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Title: A technique for producing scalable color-quantized images with error diffusion
Authors: Fung, YH
Chan, YH 
Issue Date: Oct-2006
Source: IEEE transactions on image processing, Oct. 2006, v. 15, no. 10, p. 3218-3224
Abstract: To reliably and efficiently deliver media information to diverse clients over heterogeneous networks, the media involved must be scalable. In this paper, a color quantization algorithm for generating scalable color-indexed images is proposed based on a multiscale error diffusion framework. Images of lower resolutions are embedded in the outputs such that a simple down-sampling process can extract images of any desirable resolutions. Images possessing this scalable property support transmission over the Internet which contains clients with different display resolutions, systems with different caching resources and networks with varying bandwidths and QoS capabilities. Unlike most of the color halftoning algorithms available nowadays, the proposed algorithm is not dedicated for printing applications but for color-indexed displays. It works with any arbitrary palettes of different size.
Keywords: Color index
Color quantization
Directional hysteresis
Error diffusion
Multiscale processing
Scalable media
Publisher: Institute of Electrical and Electronics Engineers
Journal: IEEE transactions on image processing 
ISSN: 1057-7149
EISSN: 1941-0042
DOI: 10.1109/TIP.2006.877480
Rights: © 2006 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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