A fully automated calibration method for an optical see-through head-mounted operating microscope with variable zoom and focus.

Michael Figl Christopher Ede Johann Hummel Felix Wanschitz Rolf Ewers Helmar Bergmann Wolfgang Birkfellner A fully automated calibration method for an optical see-through head-mounted operating microscope with variable zoom and focus. 1492-1499 2005 24 IEEE Trans. Med. Imaging 11 http://doi.ieeecomputersociety.org/10.1109/TMI.2005.856746 db/journals/tmi/tmi24.html#FiglEHWEBB05