Visualization of a 4d B-REP solid model of the lung constructed from unsynchronized mr sequential imges - Tsuzuki, Marcos de Sales Guerra; Takase, Fábio Kawaoka; Asakura, Akira; Gotoh, Toshiyuki; Kagei, Seiichiro; Iwasawa, Tae (International Conference on Geometry and Graphics, 2006)