High-quality four-dimensional cone-beam CT by deforming prior images
Abstract
Due to a limited number of projections at each phase, severe view aliasing artifacts are present in four-dimensional cone beam computed tomography (4D-CBCT) when reconstruction is performed using conventional algorithms. In this work, we aim to obtain high-quality 4D-CBCT of lung cancer patients in radiation therapy by deforming the planning CT. The deformation vector fields (DVF) to deform the planning CT are estimated through matching the...
Paper Details
Title
High-quality four-dimensional cone-beam CT by deforming prior images
Published Date
Jan 21, 2013
Volume
58
Issue
2
Pages
231 - 246
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