期刊
APPLIED SOFT COMPUTING
卷 6, 期 3, 页码 258-271出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.asoc.2004.12.006
关键词
image compression; Kohonen model; ART model; direct classification; self-organizing feature map; geosynchronous satellite; colored documents; universal codebook
We present a novel neural model for image compression called the direct classification ( DC) model. The DC is a hybrid between a subset of the self- organizing Kohonen ( SOK) model and the adaptive resonance theory ( ART) model. The DC is a fast and efficient neural classification engine. The DC training utilizes the accuracy of the winner- takes- all feature of the SOK model and the elasticity/ speed of the ART1 model. The DC engine has experimentally achieved much better results than the state- of-the-art peer image compression techniques ( e. g., JPEG2000 and DjVu wavelet technology) especially in the domains of colored documents and still satellite images. We include a comprehensive analysis of the most important parameters of our DC system and their effects on system performance. (C) 2005 Elsevier B. V. All rights reserved.
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