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An accurate and robust method for the measurement of circular holes based on binocular vision
Xia RB(夏仁波); Su R(苏润); Zhao JB(赵吉宾); Chen YL(陈月玲); Fu SP(付生鹏); Tao LM(陶黎明); Xia ZY(夏中原)
Department工艺装备与智能机器人研究室
Corresponding AuthorSu, Run(surun@sia.cn)
Source PublicationMEASUREMENT SCIENCE AND TECHNOLOGY
ISSN0957-0233
2020
Volume31Issue:2Pages:1-10
Indexed BySCI ; EI
EI Accession number20195107837961
WOS IDWOS:000499386800001
Contribution Rank1
Funding OrganizationNational Key R&D Program of China [2018YFB1107800] ; National Science Foundation for Young Scientists of China [51805527]
Keywordhole measurement edge extraction ellipse fitting
Abstract

Circular holes in industrial parts are a very important feature which are often used as assembly references for other parts, so accurate measurement is required. Measurement of circular holes based on computer vision is a promising method but also very challenging, because it is tricky to find the edge of a hole accurately in an image. In this paper, an accurate and robust method for the measurement of circular holes is proposed. Firstly, highly trusted edge points of the hole are found based on pixel intensity information. Secondly, a new energy function model based on the epipolar geometry constraint is introduced to obtain the optimal edges of the hole. Finally, a spatial circular hole is accurately reconstructed by using the points on the optimized edges as input to a three-dimensional reconstruction method. Our experimental result shows that the proposed method could measure various circular holes from different views with an error of around 0.05?mm.

Language英语
WOS SubjectEngineering, Multidisciplinary ; Instruments & Instrumentation
WOS KeywordINSPECTION
WOS Research AreaEngineering ; Instruments & Instrumentation
Funding ProjectNational Key R&D Program of China[2018YFB1107800] ; National Science Foundation for Young Scientists of China[51805527]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/25974
Collection工艺装备与智能机器人研究室
Corresponding AuthorSu R(苏润)
Affiliation1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Xia RB,Su R,Zhao JB,et al. An accurate and robust method for the measurement of circular holes based on binocular vision[J]. MEASUREMENT SCIENCE AND TECHNOLOGY,2020,31(2):1-10.
APA Xia RB.,Su R.,Zhao JB.,Chen YL.,Fu SP.,...&Xia ZY.(2020).An accurate and robust method for the measurement of circular holes based on binocular vision.MEASUREMENT SCIENCE AND TECHNOLOGY,31(2),1-10.
MLA Xia RB,et al."An accurate and robust method for the measurement of circular holes based on binocular vision".MEASUREMENT SCIENCE AND TECHNOLOGY 31.2(2020):1-10.
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