核心概念
COVID-19 detection model using 3D CT scans achieves high accuracy by focusing on lesion-related areas and utilizing ResNeSt50 as a feature extractor.
摘要
1. Abstract:
Proposed model focuses on lesion-related areas in 3D CT scans for accurate COVID-19 detection.
Utilizes ResNeSt50 as a feature extractor with pretrained weights for improved performance.
2. Introduction:
Chest CT scans crucial for diagnosing COVID-19 due to detailed insights into lung involvement.
Deep learning applied for automatic COVID-19 detection, addressing challenges in previous approaches.
3. Methodology:
Framework involves analyzing and processing 3D CT scans to remove irrelevant slices.
Utilizes ResNeSt50 as a feature extractor with transfer learning for improved classification results.
4. Experiments:
Data pre-processing includes resizing volumes and intensity normalization.
Training details involve data augmentations, optimizer settings, and evaluation metrics.
5. Conclusion:
Proposed model effectively detects COVID-19 by focusing on lesion-related areas and utilizing transfer learning with pretrained weights.
統計資料
Our model achieves a Macro F1 Score of 0.94 on the validation set of the COV19D Competition Challenge I, surpassing the baseline by 16%.
The database includes 7,756 3D CT scans, with 1,661 COVID-19 samples and 6,095 non-COVID-19 samples.