Analysis of laser speckle severity, granularity, and anisotropy using the power spectral density in polar-coordinate representation

Desmond C. Ong; Sanjeev Solanki; Xinan Liang; Xuewu Xu

doi:10.1117/1.OE.51.5.054301

4 May 2012 Analysis of laser speckle severity, granularity, and anisotropy using the power spectral density in polar-coordinate representation

Desmond C. Ong, Sanjeev Solanki, Xinan Liang, Xuewu Xu

Author Affiliations +

Optical Engineering, Vol. 51, Issue 5, 054301 (May 2012). https://doi.org/10.1117/1.OE.51.5.054301

Abstract

The conventional speckle contrast measures only speckle severity, and is unable to characterize granularity and anisotropy in displayed images, which are easily picked up by human observers. Here, we propose a comprehensive method based on the power spectral density which allows the simultaneous measurement of three components of laser speckle-severity, granularity and anisotropy-as a superior way to evaluate both speckle and speckle reduction techniques.

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Desmond C. Ong, Sanjeev Solanki, Xinan Liang, and Xuewu Xu "Analysis of laser speckle severity, granularity, and anisotropy using the power spectral density in polar-coordinate representation," Optical Engineering 51(5), 054301 (4 May 2012). https://doi.org/10.1117/1.OE.51.5.054301

Published: 4 May 2012

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