Ravi Bansal Lawrence H. Staib Bradley S. Peterson Correcting Nonuniformities in MRI Intensities Using Entropy Minimization Based on an Elastic Model. 78-86 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3216&spage=78 2004 conf/miccai/2004-1 MICCAI (1) db/conf/miccai/miccai2004-1.html#BansalSP04