Scalable Graph-Based Clustering With Nonnegative Relaxation for Large Hyperspectral Image
IEEE Transactions on Geoscience and Remote Sensing(2019)
摘要
Hyperspectral image (HSI) clustering is very important in remote sensing applications. However, most graph-based clustering models are not suitable for dealing with large HSI due to their computational bottlenecks: the construction of the similarity matrix W, the eigenvalue decomposition of the graph Laplacian matrix L, and k-means or other discretization procedures. To solve this problem, we prop...
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关键词
Clustering algorithms,Laplace equations,Complexity theory,Computational modeling,Linear programming,Hyperspectral sensors
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