Adaptive reduction of intensity levels in 3D images for mutual information-based registration.

Carlos Raul Castro-Pareja Raj Shekhar Adaptive reduction of intensity levels in 3D images for mutual information-based registration. 2005 Image Processing https://doi.org/10.1117/12.595499 conf/miip/2005 db/conf/miip/miip2005.html#Castro-ParejaS05