使用拼贴误差直方图的分形图像检索
Fractal Coding Based Image Retrieval Using Histogram of Collage Errors
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摘要: 拼贴误差是值域块与最匹配的定义域块相似性的一个度量，然而很多基于分形编码参数的分形图像检索技术却忽略了拼贴误差。该文使用拼贴误差直方图作为检索条件，来判定图像的相似度。对有200多张纹理图像的数据库的实验显示，该方法不仅减少了计算的复杂度，而且也有一定的检索准确率。
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关键词:
- 分形编码; 拼贴误差;直方图;检索
Abstract: Collage error is a quantitative measure of the similarity between range block and best-match domain block. However, it is neglected by many fractal-based image retrieval techniques. In this paper, a new fractal coding based indexing technique using histogram of collage errors is proposed. Experimental results on a database of more than 200 texture images show that the proposed method not only reduces computational complexities, but also enhances the retrieval rate. -
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