Machine for the reading, processing and compression of documents

Details Machine for the reading, processing and compression of documents Machine for the reading, processing and compression of documents

1986-03-25

1987-08-04

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358260, 358280, 382 56, H04N 140

Patent

active

046849971

ABSTRACT:
A machine for the reading, processing and compression of documents. This machine utilizes a separate image bus and communication bus. The image bus links a reader having a plurality of reading members for the reading of documents of different types, an image memory, and an extraction device for extracting the related components of the image. The communication bus connects the reader, the extraction device, a coding device, a merging device, and a controller. The coding device comprises several specific coders, each coder processing a given type of related components (lines, symbols, non-symbols, etc).

REFERENCES:
patent: 4410916 (1983-10-01), Pratt et al.
patent: 4415880 (1983-11-01), Scott
patent: 4491874 (1985-01-01), Yamamoto
patent: 4606069 (1986-08-01), Johnsen
W. K. Pratt et al., "Combined Symbol Matching Facsimile Data Compression System" Proceedings of the IEEE, vol. 68, No. 7, Jul. 1980, pp. 786-795.
R. L. T. Cederberg, "Chain-Link Coding and Segmentation for Raster Scan Devices" Computer Graphic and Image Processing, 1979, pp. 224-234.
R. Lumita et al., "A New Connected Components Algorithm for Virtual Memory Computers, Computer Vision Graphic and Image Processing" 1983, pp. 287-300.
O. Johnson et al., "Coding of Two-Level Pictures by Pattern Matching and Substitution" The Bell Technical Journal, vol. 62, 10-8-83, pp. 2513-2545.

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