Olivier Coulon Daniel C. Alexander Simon R. Arridge A Regularization Scheme for Diffusion Tensor Magnetic Resonance Images. 92-105 2001 conf/ipmi/2001 IPMI http://link.springer.de/link/service/series/0558/bibs/2082/20820092.htm db/conf/ipmi/ipmi2001.html#CoulonAA01