Towards explainable AI for hyperspectral image classification in Edge Computing environments

doi:10.1016/j.compeleceng.2022.108381

Towards explainable AI for hyperspectral image classification in Edge Computing environments

2022-10-01

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DOI：10.1016/j.compeleceng.2022.108381

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Several Remote Sensing applications in Hyperspectral Imaging rely on Artificial Intelligence techniques, particularly Deep Neural Networks, which often outperform other algorithms. However, despite their effectiveness, these techniques are considered opaque for the non -linearity of the underlying model, making a conscious results interpretation difficult even for experts in the application field. The present work aims to describe the results of our experiments toward Explainable Artificial Intelligence techniques for hyperspectral remote sensing image classification in Edge Computing environments. The proposed technique extends the traditional 2D Gradient-weighted Class Activation Mapping (Grad-CAM) to 3D Convolutional Neural Networks. Moreover, we use spectral-cumulative Grad-CAM and class probability as complementary methods. The experimental results confirm that the observer can interpret the choices made within neural network layers by visualizing the activation volumes provided by the proposed method.

Keywords:

Edge computing

Hyperspectral imaging

Remote sensing

Image classification

Convolutional neural networks

Explainable artificial intelligence

Data visualization

Towards explainable AI for hyperspectral image classification in Edge Computing environments

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