Table 1.

An overview of existing GI datasets.

Dataset	Findings	Size	Availability
CVC-35618	Polyps	356 images†	by request●
CVC-ClinicDB19 (also named CVC-612)	Polyps	612 images†	open academic
CVC-VideoClinicDB18 (also named CVC-12k)	Polyps	11954 images†	by request●
CVC-ColonDB62	Polyps	380 images†ψ	by request●
Endoscopy Artifact detection 201963	Endoscopic Artifacts	5,138 images	open academic
ASU-Mayo polyp database20	Polyps	18,781 images†	by request●
ETIS-Larib Polyp DB64	Polyps	196 images†	open academic
KID65◊	Angiectasia, bleeding, inflammations, polyps	2371 images and 47 videos	open academic●
GIANA 201766◊	Polyps & Angiodysplasia	3462 images and 38 videos	by request
GIANA 201867,68◊	Polyps & Small bowel lesions	8262 images and 38 videos	by request
GASTROLAB69	GI lesions	Some 100s of images and few videos	open academic♣
WEO Clinical Endoscopy Atlas70	GI lesions	152 images	by request♣
GI Lesions in Regular Colonoscopy Data Set71	GI lesions	76 images†	by request
Atlas of Gastrointestinal Endoscope72	GI lesions	1295 images	unknown●
El salvador atlas of gastrointestinal video endoscopy73	GI lesions	5071 video clips	open academic♣
Kvasir22	Polyps, esophagitis, ulcerative colitis, Z-line, pylorus, cecum, dyed polyp, dyed resection margins, stool	8000 images	open academic
Kvasir-SEG49	Polyps	1000 images†	open academic
Nerthus74	Stool - categorization of bowel cleanliness	21 videos	open academic

^†Including ground truth segmentation masks. ^◊Video capsule endoscopy. ^●Not available anymore. ^ψContour.

^♣Not really a dataset usable for machine learning. It is more a medical atlas or database for education with a several low-quality samples of various findings in the GI tract.