Image transmission system with patterned data compression

Details Image transmission system with patterned data compression Image transmission system with patterned data compression

1994-03-04

1995-01-24

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Document filing and retrieval system

358426, 382 56, 36441319, H04N 141

Patent

active

053846435

ABSTRACT:
A storage, retrieval, and transmission system is configured to provide fast, efficient telecommunication access to digitized images (e.g., medical diagnostic X-ray images) to multiple requesting subscribers. Image data are downloaded, via the telephone lines, to a remote display terminal in an optimal fashion that employs a two-dimensional patterned data compression scheme. The data compression methods include a "Hex-Pac" compression in which one first generates regions comprising a plurality of two dimensional, non-overlapping, symmetrically disposed super pixels that are collectively representative of an image. Each of these regions is subsequently compared with a plurality of fictitious patterns, each of which has a dark region, a light region and a predetermined point of origin, in order to determine which of the patterns most closely correlates with the selected region.

REFERENCES:
patent: 4511112 (1989-03-01), Rutledge
patent: 4606069 (1986-08-01), Johnsen
patent: 4783841 (1988-11-01), Crayson
patent: 5014198 (1991-05-01), Umemura
patent: 5293230 (1994-03-01), Colin
patent: 5303313 (1994-04-01), Mark et al.
patent: 5305103 (1994-04-01), Golin

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