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Proceedings Paper

Analysis of threshold modulation dither using space curve point movement, forward propagation, and noise removal
Author(s): Stephen Herron
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Paper Abstract

Space-filling curves are regularly proposed as methods of traversing an image plane. Such methods, though more complicated than point movement by rows, have the advantage of moving the point within an area before moving to another area. Point movement is inherently within tiles and within areas of similar frequencies. Isis Imaging's Standard threshold-modulation screen, first commercially released in March 1994, is a device-independent screening method available in software residing on the host computer. It is widely used for print and photography applications. The algorithm is described, its properties examined and its output evaluated.

Paper Details

Date Published: 21 December 1999
PDF: 6 pages
Proc. SPIE 3963, Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts V, (21 December 1999); doi: 10.1117/12.373424
Show Author Affiliations
Stephen Herron, Isis Imaging Corp. (United States)


Published in SPIE Proceedings Vol. 3963:
Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts V
Reiner Eschbach; Gabriel G. Marcu, Editor(s)

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