@INPROCEEDINGS{KunchevaICPR12,
title = {{PCA} feature extraction for change detection in 
    multidimensional unlabelled streaming data},
author = {L. I. Kuncheva and W. J. Faithfull},
booktitle = {Proc. 21st International Conference on Pattern 
    Recognition {(ICPR 2012)}},
year = {2012},
address = {Tsukuba, Japan},
pages = {1140--1143}
}