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arXiv · 2508.03739

A Modified VGG19-Based Framework for Accurate and Interpretable Real-Time Bone Fracture Detection

Md. Ehsanul Haque·Abrar Fahim·Shamik Dey·Syoda Anamika Jahan·S. M. Jahidul Islam·Sakib Rokoni·Md Sakib Morshed
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Abstract

Early and accurate detection of the bone fracture is paramount to initiating treatment as early as possible and avoiding any delay in patient treatment and outcomes. Interpretation of X-ray image is a time consuming and error prone task, especially when resources for such interpretation are limited by lack of radiology expertise. Additionally, deep learning approaches used currently, typically suffer from misclassifications and lack interpretable explanations to clinical use. In order to overcome these challenges, we propose an automated framework of bone fracture detection using a VGG-19 model modified to our needs. It incorporates sophisticated preprocessing techniques that include Contrast Limited Adaptive Histogram Equalization (CLAHE), Otsu's thresholding, and Canny edge detection, among others, to enhance image clarity as well as to facilitate the feature extraction. Therefore, we use Grad-CAM, an Explainable AI method that can generate visual heatmaps of the model's decision making process, as a type of model interpretability, for clinicians to understand the model's decision making process. It encourages trust and helps in further clinical validation. It is deployed in a real time web application, where healthcare professionals can upload X-ray images and get the diagnostic feedback within 0.5 seconds. The performance of our modified VGG-19 model attains 99.78\% classification accuracy and AUC score of 1.00, making it exceptionally good. The framework provides a reliable, fast, and interpretable solution for bone fracture detection that reasons more efficiently for diagnoses and better patient care.

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Md. Ehsanul Haque, Abrar Fahim, Shamik Dey, Syoda Anamika Jahan, S. M. Jahidul Islam, Sakib Rokoni, Md Sakib Morshed. 2025-07-31. A Modified VGG19-Based Framework for Accurate and Interpretable Real-Time Bone Fracture Detection. https://arxiv.org/abs/2508.03739

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