Title :
Accurate and efficient image reconstruction for spatio-temporal CT
Author :
Chen, Yiner ; Kudo, Hiroyuki ; Noo, Frédéric ; Defrise, Michel
Author_Institution :
Graduate Sch. of Syst. & Inf. Eng., Tsukuba Univ., Ibaraki, Japan
Abstract :
We develop two accurate and efficient algorithms to reconstruct 2-D moving objects by using a CT scanner operated with multiple rotations. The resulting algorithms improve the conventional approach in terms of motion artifacts and computation times.
Keywords :
computerised tomography; image motion analysis; image reconstruction; image scanners; medical image processing; pneumodynamics; spatiotemporal phenomena; 2-D moving object reconstruction; CT scanner; computation times; fan-beam data; image reconstruction; motion artifacts; multiple rotations; reconstruction algorithms; spatio-temporal CT; Computed tomography; Detectors; Filtering algorithms; Image reconstruction; Motion compensation; Nuclear medicine; Radiology; Reconstruction algorithms; Spatiotemporal phenomena; Systems engineering and theory;
Conference_Titel :
Nuclear Science Symposium Conference Record, 2004 IEEE
Print_ISBN :
0-7803-8700-7
Electronic_ISBN :
1082-3654
DOI :
10.1109/NSSMIC.2004.1466751
