Table 1:

Evaluation of brain ventricle parcellation on 70 NPH subjects. We performed paired two-tail Wilcoxon signed-rank tests between interpolation, JogSSR, and SMORE.

Metrics	Thickness	Interp.	JogSSR	SMORE	HR(0.9 mm)
SSIM	1.205 mm	0.9494	0.9507	0.9726*	1*
	1.928 mm	0.9013	0.9106	0.9389*
	3.0125 mm	0.8290	0.8400	0.8893*
	3.856 mm	0.7677	0.7812	0.8387*
	4.82 mm	0.7003	0.7170	0.7817*
PSNR	1.205 mm	35.0407	34.0472	39.5053*
	1.928 mm	31.9321	30.6444	35.7429*
	3.0125 mm	29.2785	27.4384	31.9878*	–
	3.856 mm	27.7562	25.7118	29.6050*
	4.82 mm	26.4127	24.2377	28.1593*
Dice(RLV)	1.205 mm	0.9704	0.9705	0.9712†	0.9715*
	1.928 mm	0.9678	0.9690	0.9706*
	3.0125 mm	0.9610	0.9635	0.9693*
	3.856 mm	0.9527	0.9578	0.9648*
	4.82 mm	0.9405	0.9498	0.9629*
Dice(LLV)	1.205 mm	0.9710	0.9709	0.9715†	0.9717†
	1.928 mm	0.9690	0.9693	0.9710*
	3.0125 mm	0.9638	0.9641	0.9699*
	3.856 mm	0.9571	0.9585	0.9663*
	4.82 mm	0.9469	0.9510	0.9638*
Dice(3rd)	1.205 mm	0.9149	0.9149	0.9163†	0.9174*
	1.928 mm	0.9095	0.9097	0.9141*
	3.0125 mm	0.8945	0.8940	0.9073*
	3.856 mm	0.8779	0.8761	0.8937*
	4.82 mm	0.8560	0.8545	0.8832*
Dice(4th)	1.205 mm	0.8954	0.8941	0.8973*	0.8983*
	1.928 mm	0.8891	0.8851	0.8947*
	3.0125 mm	0.8741	0.8657	0.8878*
	3.856 mm	0.8550	0.8463	0.8753*
	4.82 mm	0.8254	0.8216	0.8629*
Dice(whole)	1.205 mm	0.9690	0.9690	0.9696†	0.9699*
	1.928 mm	0.9665	0.9672	0.9690*
	3.0125 mm	0.9602	0.9614	0.9675*
	3.856 mm	0.9524	0.9552	0.9632*
	4.82 mm	0.9408	0.9470	0.9607*

The ‘*’ (p < 0.005) and ‘†’ (p < 0.05) indicate the method is significantly better than the other two methods. For the column of ‘HR’, they indicate that HR images give significantly better parcellation results than resolved images from the three methods with thickness of 1.205 mm.