Extraction of tumor motion trajectories using PICCS-4DCBCT: A validation study

Purpose: As a counterpart of 4DCT in the treatment planning stage of radiotherapy treatment, 4D cone beam computed tomography (4DCBCT) method has been proposed to verify tumor motion trajectories before radiation therapy treatment delivery. Besides 4DCBCT acquisition using slower gantry rotation spe...

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Bibliographic Details
Published in:	Medical physics (Lancaster) Vol. 38; no. 10; pp. 5530 - 5538
Main Authors:	Qi, Zhihua, Chen, Guang-Hong
Format:	Journal Article
Language:	English
Published:	United States American Association of Physicists in Medicine 01.10.2011
Subjects:	ACCURACY Algorithms BEAMS Cancer Computed tomography Computer Simulation computerised tomography COMPUTERIZED TOMOGRAPHY Cone beam computed tomography Cone-Beam Computed Tomography - methods DATA ACQUISITION DELIVERY ERRORS EXTRACTION FOUR-DIMENSIONAL CALCULATIONS Four-Dimensional Computed Tomography - methods four-dimensional cone beam CT GROUND TRUTH MEASUREMENTS Humans image guided radiation therapy IMAGE PROCESSING image reconstruction image registration Imaging, Three-Dimensional IN VIVO mean square error methods Medical image artifacts medical image processing Medical image quality Medical image reconstruction Medical imaging Models, Statistical Motion NEOPLASMS Neoplasms - diagnostic imaging Neoplasms - pathology Numerical approximation and analysis PHANTOMS Phantoms, Imaging PLANNING pneumodynamics Radiation Imaging Physics RADIATION PROTECTION AND DOSIMETRY radiation therapy Radiographic Image Interpretation, Computer-Assisted - methods RADIOLOGY AND NUCLEAR MEDICINE RADIOTHERAPY Radiotherapy Planning, Computer-Assisted - methods Reconstruction Registration Reproducibility of Results RESPIRATION SIMULATION Time Factors Treatment planning tumor motion trajectory tumours X‐ray imaging image guided radiation therapy four-dimensional cone beam CT tumor motion trajectory
ISSN:	0094-2405, 2473-4209, 0094-2405
Online Access:	Get full text
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