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Title
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Development and validation of an accurate one pixel resolution temporal profilometry technique
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Author
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Abstract
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| Profilometry is widely used as a control method in automation systems or for scanning and converting real objects into 3 dimensional models. Different techniques using grids and lasers can be found in literature. The available techniques can be divided into two main categories: temporal and spatial profilometry [1,2,3]. Most setups are based on the spatial phase unwrapping method in which there is only need for one or a few images. The problem when using this class of unwrapping algorithms is that discontinuities in the model are difficult to measure. In this paper a temporal method is proposed in which a LCD projector is used in combination with an industrial camera. The proposed technique has a high accuracy, can handle discontinuities and is insensitive to variable light conditions. |
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Language
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English
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Source (book)
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Proceedings of the 4th International Conference on Optical Measurement Techniques for Structures & Systems OPTIMESS 2009, Antwerp, Belgium, 25-26 May 2009. - Maastricht, 2009
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Publication
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Maastricht
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Shaker
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2009
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ISBN
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978-90-423-0366-9
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978-90-423-0366-9
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Volume/pages
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(2009)
, p. 297-306
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ISI
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000281199400030
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