1. (1) J. Hori and S. Takasawa : “High-resolution cortical dipole imaging using spatial inverse filter based on filtering property”, Computational Intelligence Neuroscience, Vol. 2016, article ID.8404565, pp. 1-10 (2016)
2. (2) R. Sidman, M. Ford, G. Ramsey, and C. Schlichting : “Age-related features of the resting and P300 auditory evoked responses using the dipole localization method and cortical imaging technique”, J. Neurosci. Meth., Vol. 33, pp. 23-22 (1990)
3. (3) B. He : “High-resolution source imaging of brain electrical activity”, IEEE Eng. Med. Biol. Magazine, Vol. 17, No. 5, pp. 123-129 (1998)
4. (4) P. N. Subramaniyam, R. O. Vaisanen, E. K. Wendel, and K. J. Malmivuo : “Cortical potential imaging using L-curve and GCV method to choose the regularization parameter”, Nonlinear Biomed. Physics, Vol. 4, No. 1, pp. 1-11 (2010)
5. (5) C. P. Hansen : “The truncated SVD as a method for regularization”, BIT Numerical Mathematics, Vol. 27, No. 4, pp. 534-553 (1987)