Table 2 Numbers of CXR images used for the lung segmentation model training, with regard to the data source and subset.
From: POLCOVID: a multicenter multiclass chest X-ray database (Poland, 2020–2021)
Source | Subset | TOTAL | ||
|---|---|---|---|---|
Training | Validation | Testing | ||
POLCOVID | 3403 | 300 | 300 | 4003 |
National Institute of Health – Clinical Center12 | 904 | 20 | 200 | 1124 |
Shenzhen No.3 Hospital, Shenzhen, China13 | 525 | 137 | 0 | 662 |
Department of Health and Human Services of Montgomery County, USA13 | 115 | 23 | 0 | 138 |
Guangzhou Women and Children’s Medical Center, Guangzhou, China14 | 300 | 20 | 50 | 370 |
TOTAL | 5247 | 500 | 550 | 6297 |
