Sciweavers

57 search results - page 1 / 12
» Voting experts: An unsupervised algorithm for segmenting seq...
Sort
View
IDA
2007
Springer
13 years 4 months ago
Voting experts: An unsupervised algorithm for segmenting sequences
We describe a statistical signature of chunks and an algorithm for finding chunks. While there is no formal definition of chunks, they may be reliably identified as configurat...
Paul R. Cohen, Niall M. Adams, Brent Heeringa
DCC
2005
IEEE
14 years 4 months ago
The Markov Expert for Finding Episodes in Time Series
We describe a domain-independent, unsupervised algorithm for refined segmentation of time series data into meaningful episodes, focusing on the problem of text segmentation. The V...
Jimming Cheng, Michael Mitzenmacher
MICCAI
2008
Springer
14 years 5 months ago
Joint Segmentation of Thalamic Nuclei from a Population of Diffusion Tensor MR Images
Abstract. Several recent studies explored the use of unsupervised segmentation methods for segmenting thalamic nuclei from diffusion tensor images. These methods provide a plausibl...
Ulas Ziyan, Carl-Fredrik Westin
ICDM
2009
IEEE
97views Data Mining» more  ICDM 2009»
13 years 11 months ago
Hierarchical Probabilistic Segmentation of Discrete Events
—Segmentation, the task of splitting a long sequence of discrete symbols into chunks, can provide important information about the nature of the sequence that is understandable to...
Guy Shani, Christopher Meek, Asela Gunawardana