Application of SUSAN Corner Detection and Matching Algorithm in High Temperature Deformation Measurement

YU Helong; SU Hengqiang; WANG Yan; FENG Xue

doi:10.7527/S1000-6893.2013.0195

ACTA AERONAUTICAET ASTRONAUTICA SINICA >

2013 , Vol. 34 >Issue 5: 1064 - 1072

DOI: https://doi.org/10.7527/S1000-6893.2013.0195

Solid Mechanics and Vehicle Conceptual Design

Application of SUSAN Corner Detection and Matching Algorithm in High Temperature Deformation Measurement

YU Helong ,
SU Hengqiang ,
WANG Yan ,
FENG Xue

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1. School of Aerospace, Tsinghua University, Beijing 100084, China;
2. College of Information Technology, Jilin Agricultural University, Changchun 130118, China

Received date: 2012-06-13

Revised date: 2012-10-24

Online published: 2012-11-22

Supported by

National Natural Science Foundation of China (90816007, 91116006, 10902059)

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Abstract

Deformation measurement at high temperatures is one of the hot and important issues in the study of the methods of mechanical properties experiments. In order to achieve accurate deformation measurements in a high temperature environment, this paper applies smallest univalue segment assimilating nucleus (SUSAN) corner detection and optical flow tracking matching techniques and proposes a method of high temperature deformation measurement based on SUSAN corner features. This method makes full use of the advantages of SUSAN corner features, and maintains the high accuracy, strong anti-interference ability, etc. By testing the simulated speckle images, the paper finds that the error is kept within 1%, and the algorithm has not only high accuracy, but also good stability. High temperature mechanics experiments show that this method can be applied to high temperature deformation measurements. This study extends the application of image recognition technology in the field of non-contact measurement technology.

Key words： high temperature; strain measurement; machine vision; image matching; feature extraction

Cite this article

YU Helong , SU Hengqiang , WANG Yan , FENG Xue . Application of SUSAN Corner Detection and Matching Algorithm in High Temperature Deformation Measurement[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013 , 34(5) : 1064 -1072 . DOI: 10.7527/S1000-6893.2013.0195

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