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Wavelet-Based Analysis of fMRI

Investigators: Dimitri Van De Ville, Ildar Khalidov, Thierry Blu

Summary: We have developed and refined a general wavelet-based approach for the analysis of fMRI data.

Collaborations: Prof. Michael Unser, Dr. François Lazeyras (HUG)

Period: 1997-ongoing

Major Publications

[1] 

I. Khalidov, J. Fadili, F. Lazeyras, D. Van De Ville, M. Unser, "Activelets: Wavelets for Sparse Representation of Hemodynamic Responses," Signal Processing, vol. 91, no. 12, pp. 2810-2821, December 2011.

[2] 

D. Van De Ville, T. Blu, M. Unser, "Integrated Wavelet Processing and Spatial Statistical Testing of fMRI Data," NeuroImage, vol. 23, no. 4, pp. 1472-1485, December 2004.

[3] 

D. Van De Ville, T. Blu, M. Unser, "Wavelets Versus Resels in the Context of fMRI: Establishing the Link with SPM," Proceedings of the SPIE Conference on Mathematical Imaging: Wavelet Applications in Signal and Image Processing X, San Diego CA, USA, August 4-8, 2003, vol. 5207, part I, pp. 417-425.

[4] 

M. Feilner, T. Blu, M. Unser, "Optimizing Wavelets for the Analysis of fMRI Data," Proceedings of the SPIE Conference on Mathematical Imaging: Wavelet Applications in Signal and Image Processing VIII, San Diego CA, USA, July 31-August 4, 2000, vol. 4119, pp. 626-637.

[5] 

U.E. Ruttimann, M. Unser, R.R. Rawlings, D. Rio, N.F. Ramsey, V.S. Mattay, D.W. Hommer, J.A. Frank, D.R. Weinberger, "Statistical Analysis of Functional MRI Data in the Wavelet Domain," IEEE Transactions on Medical Imaging, vol. 17, no. 2, pp. 142-154, April 1998.

[6] 

M. Unser, P. Thévenaz, C. Lee, U.E. Ruttimann, "Registration and Statistical Analysis of PET Images Using the Wavelet Transform," IEEE Engineering in Medecine and Biology Magazine, vol. 14, no. 5, pp. 603-611, September-October 1995.

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