100 search results - page 1 / 20 » An information-based clustering approach for fMRI activation... |
ISBI
2008
IEEE
14 years 5 months ago
2008
IEEE
Most clustering algorithms in fMRI analysis implicitly require some nontrivial assumption on data structure. Due to arbitrary distribution of fMRI time series in the temporal doma...
MICCAI
2006
Springer
14 years 5 months ago
2006
Springer
Traditional techniques for statistical fMRI analysis are often based on thresholding of individual voxel values or averaging voxel values over a region of interest. In this paper w...
ISBI
2004
IEEE
14 years 5 months ago
2004
IEEE
Despite its potential advantages for fMRI analysis, fuzzy C-means (FCM) clustering suffers from limitations such as the need for a priori knowledge of the number of clusters, and ...
ISBI
2008
IEEE
14 years 5 months ago
2008
IEEE
Within-subject analysis in fMRI relies on both (i) a detection step to localize which parts of the brain are activated by a given stimulus type, and on (ii) an estimation step to ...
MICCAI
2009
Springer
14 years 5 months ago
2009
Springer
In functional Magnetic Resonance Imaging (fMRI) data analysis, normalization of time series is an important and sometimes necessary preprocessing step in many widely used methods. ...