Fracture Surface Matching Method for Terracotta Based on Feature Points

Fuqun Zhao; Guohua Geng

doi:10.3788/LOP55.041005

Journals >Laser & Optoelectronics Progress >Volume 55 >Issue 4 >Page 041005 > Article

Laser & Optoelectronics Progress
Vol. 55, Issue 4, 041005 (2018)

Fracture Surface Matching Method for Terracotta Based on Feature Points

Fuqun Zhao^1、2、* and Guohua Geng¹

Author Affiliations

¹ School of Education Science, Xianyang Normal University, Xianyang, Shaanxi 712000, China

¹ School of Information and Technology, Northwest University, Xi'an, Shaanxi 710127, China

² School of Information and Technology, Northwest University, Xi'an, Shaanxi 710127, China

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DOI: 10.3788/LOP55.041005 Cite this Article Set citation alerts

Fuqun Zhao, Guohua Geng. Fracture Surface Matching Method for Terracotta Based on Feature Points[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041005 Copy Citation Text

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Fig. 1. Terracotta blocks. (a) Group 1; (b) group 2; (c) group 3; (d) group 4

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Fig. 2. Coarse matching results. (a) Group 1; (b) group 2; (c) group 3; (d) group 4

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Fig. 3. Fine matching results. (a) Group 1; (b) group 2; (c) group 3; (d) group 4

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Block	Point number of fracture surface	Matching method	RMS /mm	Time comsuming /s
Group 1	3501, 3714	Method in Ref. [16]	0.0297	6.5
		Method in Ref. [17]	0.0238	5.9
		Method in Ref. [18]	0.0235	5.2
		Proposed method	0.0206	4.6
Group 2	3712, 3849	Method in Ref. [16]	0.0295	6.4
		Method in Ref. [17]	0.0237	5.7
		Method in Ref. [18]	0.0233	5.1
		Proposed method	0.0234	4.5
Group 3	3177, 3014	Method in Ref. [16]	0.0310	6.8
		Method in Ref. [17]	0.0241	6.1
		Method in Ref. [18]	0.0239	5.9
		Proposed method	0.0212	5.7
Group 4	2543, 2711	Method in Ref. [16]	0.0304	6.5
		Method in Ref. [17]	0.0245	5.8
		Method in Ref. [18]	0.0241	5.1
		Proposed method	0.0219	4.6

Table 1. Operating parameters of blocks matching methods

Fuqun Zhao, Guohua Geng. Fracture Surface Matching Method for Terracotta Based on Feature Points[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041005

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