Enhancing Explainable AI: A Hybrid Approach Combining GradCAM and LRP for CNN Interpretability

• URL: http://arxiv.org/abs/2405.12175v1
• Date: Mon, 20 May 2024 16:58:24 GMT
• Title: Enhancing Explainable AI: A Hybrid Approach Combining GradCAM and LRP for CNN Interpretability
• Authors: Vaibhav Dhore, Achintya Bhat, Viraj Nerlekar, Kashyap Chavhan, Aniket Umare,
• Abstract summary: We present a new technique that explains the output of a CNN-based model using a combination of GradCAM and LRP methods. Both of these methods produce visual explanations by highlighting input regions that are important for predictions.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We present a new technique that explains the output of a CNN-based model using a combination of GradCAM and LRP methods. Both of these methods produce visual explanations by highlighting input regions that are important for predictions. In the new method, the explanation produced by GradCAM is first processed to remove noises. The processed output is then multiplied elementwise with the output of LRP. Finally, a Gaussian blur is applied on the product. We compared the proposed method with GradCAM and LRP on the metrics of Faithfulness, Robustness, Complexity, Localisation and Randomisation. It was observed that this method performs better on Complexity than both GradCAM and LRP and is better than atleast one of them in the other metrics.

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