An Automatic Knee Osteoarthritis Diagnosis Method Based on Deep Learning: Data from the Osteoarthritis Initiative

Table 2

Label distribution of the cropped ROI.

	KL-0	KL-1	KL-2	KL-3	KL-4
Total ROI	3234	1475	2186	1141	266
Training set	2587	1180	1749	913	213
Validation set	647	295	437	228	53