Intensity-based 2D-3D Medical Image Regist...

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Sprache: Englisch

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Beschreibung

Intensity-based 2D-3D medical image registration is a special case of the pose estimation problem from computer vision with many applications in medicine. This work presents an overview of the 2D-3D intensity-based image registration problem in the medical domain as well as results from several methods developed to aid in its practice. In particular: 1) Light field rendering techniques from the graphics community are extended to rapidly generate digitally reconstructed radiographs (DRRs). 2) A full 2D-3D registration algorithm using light field DRRs is presented and validated against a real, clinical gold standard. 3) A new, hybrid similarity measure is presented that is a weighted combination of an intensity-based image similarity measure and a point-based measure incorporating a single fiducial marker. 4) Finally, a novel similarity measure called regional mutual information (RMI) is introduced. RMI is an extension of mutual information which incorporates spatial information in a principled way. The additional spatial information helps make its use as a similarity measure much more robust to initial misregistration than standard mutual information.

Erscheinungsjahr:	2010
Genre:	Informatik , Mathematik , Medizin , Naturwissenschaften , Technik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Inhalt:	Einband - flex.(Paperback)
ISBN-13:	9783639119541
ISBN-10:	3639119541
Sprache:	Englisch
Autor:	Russakoff, Daniel
Hersteller:	VDM Verlag Dr. Müller
Verantwortliche Person für die EU:	OmniScriptum GmbH & Co. KG, Bahnhofstr. 28, D-66111 Saarbrücken, info@akademikerverlag.de
Maße:	8 x 150 x 220 mm
Von/Mit:	Daniel Russakoff
Erscheinungsdatum:	31.03.2010
Gewicht:	0,196 kg

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