3D reconstruction for sinusoidal motion based on different feature detection algorithms

Peng Zhang; Jin Zhang; Huaxia Deng; Liandong Yu

doi:10.1117/12.2181388

6 March 2015 3D reconstruction for sinusoidal motion based on different feature detection algorithms

Peng Zhang, Jin Zhang, Huaxia Deng, Liandong Yu

Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 94463L (2015) https://doi.org/10.1117/12.2181388
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China

Abstract

The dynamic testing of structures and components is an important area of research. Extensive researches on the methods of using sensors for vibration parameters have been studied for years. With the rapid development of industrial high-speed camera and computer hardware, the method of using stereo vision for dynamic testing has been the focus of the research since the advantages of non-contact, full-field, high resolution and high accuracy. But in the country there is not much research about the dynamic testing based on stereo vision, and yet few people publish articles about the three-dimensional (3D) reconstruction of feature points in the case of dynamic. It is essential to the following analysis whether it can obtain accurate movement of target objects. In this paper, an object with sinusoidal motion is detected by stereo vision and the accuracy with different feature detection algorithms is investigated. Three different marks including dot, square and circle are stuck on the object and the object is doing sinusoidal motion by vibration table. Then use feature detection algorithm speed-up robust feature (SURF) to detect point, detect square corners by Harris and position the center by Hough transform. After obtaining the pixel coordinate values of the feature point, the stereo calibration parameters are used to achieve three-dimensional reconstruction through triangulation principle. The trajectories of the specific direction according to the vibration frequency and the frequency camera acquisition are obtained. At last, the reconstruction accuracy of different feature detection algorithms is compared.

Citation Download Citation

Peng Zhang, Jin Zhang, Huaxia Deng, and Liandong Yu "3D reconstruction for sinusoidal motion based on different feature detection algorithms", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94463L (6 March 2015); https://doi.org/10.1117/12.2181388

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