Registration error of the liver CT using deformable image registration of MIM Maestro and Velocity AI. - Nobuyoshi Fukumitsu; Kazunori Nitta; Toshiyuki Terunuma; Toshiyuki Okumura; Haruko Numajiri; Yoshiko Oshiro; Kayoko Ohnishi; Masashi Mizumoto; Teruhito Aihara; Hitoshi Ishikawa; Koji Tsuboi; Hideyuki Sakurai (BMC Medical Imaging, 2017)