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My ICIP 2006 Schedule
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Paper Detail
| Paper: | WP-L2.2 |
| Session: | Magnetic Resonance Imaging |
| Time: | Wednesday, October 11, 14:40 - 15:00 |
| Presentation: |
Lecture |
| Topic: |
Biomedical Imaging: Magnetic resonance imaging |
| Title: |
ROTATIONAL INVARIANCE IN ADAPTIVE FMRI DATA ANALYSIS |
| Authors: |
Joakim Rydell; Linköping University | | | | | Hans Knutsson; Linköping University | | | | | Magnus Borga; Linköping University | | |
| Abstract: |
It has previously been shown that canonical correlation analysis (CCA) works well for detecting neural activity in fMRI data. This is due to the ability of CCA to perform simultaneous temporal modeling and adaptive spatial filtering of the data. In this paper, we demonstrate that our previously proposed method for CCA-based fMRI data analysis does not provide rotationally invariant detection of activated regions. We propose a modification of the previous method and show that it resolves the rotational invariance issue, thereby further improving the analysis method. |
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