31 May 2001 Shadow inversion in cw transillumination imaging and image projection function of highly scattering medium with absorbing inhomogeneity
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Abstract
Imaging of absorbing inhomogeneity hidden in the multiply scattering media by means of the CW transillumination technique is considered. The effect of inversion of spatial distribution of transilluminated intensity in the region of inhomogeneity shadow was demonstrated in the experiments with phantom scattering object such as rectangular Teflon plate with cylindrical channel filled with water solution of black ink as absorbing substance. Qualitative analysis of the observed shadow inversion effect described as the manifestation of the image projection function peculiarity is carried out by means of Monte-Carlo simulation.
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Liana V. Kuznetsova, Roman A. Zdrajevsky, Dmitry A. Zimnyakov, "Shadow inversion in cw transillumination imaging and image projection function of highly scattering medium with absorbing inhomogeneity", Proc. SPIE 4242, Saratov Fall Meeting 2000: Coherent Optics of Ordered and Random Media, (31 May 2001); doi: 10.1117/12.427754; https://doi.org/10.1117/12.427754
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