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標題: Image retrieval by texture similarity
作者: Huang, P.W.;Dai, S.K.
黃博惠
關鍵字: content-based;image retrieval;image database;wavelet decomposition;texture similarity;CSG vector;EDP-string;wavelet transform;gabor filters;discrimination;classification;segmentation;statistics;features;representation;signatures
日期: 2003
Issue Date: 2012-12-14 10:04:16 (UTC+8)
關連: Pattern Recognition, Volume 36, Issue 3, Page(s) 665-679.
摘要: Accuracy and efficiency are the two important issues in designing content-based image retrieval systems. In this paper, we present an efficient image retrieval system with high performance of accuracy based on two novel features, the composite sub-band gradient vector and the energy distribution pattern string. Both features are generated from the sub-images of a wavelet decomposition of the original image. A fuzzy matching mechanism based on energy distribution pattern strings serves as a filter to quickly remove undesired images in the database from further consideration. The images passing the filter will be compared with the query image based on composite sub-band gradient vectors which are extremely powerful for discriminating detailed textures. Through several extensive experiments by exercising our prototype system with a database of 2400 images, we demonstrated that both high accuracy and high efficiency can be achieved at the same time by our approach. (C) 2002 Pattern Recognition Society. Published by Elsevier Science Ltd. All rights reserved.
Relation: Pattern Recognition
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 黃博惠
[依教師分類] 黃博惠

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