Region-Based Retrieval of Remote Sensing Images Using an Unsupervised Graph-Theoretic Approach.
IEEE Geoscience and Remote Sensing Letters(2016)
摘要
This letter introduces a novel unsupervised graph-theoretic approach in the framework of region-based retrieval of remote sensing (RS) images. The proposed approach is characterized by two main steps: (1) modeling each image by a graph, which provides region-based image representation combining both local information and related spatial organization, and (2) retrieving the images in the archive th...
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关键词
Image retrieval,Image edge detection,Image segmentation,Feature extraction,Eigenvalues and eigenfunctions,Remote sensing,Image representation
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