Title :
Determinants of signal to noise ratio in conebeam image reconstruction using the Feldkamp algorithm
Author :
Wu, X. ; Johnson, R.H. ; Cho, P.S.
Author_Institution :
Biomed. Eng. Center, Ohio State Univ., Columbus, OH, USA
Abstract :
We quantified the effects of the number of projections used, the cone angle, the projection noise level and detector bit depth on reconstruction signal to noise ratio for conebeam image reconstruction using the Feldkamp algorithm
Keywords :
computerised tomography; determinants; image reconstruction; medical image processing; noise; CT scanners; Feldkamp algorithm; cone angle; conebeam image reconstruction; detector bit depth; determinants; number of projections; projection noise level; reconstruction signal to noise ratio; signal to noise ratio; Computed tomography; Data acquisition; Electron beams; Geometry; Image reconstruction; Sensor arrays; Signal to noise ratio; X-ray detection; X-ray detectors; X-ray scattering;
Conference_Titel :
Biomedical Engineering Conference, 1996., Proceedings of the 1996 Fifteenth Southern
Conference_Location :
Dayton, OH
Print_ISBN :
0-7803-3131-1
DOI :
10.1109/SBEC.1996.493165