TABLE IV.

RMSE, AUC, and FWHM Measurement for 3 Vessels With Different Size Contained in FORBILD Phantom

		Full dose	KWIA 50% 2Rings	KWIA 50% 3Rings	KWIA 25% 3Rings	KWIA 25% 4Rings
RMSE	2.5 mm	/	0.014	0.016	0.026	0.027
	5 mm	/	0.006	0.006	0.010	0.011
	10 mm	/	0.003	0.003	0.005	0.005
AUC	2.5 mm	10.2	10.1	10.1	10.1	10.1
	error	/	~1%	~1%	~1%	~1%
	5 mm	12.2	12.2	12.2	12.3	12.3
	error	/	<1%	<1%	~1%	~1%
	10 mm	13.1	13.1	13.1	13.1	13.1
	error	/	<1%	<1%	<1%	<1%
FWHM(s) 2.5 mm		13.7	12.7	12.7	12.9	13.0
	error	/	7%	7%	6%	5%
	5 mm	13.1	12.9	12.9	13.0	13.1
	error	/	2%	2%	~ 1%	<1%
	10 mm	12.9	13.0	13.0	12.9	12.9
	error	/	~1%	~1%	<1%	<1%