7 May 2012 Review and comparison of non-conventional imaging systems for three-dimensional digitization of transparent objects
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Abstract
Fashion and design greatly influence the conception of manufactured products which now exhibit complex forms and shapes. Two-dimensional quality control procedures (e.g., shape, textures, colors, and 2D geometry) are progressively being replaced by 3D inspection methods (e.g., 3D geometry, colors, and texture on the 3D shape) therefore requiring a digitization of the object surface. Three dimensional surface acquisition is a topic which has been studied to a large extent, and a significant number of techniques for acquiring 3D shapes has been proposed, leading to a wide range of commercial solutions available on the market. These systems cover a wide range from micro-scale objects such as shape from focus and shape from defocus techniques, to several meter sized objects (time of flight technique). Nevertheless, the use of such systems still encounters difficulties when dealing with non-diffuse (non Lambertian) surfaces as is the case for transparent, semi-transparent, or highly reflective materials (e.g., glass, crystals, plastics, and shiny metals). We review and compare various systems and approaches which were recently developed for 3D digitization of transparent objects.
© 2012 SPIE and IS&T
Fabrice Meriaudeau, Rindra Rantoson, David Fofi, Christophe Stolz, "Review and comparison of non-conventional imaging systems for three-dimensional digitization of transparent objects," Journal of Electronic Imaging 21(2), 021105 (7 May 2012). https://doi.org/10.1117/1.JEI.21.2.021105 . Submission:
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