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Three-Dimensional Shape Measurements of Specular Objects Using Phase-Measuring Deflectometry

Zhang, Zonghua, Wang, Yuemin, Huang, Shujun, Liu, Yue, Chang, Caixia, Gao, Feng and Jiang, Xiangqian (2017) Three-Dimensional Shape Measurements of Specular Objects Using Phase-Measuring Deflectometry. Sensors, 17 (12). p. 2835. ISSN 1424-8220

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Abstract

The fast development in the fields of integrated circuits, photovoltaics, the automobile industry, advanced manufacturing, and astronomy have led to the importance and necessity of quickly and accurately obtaining three-dimensional (3D) shape data of specular surfaces for quality control and function evaluation. Owing to the advantages of a large dynamic range, non-contact operation, full-field and fast acquisition, high accuracy, and automatic data processing, phase-measuring deflectometry (PMD, also called fringe reflection profilometry) has been widely studied and applied in many fields. Phase information coded in the reflected fringe patterns relates to the local slope and height of the measured specular objects. The 3D shape is obtained by integrating the local gradient data or directly calculating the depth data from the phase information. We present a review of the relevant techniques regarding classical PMD. The improved PMD technique is then used to measure specular objects having discontinuous and/or isolated surfaces. Some influential factors on the measured results are presented. The challenges and future research directions are discussed to further advance PMD techniques. Finally, the application fields of PMD are briefly introduced

Item Type: Article
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
Schools: School of Computing and Engineering
Related URLs:
Depositing User: Sharon Beastall
Date Deposited: 18 Dec 2017 11:18
Last Modified: 26 Mar 2018 16:15
URI: http://eprints.hud.ac.uk/id/eprint/34099

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