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一种基于重要位平面的鲁棒图像检索算法

DOI: 10.11834/jig.20070925

Keywords: 图像检索,鲁棒性,重要位平面,颜色直方图,标准偏差

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Abstract:

以图像位平面原理为基础,结合噪声攻击特点(对高位平面影响较小),提出了一种基于重要位平面的鲁棒图像检索新算法。该算法首先从原始图像中提取重要位平面;然后选取重要位平面图像的颜色直方图作为颜色特征,选取重要位平面图像的颜色标准偏差作为空间特征;再综合利用上述颜色、空间两个特征计算图像间内容的相似度,并进行图像检索。仿真实验结果表明,本文算法能够准确和高效地查找出用户所需内容的彩色图像,并且具有较好的查准率和查全率。特别地,该算法对光照、锐化、模糊等噪声攻击均具有较好的鲁棒性。

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