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一种基于图像显著特征点的检索算法

, PP. 382-387

Keywords: 基于内容的图像检索(CBIR),显著特征点,图像块逆概率差模型(BDIP)

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Abstract:

提出一种基于图像显著特征点的检索算法.首先给出一种具有一定自适应能力的显著特征点的提取算法,即采用改进的图像的块逆概率差模型来提取原图像的块逆概率差图像(DBIP图像).在此基础上,根据BDIP图像中像素的分布特点来提取图像的显著特征点.然后以它们为线索,把图像的形状特征和空间颜色分布特征有机结合起来进行检索.该算法不仅克服利用兴趣点检索时的缺点,而且降低传统显著点提取算法的复杂度,又包含一定的形状信息,具有较好的检索效率.实验结果表明,该算法是有效的.

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