Knee point detect methods
Q. Zhao, V. Hautamäki, P. Fränti. "Knee Point Detection in BIC for Detecting the Number of Clusters". ACIVS 2008,LNCS 5259, pp.664-673, 2008.
Q. Zhao, M. Xu, P. Fränti. "Knee Point Detection on Bayesian Information Criterion". 20th IEEE Int'l Conference on Tools with Artificial Intelligence, pp.431-438, 2008 IEEE.
Cluster Validity indexes
Internal indexes in Random Swap clustering
including: SSW, SSB (for sum-of-squares based indexes), Dunn, DBI, WB-index, Silhouette coefficient, Silhouette coefficient'08, Xie-Beni, BIC and S_Dbw.
Extension of external index into internal
Q. Zhao, M. Xu and P. Fränti, "Expanding external validity measures for determining the number of clusters", 11th International Conference on Intelligent Systems Design and Applications, 2011, ISDA'11.
Expectation Maximization algorithms
Q. Zhao, V. Hautamäki, I. Känrkkäninen and P. Fränti, "Random swap EM algorithm for finite mixtures models in image segmentation", IEEE Int. Conf. on Image Processing (ICIP'09), Cairo, Egypt, 2397-2400, November 2009.
Q. Zhao, V. Hautamäki and P. "Fränti, "RSEM: an accelerated algorithm on repeated EM", IEEE International Conference on Image and Graphics, (ICIG'11), 2011.
Split and merge EM
Random swap EM
package is needed for EM variants:
Additional experiment results:
Parameters in SMEM and GAEM
More experimental results
Color-texture image segmentation
JSEG (Matlab implementation)
Y.Deng, and B.S.Manjunath, "Unsupervised segmentation of color-texture regions in images and video," IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI '01), August 2001.
email: firstname.lastname@example.org (B357)