Attention-based multi-scale network for hyperspectral image classification

Chundi Li; Kun Zhan

doi:10.1117/12.2640848

13 October 2022 Attention-based multi-scale network for hyperspectral image classification

Chundi Li, Kun Zhan

Author Affiliations +

Proceedings Volume 12287, International Conference on Cloud Computing, Performance Computing, and Deep Learning (CCPCDL 2022); 1228718 (2022) https://doi.org/10.1117/12.2640848
Event: International Conference on Cloud Computing, Performance Computing, and Deep Learning (CCPCDL 2022), 2022, Wuhan, China

Abstract

Hyperspectral images (HSIs) classification methods based on convolutional neural networks are becoming increasingly popular. Many proposed methods extract spatial and spectral features simultaneously, and the interaction between the two types of features leads to unsatisfied classification results. Moreover, most of the existing CNN-based methods mainly consider single-scale, which can cause some important information to be neglected. To address the aforementioned two issues, we propose a Attention-Based Multi-Scale Network (AMSN) for HSIs classification. First, the proposed network is based on 3D-CNN, through channel branch and spatial branch, the AMSN can capture more distinctive spatial and spectral features using different convolution kernels, respectively. Second, Local and global features are extracted by dense network. Then, two features are concatenated to make full use of multi-scale features. Third, attention blocks are used after each branch to achieve the most distinctive features. Experimental results on three HSIs datasets demonstrate that the proposed framework can achieve better classification performance than the several state-of-the-art methods.

Citation Download Citation

Chundi Li and Kun Zhan "Attention-based multi-scale network for hyperspectral image classification", Proc. SPIE 12287, International Conference on Cloud Computing, Performance Computing, and Deep Learning (CCPCDL 2022), 1228718 (13 October 2022); https://doi.org/10.1117/12.2640848

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KEYWORDS

Feature extraction

Image classification

Convolution

Hyperspectral imaging

3D modeling

Lithium

Convolutional neural networks

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