Is speech data clustered? - statistical analysis of cepstral features. - Tomi Kinnunen; Ismo Kärkkäinen; Pasi Fränti (INTERSPEECH, 2001)

Dynamic Local Search for Clustering with Unknown Number of Clusters. - Ismo Kärkkäinen; Pasi Fränti (ICPR (2), 2002)

Class-Discriminative Weighted Distortion Measure for VQ-based Speaker Identification. - Tomi Kinnunen; Ismo Kärkkäinen (SSPR/SPR, 2002)

Classification of binary vectors by using SC distance to minimize stochastic complexity. - Pasi Fränti; Mantao Xu; Ismo Kärkkäinen (Pattern Recognit. Lett., 2003)

Variable metric for binary vector ouantization. - Ismo Kärkkäinen; Pasi Fränti (ICIP, 2004)

Outlier Detection Using k-Nearest Neighbour Graph. - Ville Hautamäki; Ismo Kärkkäinen; Pasi Fränti (ICPR (3), 2004)

Improving K-Means by Outlier Removal. - Ville Hautamäki; Svetlana Cherednichenko; Ismo Kärkkäinen; Tomi Kinnunen; Pasi Fränti (SCIA, 2005)

Gradual model generator for single-pass clustering. - Ismo Kärkkäinen; Pasi Fränti (Pattern Recognit., 2007)

Maximum a Posteriori Adaptation of the Centroid Model for Speaker Verification. - Ville Hautamäki; Tomi Kinnunen; Ismo Kärkkäinen; Juhani Saastamoinen; Marko Tuononen; Pasi Fränti (IEEE Signal Process. Lett., 2008)

Developing Speaker Recognition System: From Prototype to Practical Application. - Pasi Fränti; Juhani Saastamoinen; Ismo Kärkkäinen; Tomi Kinnunen; Ville Hautamäki; Ilja Sidoroff (e-Forensics, 2009)

The I4U system in NIST 2008 speaker recognition evaluation. - Haizhou Li 001; Bin Ma 001; Kong-Aik Lee; Hanwu Sun; Donglai Zhu; Khe Chai Sim; Changhuai You; Rong Tong; Ismo Kärkkäinen; Chien-Lin Huang; Vladimir Pervouchine; Wu Guo; et al. (ICASSP, 2009)

Random swap EM algorithm for finite mixture models in image segmentation. - Qinpei Zhao; Ville Hautamäki; Ismo Kärkkäinen; Pasi Fränti (ICIP, 2009)

Random swap EM algorithm for Gaussian mixture models. - Qinpei Zhao; Ville Hautamäki; Ismo Kärkkäinen; Pasi Fränti (Pattern Recognit. Lett., 2012)