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基于小波变换的分级图像检索

WANG Yu,LUO Dai-sheng,TAO Qing-chuan,YANG Xiao-dong

JOURNAL OF SICHUAN UNIVERSITY(NATURAL SCIENCE EDITION)（2007）

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Abstract
提出了一种基于小波变换的分级图像检索方法,对图像的色彩分量进行Daubechies'小波变换,提取低频及高频信息构建特征向量.将查询图像与数据库中图像的特征向量进行方差、不变矩和向量夹角余弦值的分级筛选,取得了较好的检索效果.
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