Yuanzhi Cheng Yoshinobu Sato Hisashi Tanaka Takashi Nishii Nobuhiko Sugano Hironobu Nakamura Hideki Yoshikawa Shuguo Wang Shinichi Tamura Accurate Thickness Measurement of Two Adjacent Sheet Structures in CT Images. 271-282 2007 90-D IEICE Transactions 1 http://dx.doi.org/10.1093/ietisy/e90-1.1.271 db/journals/ieicet/ieicet90d.html#ChengSTNSNYWT07