Determination of Pelvic Orientation from Ultrasound Images Using Patch-SSMs and a Hierarchical Speed of Sound Compensation Strategy. - Steffen Schumann; Marc Puls; Timo Ecker; Tobias Schwaegli; Jan Stifter; Klaus-Arno Siebenrock; Guoyan Zheng (IPCAI, 2010)

A novel technology for 3D knee prosthesis planning and treatment evaluation using 2D X-ray radiographs: a clinical evaluation. - Guoyan Zheng; Hagen Hommel; Alper Akcoltekin; Benedikt Thelen; Jan Stifter; Geert Peersman (Int. J. Comput. Assist. Radiol. Surg., 2018)