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Authors: Tong Tu and Wooi-Boon Goh

Affiliation: School of Computer Engineering, Nanyang Technological University, Singapore

Keyword(s): Moiré pattern analysis, Image-based metrology, Surface reconstruction.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Image and Video Analysis ; Image Formation and Preprocessing ; Image Formation, Acquisition Devices and Sensors ; Surface Geometry and Shape

Abstract: When repetitive high frequency patterns appear in the view of a charge-coupled device (CCD) camera, annoying low frequency Moiré patterns are often observed. This paper demonstrates that such Moiré pattern can useful in measuring surface deformation and displacement. What is required, in our case, is that the surface in question is textured with appropriately aligned black and white line gratings and this surface is imaged using a grey scaled CCD camera. The characteristics of the observed Moiré patterns are described along with a spatial domain model-fitting algorithm that is able to extract a dense camera-to-surface displacement measures. The experimental results discuss the reconstruction of planar incline and curved surfaces using only a coarse 33 lines per inch line grating patterns printed from a 600 dpi printer.

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Paper citation in several formats:
Tu, T. and Goh, W. (2009). MOIRÉ PATTERNS FROM A CCD CAMERA - Are They Annoying Artifacts or Can They be Useful? . In Proceedings of the Fourth International Conference on Computer Vision Theory and Applications (VISIGRAPP 2009) - Volume 1: VISAPP; ISBN 978-989-8111-69-2; ISSN 2184-4321, SciTePress, pages 51-58. DOI: 10.5220/0001807700510058

@conference{visapp09,
author={Tong Tu. and Wooi{-}Boon Goh.},
title={MOIRÉ PATTERNS FROM A CCD CAMERA - Are They Annoying Artifacts or Can They be Useful? },
booktitle={Proceedings of the Fourth International Conference on Computer Vision Theory and Applications (VISIGRAPP 2009) - Volume 1: VISAPP},
year={2009},
pages={51-58},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001807700510058},
isbn={978-989-8111-69-2},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Fourth International Conference on Computer Vision Theory and Applications (VISIGRAPP 2009) - Volume 1: VISAPP
TI - MOIRÉ PATTERNS FROM A CCD CAMERA - Are They Annoying Artifacts or Can They be Useful?
SN - 978-989-8111-69-2
IS - 2184-4321
AU - Tu, T.
AU - Goh, W.
PY - 2009
SP - 51
EP - 58
DO - 10.5220/0001807700510058
PB - SciTePress

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