Authors
Alberto Lavatelli, Emanuele Zappa
Publication date
2017/1/11
Journal
IEEE Transactions on Instrumentation and Measurement
Volume
66
Issue
3
Pages
451-459
Publisher
IEEE
Description
In this paper, the effects of motion blur on 2-D digital image correlation (DIC) measurements are discussed, with a particular focus on the description of displacement measurement uncertainty. The research started with the simulation of motion blur with a suitable literature-based algorithm. Then the state of the art of uncertainty analysis in the context of DIC was compared with simulation results, and it was found that the effects of motion blur on uncertainty are not predicted correctly by the literature models. This phenomenon is explained by the fact that the literature models do not consider motion blur. Consequently, a simple monodimensional case is analyzed. In this way, it has been possible to evaluate the sensitivity of DIC correlation function [evaluated as the sum of squared differences (SSD)] to motion blur. Using these results, it is possible to extend the analysis to the case of a generic image with the help of a …
Total citations
2016201720182019202020212022202320241371041671
Scholar articles