Image signal compressing device

Details Image signal compressing device Image signal compressing device

1988-07-20

1990-08-07

Coles, Jr., Edward L.

Facsimile and static presentation processing

Facsimile

Reduced time or bandwidth for static image communication

358429, 358457, H04M 141

Patent

active

049472593

ABSTRACT:
An image compressing device is described, which includes a circuit for dividing the binary signal into predetermined areas and for converting the binary signal into codes corresponding to predetermined patterns one for each predetermined area. It further includes a circuit for detecting a difference between the pattern corresponding to the code and the binary image signal, a multi-digit compressing circuit for compressing the code, and a binary compressing circuit for compressing the difference.

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