coding and decoding an extended definition video (EDTV) signal. The EDTV signal is composed of a first series of picture lines with a compatible video signal and at least one second series of picture lines with a helper signal. The device for adding extra picture lines includes apparatus to the first and/or second series of picture lines. The extra picture lines may include a constant luminance signal, the reference. signal of PALplus picture line 623, or a duplicate of the most adjacent picture line from the PALplus signal.

REFERENCES:
patent: 5408270 (1995-04-01), Lim
"Palplus System Specification", Jun. 1994, by Leo Rozendaal.

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