Pasi A. Karjalainen

Pasi A. Karjalainen received the Ph.D. degree in 1997 from the University of Kuopio, Finland. Since 1988, he has been working in University of Kuopio as Researcher and in Kuopio University Hospital as Physicist. He is currently a Professor in the Department of Physics and he is leading the Research Group of Biomedical Signal Analysis and Medical Imaging. His research areas include biomedical signal analysis and medical imaging applications. Most of his work has been concerned with application of Bayesian and regularization methods to biomedical problems.

Biography Updated on 29 October 2006

Articles in Scholarly Journals [Incomplete List]

  1. Reproducibility of Loading Measurements With Skin-Mounted Accelerometers During Walking
    Archives of Physical Medicine and Rehabilitation, vol. 88, no. 7, pp. 907–915, 2007
  2. A Principal Component Regression Approach for Estimating Ventricular Repolarization Duration Variability
    EURASIP Journal on Advances in Signal Processing, vol. 2007, Article ID 58358, 10 pages, 2007
  3. A Subspace Method for Dynamical Estimation of Evoked Potentials
    Computational Intelligence and Neuroscience, vol. 2007, Article ID 61916, 11 pages, 2007
  4. Relationship of P300 single-trial responses with reaction time and preceding stimulus sequence
    International Journal of Psychophysiology, vol. 61, no. 2, pp. 244–252, 2006
  5. Time-varying analysis of heart rate variability signals with a Kalman smoother algorithm
    Physiological Measurement, vol. 27, no. 3, pp. 225–239, 2006
  6. High-resolution QRS fiducial point corrections in sparsely sampled ECG recordings
    Physiological Measurement, vol. 26, no. 5, pp. 743–751, 2005
  7. Single-Trial Dynamical Estimation of Event-Related Potentials: A Kalman Filter-Based Approach
    IEEE Transactions on Biomedical Engineering, vol. 52, no. 8, pp. 1397–1406, 2005
  8. Software for advanced HRV analysis
    Computer Methods and Programs in Biomedicine, vol. 76, no. 1, pp. 73–81, 2004
  9. Time-varying reconstruction in single photon emission computed tomography
    International Journal of Imaging Systems and Technology, vol. 14, no. 5, pp. 186–197, 2004
  10. Estimation of Nonstationary EEG With Kalman Smoother Approach: An Application to Event-Related Synchronization (ERS)
    IEEE Transactions on Biomedical Engineering, vol. 51, no. 3, pp. 516–524, 2004
  11. Single-trial estimation of multichannel evoked-potential measurements
    IEEE Transactions on Biomedical Engineering, vol. 50, no. 2, pp. 189–196, 2003
  12. Visual processing of coherent rotation in the central visual field: An fMRI study
    Perception, vol. 32, no. 10, pp. 1247–1257, 2003
  13. Heart rate variability in acute psychosis
    Psychophysiology, vol. 40, no. 5, pp. 716–726, 2003
  14. An advanced detrending method with application to HRV analysis
    IEEE Transactions on Biomedical Engineering, vol. 49, no. 2, pp. 172–175, 2002
  15. A new computational approach for cortical imaging
    IEEE Transactions on Medical Imaging, vol. 20, no. 4, pp. 325–332, 2001
  16. Analysis of galvanic skin responses with principal components and clustering techniques
    IEEE Transactions on Biomedical Engineering, vol. 48, no. 10, pp. 1071–1079, 2001
  17. Loss of Time-Organized Sympathetic Skin Responses in Acute Psychosis
    The Journal of Nervous and Mental Disease, vol. 189, no. 8, pp. 552–556, 2001
  18. Measurement Science and Technology, vol. 11, no. 9, pp. 1301–1306, 2000
  19. Perturbation expansions in polynomial root tracking
    Signal Processing, vol. 80, no. 3, pp. 515–523, 2000
  20. Effects of electrode properties on EEG measurements and a related inverse problem
    Medical Engineering & Physics, vol. 22, no. 8, pp. 535–545, 2000
  21. Effects of local skull inhomogeneities on EEG source estimation
    Medical Engineering & Physics, vol. 21, no. 3, pp. 143–154, 1999
  22. Subspace regularization method for the single-trial estimation of evoked potentials
    IEEE Transactions on Biomedical Engineering, vol. 46, no. 7, pp. 849–860, 1999
  23. State Estimation in Time-Varying Electrical Impedance Tomography
    Annals of the New York Academy of Sciences, vol. 873, no. 1 ELECTRICAL BI, pp. 430–439, 1999
  24. A Kalman filter approach to track fast impedance changes in electrical impedance tomography
    IEEE Transactions on Biomedical Engineering, vol. 45, no. 4, pp. 486–493, 1998
  25. Tikhonov regularization and prior information in electrical impedance tomography
    IEEE Transactions on Medical Imaging, vol. 17, no. 2, pp. 285–293, 1998
  26. Estimation of event-related synchronization changes by a new TVAR method
    IEEE Transactions on Biomedical Engineering, vol. 44, no. 8, pp. 649–656, 1997
  27. Inverse Problems, vol. 13, no. 2, pp. 523–530, 1997
  28. Simulation of nonstationary EEG
    Biological Cybernetics, vol. 76, no. 5, pp. 349–356, 1997
  29. An electrical impedance tomography measurement system for experimental use
    Review of Scientific Instruments, vol. 67, no. 10, p. 3605, 1996