Detector efficiency for non-helical trajectory of cone beam reconstruction
Li, Z.; Du, M.
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi 26(1): 59-62
2009
ISSN/ISBN: 1001-5515 PMID: 19334555 Document Number: 630872
Using the present cone beam reconstruction formula for general trajectory, we have investigated the issue of detector efficiency for non-helical trajectory. The results reveal that the two factors dominating the detector efficiency are detector geometry and filtering directions. The methods for to higher detector efficiency are proposed, and the reliability and feasibility are tested by simulation results.
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