Performance of intensity-based non-normalized pointwise algorithms in dynamic speckle analysis
No Thumbnail Available
Date
2015-09-17
External link to pdf file
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84943620686&origin=inward
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Intensity-based pointwise non-normalized algorithms for 2D evaluation of activity in optical metrology with dynamic speckle analysis are studied and compared. They are applied to a temporal sequence of correlated speckle patterns formed at laser illumination of the object surface. Performance of each algorithm is assessed through the histogram of estimates it produces. A new algorithm is proposed that provides the same quality of the 2D activity map for less computational effort. The algorithms are applied both to synthetic and experimental data.