Detection of inhomogeneities in diffusive media using spatially modulated light

The use of structured light for object localization in diffusive media is discussed. The improvement of spatial resolution is shown. Phase detection of the spatially modulated light is proposed as a method for the localization of inclusions in the medium. Fast three-dimensional localization of an ab...

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Veröffentlicht in:	Optics letters 2009-07, Vol.34 (14), p.2156-2158
Hauptverfasser:	BASSI, Andrea, D'ANDREA, Cosimo, VALENTINI, Gianluca, CUBEDDU, Rinaldo, ARRIDGE, Simon
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Exact sciences and technology Fundamental areas of phenomenology (including applications) Image Interpretation, Computer-Assisted - methods Imaging and optical processing Imaging, Three-Dimensional - methods Lighting - methods Nephelometry and Turbidimetry - methods Optics Physics
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Zusammenfassung:	The use of structured light for object localization in diffusive media is discussed. The improvement of spatial resolution is shown. Phase detection of the spatially modulated light is proposed as a method for the localization of inclusions in the medium. Fast three-dimensional localization of an absorbing object based on finite-element analysis reconstruction is demonstrated with experimental data.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/ol.34.002156