Table 1.

Number of slices in data sets for both experimental tasks.

(a) Cardiac segmentation data set
	Siemens	GE	Philips	Canon
Base	1120	0	0	0
Continual	614	720	2206	758
Validation	234	248	220	258
Test	228	246	216	252

(b) Lung nodule detection data set
	GE/L	GE/H	Siemens	LNDb
Base	253	0	0	0
Continual	136	166	102	479
Validation	53	23	10	55
Test	85	26	18	91