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- W4376457013 abstract "Hyperspectral band selection (BS) is an important task for hyperspectral image (HSI) processing, which aims to select a discriminative and low-redundant band subset. As a significant cue for BS, structure information describes the cross-band correlation which brings the redundancy of HSI. Existing methods model structure information via manual rule-based graph construction. However, such a graph construction method fails to model complex and diverse structural relationships of HSI data. To address this problem, we propose a data-driven method, named iterative graph auto-encoder for band selection (IGAEBS). It adaptively captures structure information by a data-specific automatic construction process, rather than by a fixed empirical design. Specifically, we propose a new unsupervised pretext task to train graph convolution neural network to extract HSI features. These features are used to construct a graph to represent the structural relationships among bands. To enhance the reliability of the graph, we further design an iterative graph improvement mechanism to progressively refine the structure representation. Using the derived graph, we partition the bands into several clusters and select a representative band from each cluster. During the selection process, both intra- and inter-cluster information are considered to improve the discriminativeness of band subset. Extensive experiments are conducted on three public data sets to validate the superiority of the proposed method compared to other state-of-the-art methods." @default.
- W4376457013 created "2023-05-14" @default.
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- W4376457013 date "2023-01-01" @default.
- W4376457013 modified "2023-10-05" @default.
- W4376457013 title "Hyperspectral Band Selection with Iterative Graph Auto-encoder" @default.
- W4376457013 doi "https://doi.org/10.1109/tgrs.2023.3273776" @default.
- W4376457013 hasPublicationYear "2023" @default.
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