Table 1.

Investigated datasets for mucosal SCC segmentation task and corresponding number of NBI videoframes per patient.

Oral cavity
	No. patients	No. frames per patient	No. frames
	6	1	6
	26	2	52
	8	4	32
	5	4	20
Total	45		110
Oropharynx
	No. patients	No. frames per patient	No. frames
	10	2	20
	8	3	24
	12	4	48
	4	6	24
Total	34		116