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Color Image Retrieval Method Based on Vector Quantization
Author(s): 
Pages: 35-38,45
Year: Issue:  23
Journal: Video Engineering

Keyword:  image retrievalvector quantizationinterested regionindex histogram;
Abstract: 针对颜色空间量化和直方图检索存在的问题,提出一种新的颜色图像检索方法.该方法通过对颜色空间进行矢量量化,使量化结果更接近人的感知;在提取分块主颜色的基础上引入颜色转移矩阵,以描述颜色的空间分布情况;并将索引直方图和颜色转移矩阵两种颜色特征相结合,对图像整体和局部感兴趣区域赋以不同的权值,使局部图像特征矢量增强,从而提高检索精度.实验表明,该方法能较有效地提高检索效率.
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