Text/image separation method

Details Text/image separation method Text/image separation method

1992-12-02

1995-01-03

Hjerpe, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358448, 358456, 382 52, H04N 140

Patent

active

053791304

ABSTRACT:
A text/image separation method is disclosed which handles the text segment and the image of a document to be printed in a separate and parallel fashion to provide a better printing quality of the document.

REFERENCES:
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patent: 4996603 (1991-02-01), Kanemitsu et al.
patent: 5034990 (1991-07-01), Klees
patent: 5073953 (1991-12-01), Westdijk
"An Adaptive Algorithm for Spatial Grey Scale", Robert Floyd and Louis Steinberg, SID International Symposium Digest of Technical Papers, pp. 36-37, 1975.
"Digital Halftoning", Robert Ulichney, published by MIT Press, pp. 10-13, 1987.
"Block Segmentation and Text Extraction in Mixed Text/Image Documents", Friedrich M. Wahl, Kwan Y. Wong, and Richard G. Casey, Computer Graphics and Image Processing, vol. 20, pp. 375-390, 1982.

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