An edge detection-based deep learning approach for tear meniscus height measurement

• URL: http://arxiv.org/abs/2403.15853v1
• Date: Sat, 23 Mar 2024 14:16:26 GMT
• Title: An edge detection-based deep learning approach for tear meniscus height measurement
• Authors: Kesheng Wang, Kunhui Xu, Xiaoyu Chen, Chunlei He, Jianfeng Zhang, Dexing Kong, Qi Dai, Shoujun Huang,
• Abstract summary: We introduce an automatic TMH measurement technique based on edge detection-assisted annotation within a deep learning framework. For improved segmentation of the pupil and tear meniscus areas, the convolutional neural network Inceptionv3 was first implemented. The algorithm can automatically screen images based on their quality,segment the pupil and tear meniscus areas, and automatically measure TMH.
• Score: 20.311238180811404
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Automatic measurements of tear meniscus height (TMH) have been achieved by using deep learning techniques; however, annotation is significantly influenced by subjective factors and is both time-consuming and labor-intensive. In this paper, we introduce an automatic TMH measurement technique based on edge detection-assisted annotation within a deep learning framework. This method generates mask labels less affected by subjective factors with enhanced efficiency compared to previous annotation approaches. For improved segmentation of the pupil and tear meniscus areas, the convolutional neural network Inceptionv3 was first implemented as an image quality assessment model, effectively identifying higher-quality images with an accuracy of 98.224%. Subsequently, by using the generated labels, various algorithms, including Unet, ResUnet, Deeplabv3+FcnResnet101, Deeplabv3+FcnResnet50, FcnResnet50, and FcnResnet101 were trained, with Unet demonstrating the best performance. Finally, Unet was used for automatic pupil and tear meniscus segmentation to locate the center of the pupil and calculate TMH,respectively. An evaluation of the mask quality predicted by Unet indicated a Mean Intersection over Union of 0.9362, a recall of 0.9261, a precision of 0.9423, and an F1-Score of 0.9326. Additionally, the TMH predicted by the model was assessed, with the fitting curve represented as y= 0.982x-0.862, an overall correlation coefficient of r^2=0.961 , and an accuracy of 94.80% (237/250). In summary, the algorithm can automatically screen images based on their quality,segment the pupil and tear meniscus areas, and automatically measure TMH. Measurement results using the AI algorithm demonstrate a high level of consistency with manual measurements, offering significant support to clinical doctors in diagnosing dry eye disease.

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