DocumentCode :
759018
Title :
A Technique for Producing Scalable Color-Quantized Images With Error Diffusion
Author :
Fung, Yik-Hing ; Chan, Yuk-Hee
Author_Institution :
Centre for Multimedia Signal Process., Hong Kong
Volume :
15
Issue :
10
fYear :
2006
Firstpage :
3218
Lastpage :
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 :
Internet; feature extraction; image colour analysis; image resolution; image sampling; quality of service; Internet; QoS capabilities; color halftoning algorithms; display resolutions; down-sampling process; heterogeneous networks; multiscale error diffusion; scalable color-indexed images; scalable color-quantized images; Bandwidth; Color; Displays; Filters; Image resolution; Image sampling; Nonhomogeneous media; Quantization; Signal processing; Signal processing algorithms; Color index; color quantization; directional hysteresis; error diffusion; halftoning; multiscale processing; scalable media;
fLanguage :
English
Journal_Title :
Image Processing, IEEE Transactions on
Publisher :
ieee
ISSN :
1057-7149
Type :
jour
DOI :
10.1109/TIP.2006.877480
Filename :
1703608
Link To Document :
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