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一种鲁棒的多特征彩色图像检索新方法

DOI: 10.11834/jig.20071015

Keywords: 图像检索,回归型支持向量机,彩色边缘,噪声

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Abstract:

为了提高彩色图像检索的准确性,以回归型支持向量机(SVR)理论为基础,结合重要的图像边缘信息,提出了一种鲁棒的多特征彩色图像检索新方法。该方法首先利用回归型支持向量机(SVR)理论,对原始图像进行去噪处理及彩色边缘提取;然后将整个彩色边缘划分成局部网格区域,并分别计算出每个网格区域的颜色直方图和纹理直方图;最后综合利用上述网格区域的颜色直方图和纹理直方图来计算图像间内容的相似度,并进行彩色图像检索。实验结果表明,该方法不仅能够准确、快速的检索出用户所需图像,而且对光照、锐化、模糊等噪声攻击均具有较好的鲁棒性。

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