Image quality improvement in megavoltage cone beam CT using an imaging beam line and a sintered pixelated array system

Purpose: To quantify the improvement in megavoltage cone beam computed tomography (MVCBCT) image quality enabled by the combination of a 4.2 MV imaging beam line (IBL) with a carbon electron target and a detector system equipped with a novel sintered pixelated array (SPA) of translucent Gd2O2S ceram...

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Veröffentlicht in:	Medical physics (Lancaster) 2011-11, Vol.38 (11), p.5969-5979
Hauptverfasser:	Breitbach, Elizabeth K., Maltz, Jonathan S., Gangadharan, Bijumon, Bani-Hashemi, Ali, Anderson, Carryn M., Bhatia, Sudershan K., Stiles, Jared, Edwards, Drake S., Flynn, Ryan T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amorphous semiconductors BEAMS cancer CARBON CAT SCANNING Computed tomography computerised tomography Cone-Beam Computed Tomography - instrumentation dosimetry Dosimetry/exposure assessment ELECTRON DENSITY Humans Image detection systems Image guided radiation therapy IMAGE PROCESSING Image quality Image sensors KEV RANGE LINEAR ACCELERATORS Male medical image processing Medical image quality Medical image reconstruction Medical imaging Medical X‐ray imaging megavoltage cone beam CT MODULATION Modulation transfer functions NECK NEOPLASMS Neoplasms - diagnostic imaging NUCLEAR INDUSTRY PATIENTS PELVIS PHANTOMS PHOTONS PROSTATE RADIATION DOSES RADIATION PROTECTION AND DOSIMETRY Radiographic Image Enhancement - instrumentation RADIOLOGY AND NUCLEAR MEDICINE RADIOTHERAPY TRANSFER FUNCTIONS
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