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IMAGING THROUGH SCATTERING MEDIA USING CHARACTERISTICS OF THE TEMPORAL DISTRIBUTION OF TRANSMITTED LASER-PULSES

HEBDEN, JC; (1995) IMAGING THROUGH SCATTERING MEDIA USING CHARACTERISTICS OF THE TEMPORAL DISTRIBUTION OF TRANSMITTED LASER-PULSES. OPT LASER TECHNOL , 27 (4) 263 - 268.

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Abstract

An object consisting of small inhomogeneities embedded in a highly scattering solution was imaged using measurements of the time-resolved transmitted intensity of picosecond pulses of near-infrared light. Data acquisition involved translating the object in two orthogonal directions across the beam, and recording the temporal distribution of transmitted light at a series of discrete positions. Images were constructed from the total transmitted light, the first four moments of the temporal distribution, and from parameters derived from a comparison of the distribution with an analytical model, based on the diffusion approximation to the radiative transfer theory. The results show that the optical properties along a line-of-sight between source and detector influence some of these characteristics more than others.

Type: Article
Title: IMAGING THROUGH SCATTERING MEDIA USING CHARACTERISTICS OF THE TEMPORAL DISTRIBUTION OF TRANSMITTED LASER-PULSES
Keywords: MEDICAL IMAGING, NEAR-INFRARED IMAGING, SCATTERING MEDIA, DIFFUSION MODEL, OPTICAL-PROPERTIES, HIDDEN, TISSUE
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science > Medical Physics and Bioengineering
URI: http://discovery.ucl.ac.uk/id/eprint/57709
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