Giorgio Tomasi, Thomas Skov and Frans van den Berg
Introduction
Many analytical signals based on time-trajectories show artifacts appear as shifts. Of the many algorithms developed to correct for these artifacts DTW (named Dynamic Multi-way Warping – DMW – to distinguish it form other implementations) and COW are implemented as Matlab code.
Reference
Main reference for alignment:
Correlation Optimized Warping and Dynamic Time Warping as Preprocessing Methods for Chromatographic Data
Tomasi, G., van den Berg, F., Andersson, C., Journal of Chemometrics 18(2004)231-241
Automatic selection of COW parameters by “optim_cow.m”:
Automated Alignment of Chromatographic Data
Skov T, van den Berg F, Tomasi G, Bro R (2006) Automated alignment of chromatographic data, Journal of Chemometrics, 20 (11-12): 484-497
Source
