A Survey of Graph and Attention Based Hyperspectral Image Classification Methods for Remote Sensing Data

• URL: http://arxiv.org/abs/2310.09994v1
• Date: Mon, 16 Oct 2023 00:42:25 GMT
• Title: A Survey of Graph and Attention Based Hyperspectral Image Classification Methods for Remote Sensing Data
• Authors: Aryan Vats, Manan Suri
• Abstract summary: The use of Deep Learning techniques for classification in Hyperspectral Imaging (HSI) is rapidly growing. Recent methods have also explored the usage of Graph Convolution Networks and their unique ability to use node features in prediction.
• Score: 5.1901440366375855
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The use of Deep Learning techniques for classification in Hyperspectral Imaging (HSI) is rapidly growing and achieving improved performances. Due to the nature of the data captured by sensors that produce HSI images, a common issue is the dimensionality of the bands that may or may not contribute to the label class distinction. Due to the widespread nature of class labels, Principal Component Analysis is a common method used for reducing the dimensionality. However,there may exist methods that incorporate all bands of the Hyperspectral image with the help of the Attention mechanism. Furthermore, to yield better spectral spatial feature extraction, recent methods have also explored the usage of Graph Convolution Networks and their unique ability to use node features in prediction, which is akin to the pixel spectral makeup. In this survey we present a comprehensive summary of Graph based and Attention based methods to perform Hyperspectral Image Classification for remote sensing and aerial HSI images. We also summarize relevant datasets on which these techniques have been evaluated and benchmark the processing techniques.

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