A Geometrical Calibration Method for C-Arm CT Based on a Nonlinear Registration Model

The image quality of C-arm computed tomography (CT) degrades due to the nonideal projection geometry due to mechanical vibrations of the gantry during the CT scan; therefore, geometrical calibration methods need to be applied to derive the view-specific projection matrices, which are incorporated in...

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Vydáno v:	IEEE transactions on instrumentation and measurement Ročník 72; s. 1 - 13
Hlavní autoři:	Ji, Xu, Lu, Yuchen, Zhuo, Xu, Zhang, Yikun, Zhu, Shiyu, Chen, Yang
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2023
Témata:	Calibration Computed tomography Computing time Geometry Image quality Image reconstruction Mathematical models Medical imaging Parameters Perturbation Two dimensional models
ISSN:	0018-9456, 1557-9662
On-line přístup:	Získat plný text
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