Intensity-based pointwise processing in dynamic laser speckle analysis

Stoykova, Elena; Berberova, Natalia; Nazarova, Dimana; Gotchev, Atanas (2016-01-07)
 
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Stoykova, Elena
Berberova, Natalia
Nazarova, Dimana
Gotchev, Atanas
07.01.2016

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doi:10.1109/CLEOPR.2015.7376008
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https://urn.fi/URN:NBN:fi:tty-201606174269

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Intensity-based pointwise algorithms for 2D evaluation of activity in optical metrology with dynamic speckle analysis are studied. They are applied to a temporal sequence of correlated speckle patterns formed at laser illumination of the object surface. A new algorithm is proposed that provides the same quality of the 2D activity map but at less computational effort.

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