Table 2.

COVID-19 segmentation databases.

Database	# CT-Scan	# Slices
COVID-19 CT segmentation dataset [24] March 2020	40 CT-scans	100 slices
Segmentation dataset nr. 2 [24] April 2020	9 CT-scans	Total of 829 slices from which 373 infected slices
MOSMEDDATA Segmentation [25] May 2020	50 (the 10th slice was kept from each CT-scan)	50
COVID-19-CT-Seg-Benchmark dataset [26] April 2021	20 COVID-19 CT-scans	Total: 1800 slices with 300 infected slices
The proposed dataset	183 CT-scans	3986 labelled slices, where COVID-19 Infection percentage were estimated by two expert Radiologists