Automated bone removal in CT angiography: Comparison of methods based on single energy and dual energy scans

Purpose: To evaluate dual energy based methods for bone removal in computed tomography angiography (CTA) images and compare these with single energy based methods that use an additional, nonenhanced, CT scan. Methods: Four different bone removal methods were applied to CT scans of an anthropomorphic...

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Veröffentlicht in:	Medical physics (Lancaster) 2011-11, Vol.38 (11), p.6128-6137
Hauptverfasser:	van Straten, Marcel, Schaap, Michiel, Dijkshoorn, Marcel L., Greuter, Marcel J., van der Lugt, Aad, Krestin, Gabriel P., Niessen, Wiro J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Angiography Angiography - methods Automation BIOMEDICAL RADIOGRAPHY BLOOD VESSELS bone Bone and Bones - diagnostic imaging bone removal Calcium CAT SCANNING CHEST COMPARATIVE EVALUATIONS Computed tomography computerised tomography COMPUTERIZED TOMOGRAPHY diagnostic radiography Dosimetry dual energy CT dual source CT FILTRATION Humans IMAGE PROCESSING image registration IODINE Medical image contrast Medical image noise medical image processing Medical image quality Medical imaging Medical X‐ray imaging NOISE OPTIMIZATION Phantoms, Imaging PRESERVATION Radiation Dosage RADIATION DOSES RADIOLOGY AND NUCLEAR MEDICINE Registration RESPIRATORS SKELETON Subtraction Technique Tin Tomography, X-Ray Computed - methods Vacuum tubes X RADIATION x-ray CT angiography X-RAY TUBES
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