Explainable Analysis of Deep Learning Methods for SAR Image Classification

• URL: http://arxiv.org/abs/2204.06783v1
• Date: Thu, 14 Apr 2022 06:42:21 GMT
• Title: Explainable Analysis of Deep Learning Methods for SAR Image Classification
• Authors: Shenghan Su, Ziteng Cui, Weiwei Guo, Zenghui Zhang, Wenxian Yu
• Abstract summary: We utilize explainable artificial intelligence (XAI) methods for the SAR image classification task. We trained state-of-the-art convolutional neural networks for each polarization format on OpenSARUrban dataset. Occlusion achieves the most reliable interpretation performance in terms of Max-Sensitivity but with a low-resolution explanation heatmap.
• Score: 11.861924367762033
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Deep learning methods exhibit outstanding performance in synthetic aperture radar (SAR) image interpretation tasks. However, these are black box models that limit the comprehension of their predictions. Therefore, to meet this challenge, we have utilized explainable artificial intelligence (XAI) methods for the SAR image classification task. Specifically, we trained state-of-the-art convolutional neural networks for each polarization format on OpenSARUrban dataset and then investigate eight explanation methods to analyze the predictions of the CNN classifiers of SAR images. These XAI methods are also evaluated qualitatively and quantitatively which shows that Occlusion achieves the most reliable interpretation performance in terms of Max-Sensitivity but with a low-resolution explanation heatmap. The explanation results provide some insights into the internal mechanism of black-box decisions for SAR image classification.

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