计算机科学 ›› 2017, Vol. 44 ›› Issue (7): 315-317.doi: 10.11896/j.issn.1002-137X.2017.07.057
李丽萍,赵传荣,孔德仁,王芳
LI Li-ping, ZHAO Chuan-rong, KONG De-ren and WANG Fang
摘要： 为了改善基于内容的遥感图像检索技术,以遥感图像区域检索为框架,提出了一种新的基于图论的无监督学习遥感图像检索算法。首先,提出的方法 用图表为每一幅图像建模,同时结合局部信息和相关的空间结构,提供基于区域的图像代表。将每一幅图像初步划分为不同的区域,再通过属性关系图建模,节点和边界分别代表区域特征和它们之间存在的空间关系。然后,通过评估基于图像的相似点实现最相似于查询图像的图像检索。为匹配相应的图像以及按照图像相似点实现图像检索,采用了结合子图同构算法和光谱图嵌入技术的新型非精确图像匹配策略。实验结果显示,与其他两种无监督遥感图像检索方法相比,所提方法的检索性能明显改善。
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