@inbook {martin2009log, title = {A log-euclidean polyaffine registration for articulated structures in medical images}, booktitle = {Medical Image Computing and Computer-Assisted Intervention{\textendash}MICCAI 2009}, year = {2009}, pages = {156{\textendash}164}, publisher = {Springer Berlin Heidelberg}, organization = {Springer Berlin Heidelberg}, author = {Miguel Angel Martin-Fernandez and Marcos Martin-Fernandez and Carlos Alberola-Lopez} }