Analysis of functional magnetic resonance images by wavelet decomposition. - Urs E. Ruttimann; Nick F. Ramsey; Daniel W. Hommer; Philippe Thévenaz; Chulhee Lee; Michael Unser (ICIP, 1995)

Iterative multi-scale registration without landmarks. - Philippe Thévenaz; Urs E. Ruttimann; Michael Unser (ICIP (3), 1995)

A pyramid approach to subpixel registration based on intensity. - Philippe Thévenaz; Urs E. Ruttimann; Michael Unser (IEEE Trans. Image Process., 1998)

Statistical Analysis of Function MRI Data in the Wavelet Domain. - Urs E. Ruttimann; Michael Unser; Robert R. Rawlings; Daniel E. Rio; Nick F. Ramsey; Venkata S. Mattay; Daniel W. Hommer; Joseph A. Frank; Daniel R. Weinberger (IEEE Trans. Medical Imaging, 1998)

Determining the Hurst exponent of fractal time series and its application to electrocardiographic analysis. - Paolo DePetrillo; d'Armond L. Speers; Urs E. Ruttimann (Comput. Biol. Medicine, 1999)