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Di Zhong, Shih-Fu Chang, John R. Smith. Differential Compression and Optimal Caching Methods for Content-Based Image Search Systems. In SPIE Multimedia Storage and Archiving Systems IV, Boston, MA, September 1999.

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Compression and caching are two important issues for a large online image server. In this paper, we propose a new approach to compression by exploring image similarity in large image archives. An adaptive vector quantization (VQ) approach using content categorizations, including both the semantic level and the feature level, is developed to provide a differential compression scheme. We show that this scheme is able to support flexible and optimal caching strategies. The experimental results demonstrate that the proposed technique can improve the compression rate by about 20% compared to JPEG compression, and can improve the retrieval response by 5% to 20% percent under different typical access scenarios


Di Zhong
Shih-Fu Chang

BibTex Reference

   Author = {Zhong, Di and Chang, Shih-Fu and    Smith, John R.},
   Title = {Differential Compression and Optimal       Caching Methods for Content-Based Image Search Systems},
   BookTitle = {SPIE Multimedia Storage and Archiving Systems IV},
   Address = {Boston, MA},
   Month = {September},
   Year = {1999}

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