Development and application of Talbot images technique for reconstruction of three dimensional objects

David I. Serrano; Amalia Martínez; Alfonso Serrano-Heredia; J. A. Rayas

doi:10.1117/12.681346

14 August 2006 Development and application of Talbot images technique for reconstruction of three dimensional objects

David I. Serrano, Amalia Martínez, Alfonso Serrano-Heredia, J. A. Rayas

Proceedings Volume 6292, Interferometry XIII: Techniques and Analysis; 62921I (2006) https://doi.org/10.1117/12.681346
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

We present a non-contact system for obtaining three-dimensional objects topography. The described system combines the fringe projection technique and the Talbot effect which is knowed like Talbot interferometry. In fringe projection technique, the digitalization is realized when black and white lines are projected over the object and this image is captured by the CCD. In Talbot interferometry, the object is collocated on one of the grating auto-image planes. The deformed grating image is captured by the CCD and superposed with other reference one that can be physical or computer generated (virtual/synthetic) for obtaining a moire pattern which gives information about the object topography. The topography of a coin and phalangeal articulation are obtained by using of this technique. The Spatial Synchronous Detection and Fourier Method were incorporate to retrieve the phase.

Citation Download Citation

David I. Serrano, Amalia Martínez, Alfonso Serrano-Heredia, and J. A. Rayas "Development and application of Talbot images technique for reconstruction of three dimensional objects", Proc. SPIE 6292, Interferometry XIII: Techniques and Analysis, 62921I (14 August 2006); https://doi.org/10.1117/12.681346

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