Title :
Intensity-based pointwise processing in dynamic laser speckle analysis
Author :
Elena Stoykova;Natalia Berberova;Dimana Nazarova;Atanas Gotchev
Author_Institution :
Korea Electronics Technology Institute, 8Floor, #1599, Sangam-dong, Mapo-gu, Seoul 121-835, Korea
Abstract :
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.
Keywords :
"Speckle","Histograms","Correlation","Fluctuations","Charge coupled devices","Signal processing algorithms","Heuristic algorithms"
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2015 11th Conference on
DOI :
10.1109/CLEOPR.2015.7376008
