頁籤選單縮合
題名 | Cone-Beam X-Ray Tomographic and Stereo-Imaging= |
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作者 | Wang,Ge; Zhao,Shiying; Cheng,Ping-chin; |
期刊 | 醫學工程 |
出版日期 | 19960600 |
卷期 | 8:3 1996.06[民85.06] |
頁次 | 頁13-23 |
分類號 | 416.14 |
語文 | eng |
關鍵詞 | Computed tomography; CT; Cone-beam; Feldkamp-type algorithms; Stereo-imaging; |
英文摘要 | Cone-Beam reconstruction is a major topic in computed tomography. In the context if cone-beam X-ray microtomography, the state of the art in the field is reviewed with an emphasis on approximate algorithms. Feldkamp-type methods represent the main stream in approximate cone-beam reconstruction. Feldkamp-type reconstruction can be decomposized into two steps: cone-beam to fan-beam data conversion and fan-beam reconstruction. Algorithms for synthesis of stereograms from cone-beam data are described. Also, a new interpretation is given to the well known sufficient condition for exact cone-beam reconstruction. |
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