Confidence-Driven Deep Learning Framework for Early Detection of Knee Osteoarthritis

• URL: http://arxiv.org/abs/2303.13203v2
• Date: Wed, 15 Jan 2025 20:41:42 GMT
• Title: Confidence-Driven Deep Learning Framework for Early Detection of Knee Osteoarthritis
• Authors: Zhe Wang, Aladine Chetouani, Yung Hsin Chen, Yuhua Ru, Fang Chen, Mohamed Jarraya, Fabian Bauer, Liping Zhang, Didier Hans, Rachid Jennane,
• Abstract summary: Knee Osteoarthritis (KOA) is a prevalent musculoskeletal disorder that severely impacts mobility and quality of life.<n>We propose a confidence-driven deep learning framework for early KOA detection, focusing on distinguishing KL-0 and KL-2 stages.<n> Experimental results demonstrate that the proposed framework achieves competitive accuracy, sensitivity, and specificity, comparable to those of expert radiologists.
• Score: 8.193689534916988
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Knee Osteoarthritis (KOA) is a prevalent musculoskeletal disorder that severely impacts mobility and quality of life, particularly among older adults. Its diagnosis often relies on subjective assessments using the Kellgren-Lawrence (KL) grading system, leading to variability in clinical evaluations. To address these challenges, we propose a confidence-driven deep learning framework for early KOA detection, focusing on distinguishing KL-0 and KL-2 stages. The Siamese-based framework integrates a novel multi-level feature extraction architecture with a hybrid loss strategy. Specifically, multi-level Global Average Pooling (GAP) layers are employed to extract features from varying network depths, ensuring comprehensive feature representation, while the hybrid loss strategy partitions training samples into high-, medium-, and low-confidence subsets. Tailored loss functions are applied to improve model robustness and effectively handle uncertainty in annotations. Experimental results on the Osteoarthritis Initiative (OAI) dataset demonstrate that the proposed framework achieves competitive accuracy, sensitivity, and specificity, comparable to those of expert radiologists. Cohen's kappa values (k > 0.85)) confirm substantial agreement, while McNemar's test (p > 0.05) indicates no statistically significant differences between the model and radiologists. Additionally, Confidence distribution analysis reveals that the model emulates radiologists' decision-making patterns. These findings highlight the potential of the proposed approach to serve as an auxiliary diagnostic tool, enhancing early KOA detection and reducing clinical workload.

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