Disclosed is apparatus and method for motion tracking of a subject in medical brain imaging. The method comprises providing a light projector and a first camera; projecting a first pattern sequence (S1) onto a surface region of the subject with the light projector, wherein the subject is positioned in a scanner borehole of a medical scanner, the first pattern sequence comprising a first primary pattern (P1,1) and/or a first secondary pattern (P1,2); detecting the projected first pattern sequence (S1') with the first camera; determining a second pattern sequence (S2) comprising a second primary pattern (P2,1) based on the detected first pattern sequence (S1'); projecting the second pattern sequence (S2) onto a surface region of the subject with the light projector; detecting the projected second pattern sequence (S2') with the first camera; and determining motion tracking parameters based on the detected second pattern sequence (S2').
|IPC||A61B5/00; A61B5/11; A61B6/00; G01R33/48; G01R33/565|
|Country||International Bureau of the World Intellectual Property Organization (WIPO)|
|Publication status||Published - 2013|
Bibliographical noteAlso registered as: WO2013EP60747, EP20120169670, US201261651827P, US2015359464
Olesen, O. V., Larsen, R., Paulsen, R. R., & Højgaard, L. (2013). IPC No. A61B5/00; A61B5/11; A61B6/00; G01R33/48; G01R33/565. Apparatus and method for motion tracking in brain imaging. (Patent No. WO2013174980A1).