| 条纹投影形貌测量的品质评估位相展开 |
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| 引用本文： | C.J.Tay. 条纹投影形貌测量的品质评估位相展开[J]. 实验力学, 2006, 21(1) |
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| 作者姓名： | C.J.Tay |
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| 作者单位： | Department of |
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| 摘 要： | 0Introduction Phaseunwrappingisrelatedtomanyresearchdisciplinesincludingopticalmetrology,synthetic apertureradar,acousticimaging,magneticresonanceimaging(MRI)andmicrowaveinterferometry.AnexcellenttextbookbyGhigliaandPritt[1]presentedthefundamentaltheoryan…
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Quality Guided Phase Unwrapping for Fringe Projection Profilometry |
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| L.J.Chen,C.Quan,C.J.Tay. Quality Guided Phase Unwrapping for Fringe Projection Profilometry[J]. Journal of Experimental Mechanics, 2006, 21(1) |
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| Authors: | L.J.Chen C.Quan C.J.Tay |
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| Abstract: | Fringe projection technique is a non-contact, full field 3-D shape measurement method. The object depth information is recorded in one or several deformed fringe patterns. The phase-shifting algorithm or the Fourier transform method can be used to extract the wrapped phase data. A phase unwrapping process is then applied to retrieve a continuous phase distribution, which represents the surface profile of the test object. In this paper, a quality-guided phase unwrapping approach is incorporated and two novel phase quality evaluation methods are proposed to facilitate the phase unwrapping process. |
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| Keywords: | phase quality phase unwrapping fringe projection profilometry phase-shifting Fourier transform |
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