TY  - RPRT
TI  - A filtered backprojection algorithm for cone beam reconstruction using rotational filtering under helical source trajectory.
AU  - Xiangyang Tang
AU  - Jiang Hsieh
PY  - 2004
DO  - 10.1118/1.1803672
UR  - https://pubmed.ncbi.nlm.nih.gov/15587646/
ID  - 15587646
ER  -