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Tracking & Registrati<strong>on</strong>a<br />

Link to the Real World<br />

• Registrati<strong>on</strong>: Finding a<br />

transformati<strong>on</strong> between the<br />

coordinate system of a<br />

volume image and the real<br />

world<br />

• Tracking: Maintaining that<br />

registrati<strong>on</strong> by measuring<br />

moti<strong>on</strong> in 3D by<br />

• optical tracking<br />

• electromagnetic probe<br />

• alternative techniques<br />

W. Birkfellner<br />

W. Birkfellner et al., Med Phys 25(11):2242­2248,1998<br />

W. Birkfellner et al., IEEE Trans Med Imaging.<br />

17(5):737­742, 1998<br />

J. Hummel et al., Med Phys 29(10):2205­2212, 2002

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