Influence of Active Shape Model Segmentation Method on Optical Reconstruction

Yuqing Hou; Haowen Hu; Fengjun Zhao; Xuelei He; Huangjian Yi; Xiaowei He

doi:10.3788/AOS201838.0211001

Journals >Acta Optica Sinica >Volume 38 >Issue 2 >Page 0211001 > Article

Acta Optica Sinica
Vol. 38, Issue 2, 0211001 (2018)

Influence of Active Shape Model Segmentation Method on Optical Reconstruction

Yuqing Hou, Haowen Hu, Fengjun Zhao^*, Xuelei He, Huangjian Yi, and Xiaowei He

Author Affiliations

School of Information and Technology, Northwest University, Xi'an, Shaanxi 710127, China

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DOI: 10.3788/AOS201838.0211001 Cite this Article Set citation alerts

Yuqing Hou, Haowen Hu, Fengjun Zhao, Xuelei He, Huangjian Yi, Xiaowei He. Influence of Active Shape Model Segmentation Method on Optical Reconstruction[J]. Acta Optica Sinica, 2018, 38(2): 0211001 Copy Citation Text

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Left kidney image segmentation results obtained by different methods. (a) ASM1 method; (b) ASM2 method; (c) ASM3 method; (d) ASM4 method; (e) Snake method; (f) manual segmentation

Fig. 1. Left kidney image segmentation results obtained by different methods. (a) ASM1 method; (b) ASM2 method; (c) ASM3 method; (d) ASM4 method; (e) Snake method; (f) manual segmentation

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Reconstruction results of the new grids obtained by different methods and the original grid. (a) ASM1 method; (b) ASM2 method; (c) ASM3 method; (d) ASM4 method; (e) Snake method; (f) original grid

Fig. 2. Reconstruction results of the new grids obtained by different methods and the original grid. (a) ASM1 method; (b) ASM2 method; (c) ASM3 method; (d) ASM4 method; (e) Snake method; (f) original grid

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Organ	μ_ax	μ_sx	μ_am	μ_sm
Muscle	0.0052	1.08	0.0068	1.03
Heart	0.0083	1.01	0.0104	0.99
Lung	0.0133	1.97	0.0203	1.95
Liver	0.0329	0.70	0.0176	0.65
Kidney	0.0660	2.25	0.0380	2.02
Stomach	0.0114	1.74	0.0070	1.36

Table 1. Optical parameters of digital mouse modelmm-1

Method	Dice coefficient	Hausdorff distance /mm
ASM1	0.80	0.98
ASM2	0.86	0.52
ASM3	0.89	0.41
ASM4	0.90	0.30
Snake	0.84	0.78

Table 2. Accuracy of segmentation based on active shape models and Snake model

Method	$\begin{matrix} {d_{f}}_{} \end{matrix}$ /mm	Reconstructed density /(nW·mm^-3)	Number of nodes	Number of tetrahedrons
ASM1	3.85	2.86×10^-2	3878	18852
ASM2	2.33	3.19×10^-2	3926	19099
ASM3	1.96	3.18×10^-2	3851	18636
ASM4	1.75	3.03×10^-2	3917	19011
Snake	2.92	2.97×10^-2	3872	18767
Original	1.70	3.13×10^-2	3823	18504

Table 3. Reconstruction results

Yuqing Hou, Haowen Hu, Fengjun Zhao, Xuelei He, Huangjian Yi, Xiaowei He. Influence of Active Shape Model Segmentation Method on Optical Reconstruction[J]. Acta Optica Sinica, 2018, 38(2): 0211001

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