Lacunarity study of speckle patterns produced by rough surfaces

M.R.B. Dias, D. Dornelas, W.F. Balthazar, J.A.O. Huguenin and L. da Silva

Physica A: Statistical Mechanics and its Applications, 2017, vol. 486, issue C, 328-336

Abstract: In this work we report on the study of Lacunarity of digital speckle patterns generated by rough surfaces. The study of Lacunarity of speckle patterns was performed on both static and moving rough surfaces. The results show that the Lacunarity is sensitive to the surface roughness, which suggests that it can be used to perform indirect measurement of surface roughness as well as to monitor defects, or variations of roughness, of metallic moving surfaces. Our results show the robustness of this statistical tool applied to speckle pattern in order to study surface roughness.

Keywords: Lacunarity; Speckle pattern; Roughness (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:486:y:2017:i:c:p:328-336

DOI: 10.1016/j.physa.2017.05.022

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