Table 7 File organization of the lung segmentation dataset.

From: POLCOVID: a multicenter multiclass chest X-ray database (Poland, 2020–2021)

Record type

Source collection

Filename

#Files

Metadata

All

metadata_segmentation.csv

1

Original CXRs

POLCOVID

POLCOVID.zip

4003

Manually created lung masks

POLCOVID

POLCOVID_masks.zip

4003

National Institute of Health – Clinical Center

NIH.zip

1124

Shenzhen No.3 Hospital, Shenzhen, China

SHENZHEN.zip

662

Department of Health and Human Services of Montgomery County, USA

DHHS.zip

138

Guangzhou Women and Children’s Medical Center, Guangzhou, China

GUANGZHOU.zip

370