A Hybrid Method for Endocardial Contour Extraction of Right Ventricle in 4-Slices from 3D Echocardiography Dataset

Table 2

Quantitative evaluations for experimental results of RV endocardial contour extraction using manual-to-automatic comparison.

3D-echo data Total	4-slices	RMSD	DC	PTP (%)	PFP (%)
Set number 1 ()	S1	1.62 ± 0.24	0.94 ± 0.02	92.20 ± 3.17	8.40 ± 3.90
	S2	1.81 ± 0.30	0.94 ± 0.03	89.90 ± 6.30	11.37 ± 6.30
	S3	2.02 ± 0.41	0.92 ± 0.02	90.32 ± 3.55	10.45 ± 4.46
	S4	2.29 ± 0.42	0.92 ± 0.01	90.70 ± 3.10	9.83 ± 3.82
Set number 2 ()	S1	2.54 ± 0.38	0.88 ± 0.03	97.85 ± 0.54	1.80 ± 0.56
	S2	3.16 ± 0.29	0.83 ± 0.02	98.19 ± 0.31	1.35 ± 0.26
	S3	2.36 ± 0.32	0.86 ± 0.02	97.92 ± 1.11	1.71 ± 1.14
	S4	2.34 ± 0.38	0.88 ± 0.03	97.80 ± 0.58	1.82 ± 0.60
Set number 3 ()	S1	2.25 ± 0.39	0.80 ± 0.04	97.40 ± 1.60	2.04 ± 1.49
	S2	2.43 ± 0.30	0.83 ± 0.02	98.30 ± 0.29	1.27 ± 0.26
	S3	2.74 ± 0.28	0.80 ± 0.05	98.35 ± 0.26	1.20 ± 0.31
	S4	2.82 ± 0.43	0.82 ± 0.03	98.21 ± 0.27	1.30 ± 0.28
Set number 4 ()	S1	1.30 ± 0.21	0.92 ± 0.01	96.87 ± 1.01	2.86 ± 0.99
	S2	1.78 ± 0.20	0.89 ± 0.02	94.70 ± 3.34	5.51 ± 3.51
	S3	2.07 ± 0.24	0.87 ± 0.02	92.75 ± 3.73	6.78 ± 3.79
	S4	1.93 ± 0.28	0.88 ± 0.03	91.45 ± 4.05	8.45 ± 4.49
Overall		2.21 ± 0.35	0.87 ± 0.026	95.59 ± 1. 75	4.37 ± 1.94