Image coding apparatus using detection of field correlation

Details Image coding apparatus using detection of field correlation Image coding apparatus using detection of field correlation

1995-09-27

2000-02-22

Tung, Bryan

Television

Bandwidth reduction system

Data rate reduction

348412, 348415, H04N 730

Patent

active

060286369

ABSTRACT:
A coding apparatus and method having an orthogonal transforming unit which can execute orthogonal transformations of at least two kinds of transforming systems including frame units and field units for every block of inputted data, which selects the transforming system to be used based upon calculations which determine a field correlation within the block.

REFERENCES:
patent: 5196930 (1993-03-01), Kadono et al.
patent: 5539466 (1996-07-01), Igarashi et al.
patent: 5614952 (1997-03-01), Boyce et al.
patent: 5673358 (1997-09-01), Boyce

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