Image processing method and apparatus

Details Image processing method and apparatus Image processing method and apparatus

1987-04-14

1990-04-17

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Auxiliary signal

358462, 358467, 382 56, H04N 1415

Patent

active

049185411

ABSTRACT:
An image processing apparatus comprising an image memory for holding image data in the form of a compressed and encoded image data block of a plurality pixels. It also includes a decoder for decoding the encoded data, a device for performing a one-dimensional transformation on the decoded data, and a compressor for encoding the performed result again.

REFERENCES:
patent: 4271476 (1981-06-01), Lotspiech
patent: 4281312 (1981-07-01), Knudson
patent: 4319267 (1982-03-01), Mitsuya et al.
patent: 4791680 (1988-12-01), Yokoe et al.
patent: 4809350 (1989-02-01), Shimoni

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