计算机科学 ›› 2015, Vol. 42 ›› Issue (4): 297-301.doi: 10.11896/j.issn.1002-137X.2015.04.061
冯进丽,杨红菊
FENG Jin-li and YANG Hong-ju
摘要： 为了优化基于内容的图像检索方法,提出了一种融合特征来表征图像内容。首先,提取基于RootSift描述子的特征词袋(Bag-of-Features,BoF)表示向量,获得图像的边缘和形状信息；其次,采用基于HSV的颜色词袋(Bag-of-Colors,BoC)表示向量来代替传统颜色直方图方法,获取图像的颜色信息；最后,将BoF表示向量和BoC表示向量相融合,形成BoC-BoF特征向量。BoC-BoF特征有效地实现了全局特征和局部特征的融合。两个数据集检索的实验结果表明,该方法比其它方法更加有效。
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