Table 1 Description of the datasets used for lung segmentation.

From: Automatic scoring of COVID-19 severity in X-ray imaging based on a novel deep learning workflow

Dataset

Source

Training

Validation

Testing

Total

Darwin

50

4884

611

611

6106/90%

Montgomery

51

110

14

14

138/2%

Shenzhen

52

452

57

57

566/8%

Total

–

5446/80%

682/10%

682/10%

6810/100%

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