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• W4385627268 abstract "As the research on deep learning methods gradually progresses, more and more classification models are applied in the classification of hyperspectral image. High-dimensional and low-resolution characteristics of hyperspectral image (HSI), however, make it difficult for conventional models to process its data effectively. In this paper, a novel HSI classification model, namely Spatial Spectral Pyramid Network (SSPN), is designed by combining 3D Convolutional Neural Network (3D CNN) with feature pyramid structure. SSPN taking advantage of 3D convolution coupled with multi-scale convolutional extraction is used to obtain a large set of diverse spatial-spectral features. Multi-scale interfusion is also applied in SSPN to enrich the features contained in a single feature map and to improve the sensitivity on HSI spatial-spectral information, allowing it to better learn spatial-spectral features. Moreover, the losses of each combination based on multi-scale interfusion are calculated via weighted average, which enables SSPN to avoid the excessive influence of single combination in the updating of model parameters. Four HSI public datasets and several comparison models are employed to validate the classification effect of SSPN. Experimental results show that SSPN achieves the highest overall accuracy (OA) in all datasets compared with other classification models, with 100%, 98.8%, 99.8% and 98.7% on the datasets of Chikusei, Pavia University, Botswana and Houston 2013, respectively. SSPN is demonstrated to possess higher classification accuracy and better generalization performance on HSI." @default.
• W4385627268 created "2023-08-08" @default.
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• W4385627268 date "2023-01-01" @default.
• W4385627268 modified "2023-10-14" @default.
• W4385627268 title "A Novel Spatial–Spectral Pyramid Network for Hyperspectral Image Classification" @default.
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• W4385627268 doi "https://doi.org/10.1109/tgrs.2023.3303338" @default.
• W4385627268 hasPublicationYear "2023" @default.
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