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加权特征自动图像标注方法

DOI: 10.13190/jbupt.201105.6.wangkp, PP. 6-9

Keywords: 加权特征,图像自动标注,聚类

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Abstract:

提出了一种基于加权特征的图像自动标注方法.该方法首先采用加权特征聚类算法对图像区域进行语义聚类,这种聚类算法根据图像特征的统计分布来计算特征与类别的相关度,增加相关度高的特征的权重,避免聚类算法被弱相关或不相关的特征所支配;然后,根据训练集中样本图像的标注情况建立图像区域与语义关键字的关联;最后,在未标注图像区域给定时,计算每个语义关键字的条件概率,将条件概率最大的语义概念作为图像的标注.在Corel图像库的数据集上验证了新方法的有效性.

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