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Related Experiment Videos

Integrating prior knowledge with deep learning for optimized quality control in corneal images: A multicenter study.

Fen-Fen Li1, Gao-Xiang Li2, Xin-Xin Yu1

  • 1National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, PR China.

Computer Methods and Programs in Biomedicine
|May 4, 2025
PubMed
Summary

A new Hybrid Prior-Net (HP-Net) system effectively classifies slit-lamp images, improving diagnostic accuracy in telemedicine. This AI tool enhances medical imaging quality control by handling image variability.

Keywords:
Artificial intelligenceCornea diseaseHybrid prior-netImage quality controlSlit-lamp images

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Area of Science:

  • Ophthalmology
  • Artificial Intelligence
  • Medical Imaging

Background:

  • Artificial intelligence (AI) models excel with high-quality slit-lamp images but struggle with real-world clinical variability.
  • Image quality control is crucial for reliable AI-driven diagnostics in ophthalmology.
  • Telemedicine applications require robust AI tools that can handle diverse image conditions.

Purpose of the Study:

  • To develop and evaluate a hybrid AI-based image quality control system for classifying slit-lamp images.
  • To enhance diagnostic accuracy and efficiency in ophthalmic telemedicine.
  • To address challenges posed by image variability in clinical settings.

Main Methods:

  • A cross-sectional study utilizing internal (Zhejiang Eye Hospital, 2982 images) and external datasets (Aier Guangming Eye Hospital, 13,554 images; First People's Hospital of Aksu, 9853 images).
  • Development of Hybrid Prior-Net (HP-Net), a novel network combining ResNet classification with Hough circle transform and frequency domain blur detection.
  • Feature concatenation in HP-Net to improve classification of eligible, misaligned, blurred, and underexposed corneal images.

Main Results:

  • HP-Net achieved superior performance with 99.03% accuracy, 98.21% precision, 95.18% recall, 99.36% specificity, and 96.54% F1-score.
  • HP-Net effectively filtered images from external datasets, achieving 97.23% (AGEH) and 96.97% (FPH of Aksu) accuracy.
  • Demonstrated superior feature extraction and classification capabilities of HP-Net across all metrics.

Conclusions:

  • The AI-based image quality control system provides a robust solution for corneal image classification, significantly benefiting telemedicine.
  • Incorporating usable but slightly blurred images into training enhances AI reliability and adaptability for medical imaging quality control.
  • The system paves the way for more accurate and efficient diagnostic workflows in ophthalmology.