3D Medical Volume Segmentation Using Hybrid Multiresolution Statistical Approaches

Table 2

Error percentage of spheres measurement using different segmentation techniques.

Spheres Diameter (mm)			10	13	17	22	28	37
𝐾-means [11]			−13.6	−11.5	−5.77	−5.51	−5.1	−5.01
MRFM [11]			−7.41	−8.69	4.28	4.06	3.9	3.89
Clustering [11]			18.6	16	9	7.5	5.5	1.1
Iterative Thresholding [39]			3	3.1	0.6	0.9	1.1	1.8
2D Thresholding			−4.8	−8.15	0.06	−0.36	1.07	1.14
2D-DWT	Haar	Level 1	−2.9	−2.46	1.35	0.82	0.29	0.05
(Proposed)		Level 2	−10.9	−6.67	3.88	−1.3	−0.76	−1.95
		Level 3	NA^∗	NA^∗	5.65	−18.2	2.57	−3.24
	Daubechies	Level 1	−7.43	−2.69	0.12	2	2.17	1.81
		Level 2	−5.2	0.15	−4.24	0.73	0.62	−0.11
3D Thresholding (Proposed)			0.59	0.77	0.17	1.11	2.2	6.08
3D-DWT (Proposed)			−2.67	−1.93	−0.74	4.75	3.37	0.77