N4ITK: improved N3 bias correction.
Tustison NJ, Avants BB, Cook PA, Zheng Y, Egan A, Yushkevich PA, Gee JC.
Tustison NJ, et al.
IEEE Trans Med Imaging. 2010 Jun;29(6):1310-20. doi: 10.1109/TMI.2010.2046908. Epub 2010 Apr 8.
IEEE Trans Med Imaging. 2010.
PMID: 20378467
Free PMC article.