AN ADVANCED COARSE-FINE SEARCH APPROACH FOR DIGITAL IMAGE CORRELATION APPLICATIONS
Samo Simončič, Melita Kompolšek, Primož Podržaj
Facta Universitatis. Series: Mechanical Engineering · 2016
doi:10.22190/fume1601063s (opens in a new tab)
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Abstract
The paper presents a newly developed fine search algorithm used in the application of digital correlation. In order to evaluate its performance a special purpose application was developed using C# programming language. The algorithm was then tested on a pre-prepared set of the computer generated speckled images. It turned out to be much faster than the conventional fine search algorithm. Consequently, it is a major step forward in a never ending quest for a fast digital correlation execution with sub pixel accuracy.
Abstract licence: CC BY-NC-ND
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