EFFICIENCY OF VECTOR FIELD FILTRATION ALGORITHMS IN ESTIMATING MATERIAL STRAIN BY THE METHOD OF DIGITAL IMAGE CORRELATION
S. V. Panin1,2, V. V. Titkov1, P. S. Lyubutin1
1Institute of Strength Physics and Material Science, Siberian Branch, pr. Akademicheskii 2/4, Tomsk, 634021 Russia
svp@ispms.tsc.ru
2Tomsk Polytechnical University, pr. Lenina 30, Tomsk, 634050 Russia
Keywords: filtration, noise, vector fields, shear strain intensity
Abstract
Various filtration methods are compared by an example of processing of model and experimental vector fields. A criterion for estimating the filtration efficiency is proposed. It is demonstrated that combined vector filters ensure more efficient filtration than other popular methods.
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