Introduction to color facsimile: hardware, software, and standards

Daniel Tai Lik Lee

doi:10.1117/12.236959

29 March 1996 Introduction to color facsimile: hardware, software, and standards

Daniel Tai Lik Lee

Proceedings Volume 2658, Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts; (1996) https://doi.org/10.1117/12.236959
Event: Electronic Imaging: Science and Technology, 1996, San Jose, CA, United States

Abstract

The design of a color facsimile machine presents a number of unique challenges. From the technical side it requires a very efficient, seamless integration of algorithms and architectures in image scanning, compression, color processing, communications and printing. From the standardization side, it requires that agreements on the color representation space, negotiation protocols and coding methods must be reached through formal international standardization process. This paper presents an introduction to the overall development of color facsimile. An overview of the recent development of the international Color Facsimile Standard is first presented. The standard enables the transmission of continuous-tone colors and gray-scale images in Group 3 (over conventional telephone lines) and Group 4 (over digital lines) facsimile services, with backwards compatibility to current black and white facsimile. The standard provides specifications on color representation and color image encoding methods as well as extensions to current facsimile protocols to enable the transmission of color images. The technical challenges in implementing the color facsimile standard on existing facsimile machines are described next. The integration of algorithms and architectures in color scanning, compression, color processing, transmission and rendering of received hardcopy facsimile in a color imaging pipeline is described. Lastly, the current status on softcopy color facsimile standardization is reported.

Citation Download Citation

Daniel Tai Lik Lee "Introduction to color facsimile: hardware, software, and standards", Proc. SPIE 2658, Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts, (29 March 1996); https://doi.org/10.1117/12.236959

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