* Pattern Recognition, Volume 115, 2021, 107895, ISSN 0031-3203 * 26 pages, 23 figures, expanded version of a paper accepted for
publication in Pattern Recognition. This revision fixed minor typos in the
two algorithms Access Paper or Ask Questions
* Proceedings of SIAM International Conference on Data Mining, pp.
309-317, SIAM 2017 * Note: This is a corrected version of the paper published in SDM'17.
In the equation on page 4, the range of the sum has been corrected Access Paper or Ask Questions