id	keyword
cana-5234	covid
cana-5234	images
cana-5234	feature
cana-5234	segmentation
cana-5234	body
cana-5234	extraction
cana-5234	pixel
cana-5234	medical
cana-5234	multi
cana-5234	covid-19
cana-5234	contour
cana-5234	neural
cana-5234	cnn
cana-5234	scale
cana-5234	resolution
cana-5234	picture