Augmented marker tracking for peri-acetabular osteotomy surgery. - Silvio Pflugi; Rakesh Vasireddy; Till D. Lerch; Timo Michael Ecker; Moritz Tannast; Nane Boemke; Klaus-Arno Siebenrock; Guoyan Zheng (Int. J. Comput. Assist. Radiol. Surg., 2018)