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Junpeng Xue, Qican Zhang, Chenghang Li, Wei Lang, Min Wang and Yanfei Hu
In this paper, the galvanometer scanner with infrared fringe projection is introduced for structured light 3D shape metrology. The proposed system has the characteristics of high-speed projection, low-cost, small-size, infrared or visible illumination, a...
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Chao Kong, Yuanping Xu, Zhuowei Li, Chaolong Zhang, Tukun Li, Iain Macleod, Xiangqian Jiang, Dan Tang and Jun Lu
This paper illustrates a systematical surface topography measurement and evaluation method based on a 3D optical system. Firstly, the point cloud data of the workpiece are extracted by the use of a 3D structured light measurement system, and the STEP fil...
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Yi-Sha Ku, Po-Yi Chang, Han-Wen Lee, Chun-Wei Lo, Yi-Chang Chen and Chia-Hung Cho
We developed a telecentric 3D measurement system based on the fringe projection technique to measure phases corresponding to the 3D shape of bumps on a surface. A measurement algorithm based on an area scan camera with a flexibly programmable region of i...
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Christian Bräuer-Burchardt, Christoph Munkelt, Ingo Gebhart, Matthias Heinze, Stefan Heist, Peter Kühmstedt and Gunther Notni
In this study, we introduce a new calibration method for underwater optical stereo scanners. It uses air calibration, additional underwater parameters, and extended camera modeling. The new methodology can be applied to both passive photogrammetric and s...
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Zekui Lv, Xinghua Li, Zhikun Su, Dong Zhang, Xiaohuan Yang, Haopeng Li, Jue Li and Fengzhou Fang
The micro-displacement measurement system with 2D/3D has become increasingly important in the field of scientific research and technology application. In order to explore the application of an optical surface in micro-displacement measurement, a novel an...
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Ivana Bari?ic, Tihomir Dok?anovic and Matija Zvonaric
Digital image correlation (DIC) is a method of point displacement measurement by an optical system. If two cameras are used for capturing the same point displacement, three-dimensional data are obtained using the 3D-DIC method. The areas of application o...
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Liang Chang, Jixiu Liu, Zui Chen, Jie Bai and Leizheng Shu
In on-orbit services, the relative position and attitude estimation of non-cooperative spacecraft has become the key issues to be solved in many space missions. Because of the lack of prior knowledge about manual marks and the inability to communicate be...
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Mohd Tajularif Ibrahim, Nur Afiqah Hashim, Nasrul Anuar Abd Razak, Noor Azuan Abu Osman, Hossein Gholizadeh and Suryani Dyah Astuti
Increased pressure and shear stress distributions at the limb?socket interface are hypothesised to result from changes in the residual limb shape and volume, which can cause socket fit difficulties. Accurate residual limb volume measurements may aid clin...
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Ken Wakimoto, Kazuhisa Chiba, Hiroyuki Kato and Kazuyuki Nakakita
This study conducted wind tunnel tests with consecutive deflection angle changes on a three-dimensional (3D) wing with a control surface to procure aerodynamic data by sweeping the deflection angle. Configuration changes of a wind tunnel test model, such...
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