Variable length codes for high quality image encoding

Details Variable length codes for high quality image encoding Variable length codes for high quality image encoding

1973-12-17

1978-07-25

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

3401463AC, 358260, G06K 900

Patent

active

041032870

ABSTRACT:
A graphic arts image is partitioned into two-dimensional pictorial entities known as "blobs" which are susceptible of identification by a number of parameters. An entire picture is scanned and the relative frequencies of particular blob parameters are used to develop modified variable-length Elias-Huffman codes representative of the parameterized picture information in compacted form. Efficient storage, retrieval and transmission of large sets of high fidelity picture data are thereby facilitated.

REFERENCES:
patent: 3347981 (1967-10-01), Kagan et al.
patent: 3686631 (1972-08-01), Elliott
Grimsdale et al., "A System for the Automatic Recognition of Patterns", Proc. of I.E.E., vol. 106, Pt. B, No. 26, Mar., 1959, pp. 210-221.
Nolan, "Line/Symbol Separation for Raster Image Processing", IBM Tech. Disclosure, vol. 15, No. 12, May, 1973, pp. 3879-3883.

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