Realization of geometric calibration method of cone-beam Micro-CT / 医疗卫生装备
Chinese Medical Equipment Journal
;
(6): 29-34, 2018.
Article
in Chinese
| WPRIM
| ID: wpr-700034
ABSTRACT
Objective To execute geometric calibration and calibration phantom design to realize high-quality cone-beam Micro-CT image reconstruction. Methods The geometrical position parameters of cone-beam Micro-CT system were deduced by the data of the designed phantom projected on the detector by means of linear fitting and geometric relation,so as to realize the geometric calibration of the system.The calculation software and the simulation experiment were achieved by VC++programming language.Results The validity and feasibility of the calibration model and method were proved by the experimental simulation. Conclusion The geometric calibration method can accurately calculate the geometrical position parameter errors of the cone-beam Micro-CT system.It can effectively reduce the artifacts in the reconstructed image and further improve the imaging resolution by adjusting the geometric position parameters.[Chinese Medical Equipment Jour-nal,2018,39(5)29-34]
Full text:
Available
Index:
WPRIM (Western Pacific)
Type of study:
Prognostic study
Language:
Chinese
Journal:
Chinese Medical Equipment Journal
Year:
2018
Type:
Article
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