Large area roughness measurements using spectral speckle correlation
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DOI: 10.1117/1.oe.64.7.074101
Abstract: Abstract. Surface roughness is a critical quality parameter in metal sheet processing, yet the current measurement methods are limited and just capable of assessing areas of up to a few square millimeters in-line. A fast… read more here.
Keywords: spectral speckle; surface; using spectral; roughness ... See more keywords
Influence of object motion on roughness measurements using spectral speckle correlation
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DOI: 10.1364/oe.578858
Abstract: Spectral speckle correlation (SSC) enables fast, non-contact surface-roughness metrology, but object motion usually degrades its accuracy. We aim to enable measurements on moving objects and present a unified model that separates the total correlation into… read more here.
Keywords: object motion; spectral speckle; roughness; speckle ... See more keywords