A constrained variational principle for direct estimation and smoothing of the diffusion tensor field from complex DWI.

Zhizhou Wang Baba C. Vemuri Yunmei Chen Thomas H. Mareci A constrained variational principle for direct estimation and smoothing of the diffusion tensor field from complex DWI. 930-939 2004 23 IEEE Trans. Med. Imaging 8 http://dx.doi.org/10.1109/TMI.2004.831218 db/journals/tmi/tmi23.html#WangVCM04