Method and apparatus for correcting distortions in reproducing s

Details Method and apparatus for correcting distortions in reproducing s Method and apparatus for correcting distortions in reproducing s

1983-03-28

1987-04-14

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358166, 358 21R, H04N 514

Patent

active

046582860

ABSTRACT:
A method and apparatus for defining a plurality of subcategories of the information content of the input to a reproduction system and generating a set of signals corresponding to each such subcategory for the system output and an idealized output. The sets of signals are analyzed to derive a third set of signals which are used to improve a selected aspect or characteristic of rendition fidelity of the reproduction system output. While the invention is described in the context of video systems the principles disclosed are equally applicable to photography, optical scanners and audio systems as well as other multi-channel reproducing systems.

REFERENCES:
patent: 4037249 (1977-07-01), Pugsley
patent: 4136360 (1979-01-01), Hoffrichter et al.
patent: 4141072 (1979-02-01), Perreault
patent: 4212072 (1980-07-01), Huelsman et al.
patent: 4285580 (1981-08-01), Murr
patent: 4307962 (1981-12-01), Jung
patent: 4309770 (1982-01-01), Godard
patent: 4500919 (1985-02-01), Schreiber

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