TY - RPRT TI - A study on medical image registration by mutual information with pyramid data structure. AU - Peng Xu AU - DeZhong Yao PY - 2006 DO - 10.1016/j.compbiomed.2006.02.005 UR - https://pubmed.ncbi.nlm.nih.gov/16631153/ ID - 16631153 ER -