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Updated: Aug 14, 2025

Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography
Published on: November 30, 2022
A multi-task convolutional neural network for classification and segmentation of chronic venous disorders
Bruno Oliveira1,2,3,4,5, Helena R Torres6,7,8,9,10, Pedro Morais9,10
1Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal. boliveira@ipca.pt.
A new deep learning model, VENet, automatically segments and classifies Chronic Venous Disorders (CVD) with high accuracy. This AI approach aids in early diagnosis and monitoring of venous diseases, improving patient care.
Area of Science:
- Medical Imaging
- Artificial Intelligence
- Vascular Medicine
Background:
- Chronic Venous Disorders (CVD) are highly prevalent, affecting 35% of adults and posing increasing healthcare challenges due to aging populations.
- Current CVD diagnosis relies on subjective visual assessment, which is time-consuming and expertise-dependent.
- Accurate diagnosis and monitoring are crucial for effective CVD treatment planning and patient management.
Purpose of the Study:
- To develop an automated strategy for the joint segmentation and classification of Chronic Venous Disorders (CVD).
- To leverage a multi-task deep learning network (VENet) for improved efficiency and performance in CVD analysis.
- To enhance the robustness and accuracy of CVD diagnosis and lesion segmentation.
Main Methods:
- A novel multi-task deep learning network, VENet, was designed to perform simultaneous segmentation and classification of CVDs.
- The VENet model was trained and evaluated on a dataset comprising 1376 CVD images.
- Performance was benchmarked against existing state-of-the-art methods for both classification and segmentation tasks.
Main Results:
- VENet achieved high classification performance: 96.4% accuracy, 96.4% precision, and 97.2% recall.
- Segmentation performance metrics included a 75.4% Dice coefficient, 76.7% precision, and 76.7% recall.
- The joint learning approach demonstrated increased robustness for both segmentation and classification compared to standalone methods, particularly for small lesions.
Conclusions:
- The proposed VENet model offers an effective automated solution for the joint segmentation and classification of CVDs.
- This AI-driven approach shows significant potential to improve the accuracy and efficiency of diagnosing and monitoring lower limb venous disorders.
- The multi-task learning strategy enhances diagnostic capabilities, especially in identifying subtle or small venous lesions.
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