Biological specimens analysis using dynamic speckle spectral bands

G. H. Sendra; J. C. Salerno; C. Weber; H. J. Rabal; R. Arizaga; M. Trivi

doi:10.1117/12.612606

26 August 2005 Biological specimens analysis using dynamic speckle spectral bands

G. H. Sendra, J. C. Salerno, C. Weber, H. J. Rabal, R. Arizaga, M. Trivi

Proceedings Volume 5858, Nano- and Micro-Metrology; 585811 (2005) https://doi.org/10.1117/12.612606
Event: Optical Metrology, 2005, Munich, Germany

Abstract

Dynamic speckle or biospeckle is observed in biological samples illuminated by laser light. The properties and applications of this phenomenon have been treated in the literature. In this paper, we present a method of dynamic speckle analysis based on the filtering in frequency bands of the temporary history of each pixel. Butterworth filters are applied to the temporary evolution and different images are constructed showing the energy in each frequency band. Applications on vegetable specimens examples are shown.

Citation Download Citation

G. H. Sendra, J. C. Salerno, C. Weber, H. J. Rabal, R. Arizaga, and M. Trivi "Biological specimens analysis using dynamic speckle spectral bands", Proc. SPIE 5858, Nano- and Micro-Metrology, 585811 (26 August 2005); https://doi.org/10.1117/12.612606

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KEYWORDS

Speckle

Biological research

Linear filtering

Electronic filtering

Image filtering

Blood circulation

Lanthanum

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