Weakly Supervised Pixel-Level Annotation with Visual Interpretability

• URL: http://arxiv.org/abs/2502.17824v1
• Date: Tue, 25 Feb 2025 04:03:22 GMT
• Title: Weakly Supervised Pixel-Level Annotation with Visual Interpretability
• Authors: Basma Nasir, Tehseen Zia, Muhammad Nawaz, Catarina Moreira,
• Abstract summary: We propose an automated explainable annotation system that integrates ensemble learning, visual explainability, and uncertainty quantification.<n>Our approach combines three pre-trained deep learning models - ResNet50, EfficientNet, and DenseNet - enhanced with XGrad-CAM for visual explanations and Monte Carlo Dropout for uncertainty quantification.<n> Experimental results show that our method outperforms baseline models, achieving 93.04% accuracy on TBX11K and 96.4% accuracy on the Fire dataset.
• Score: 1.5035157506526693
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Medical image annotation is essential for diagnosing diseases, yet manual annotation is time-consuming, costly, and prone to variability among experts. To address these challenges, we propose an automated explainable annotation system that integrates ensemble learning, visual explainability, and uncertainty quantification. Our approach combines three pre-trained deep learning models - ResNet50, EfficientNet, and DenseNet - enhanced with XGrad-CAM for visual explanations and Monte Carlo Dropout for uncertainty quantification. This ensemble mimics the consensus of multiple radiologists by intersecting saliency maps from models that agree on the diagnosis while uncertain predictions are flagged for human review. We evaluated our system using the TBX11K medical imaging dataset and a Fire segmentation dataset, demonstrating its robustness across different domains. Experimental results show that our method outperforms baseline models, achieving 93.04% accuracy on TBX11K and 96.4% accuracy on the Fire dataset. Moreover, our model produces precise pixel-level annotations despite being trained with only image-level labels, achieving Intersection over Union IoU scores of 36.07% and 64.7%, respectively. By enhancing the accuracy and interpretability of image annotations, our approach offers a reliable and transparent solution for medical diagnostics and other image analysis tasks.

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