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Titel:

Patient Alignment Estimation in Six Degrees of Freedom Using a CT-scan and a Single X-ray Image

Dokumenttyp:
Konferenzbeitrag
Autor(en):
Selby, B. P.; Sakas, G.; Walter, S.; Groch, W.-D.; Stilla, U.
Abstract:
Particle beam treatment allows accurate dose delivery ontocarcinogen tissue. The reachable accuracy is limited by patient alignmenterrors relative to the beam source. Errors can be corrected manuallyor byautomatic comparison of two X-ray images to a CT-scan but correctionmostly does not cover all degrees of freedom (DoF). In this contributionwe present a solution that makes use of one X-ray image and computesfull 6 DoF alignment correction by gray value based comparison toaCT. By using regions o...     »
Kongress- / Buchtitel:
Gesellschaft für Informatik (GI): Bildverarbeitung für die Medizin
Jahr:
2008
Seiten:
127--132
WWW:
http://www.pf.bgu.tum.de/pub/2008/selby_co_stilla_bvm08_pap.pdf
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