Improvement of efficiency and flexibility in multi-slice helical CT
One of the main aspects in computed tomography (CT) development is to make CT rapidly scan a large longitudinal volume with high z -axis resolution. The combination of helical scanning with multi-slice CT is a promising approach. Image reconstruction in multi-slice CT becomes, therefore, the major c...
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| Vydané v: | Shanghai jiao tong da xue xue bao Ročník 13; číslo 4; s. 408 - 412 |
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| Hlavní autori: | , , |
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| Jazyk: | English |
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Heidelberg
Shanghai Jiaotong University Press
01.08.2008
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| ISSN: | 1007-1172, 1995-8188 |
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| Abstract | One of the main aspects in computed tomography (CT) development is to make CT rapidly scan a large longitudinal volume with high
z
-axis resolution. The combination of helical scanning with multi-slice CT is a promising approach. Image reconstruction in multi-slice CT becomes, therefore, the major challenge. Known algorithms need to derive the complementary data or work only for certain range of pitches. A reconstruction algorithm was presented that works with the direct data as well as arbitrary pitches. Filter interpolation based on the proposed method was implemented easy. The results of computer simulations under kinds of conditions for four-slice CT were presented. The proposed method can obtain higher efficiency than the conventional method. |
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| AbstractList | One of the main aspects in computed tomography (CT) development is to make CT rapidly scan a large longitudinal volume with high z-axis resolution. The combination of helical scanning with multi-slice CT is a promising approach. Image reconstruction in multi-slice CT becomes, therefore, the major challenge. Known algorithms need to derive the complementary data or work only for certain range of pitches. A reconstruction algorithm was presented that works with the direct data as well as arbitrary pitches. Filter interpolation based on the proposed method was implemented easy. The results of computer simulations under kinds of conditions for four-slice CT were presented. The proposed method can obtain higher efficiency than the conventional method. One of the main aspects in computed tomography (CT) development is to make CT rapidly scan a large longitudinal volume with high z -axis resolution. The combination of helical scanning with multi-slice CT is a promising approach. Image reconstruction in multi-slice CT becomes, therefore, the major challenge. Known algorithms need to derive the complementary data or work only for certain range of pitches. A reconstruction algorithm was presented that works with the direct data as well as arbitrary pitches. Filter interpolation based on the proposed method was implemented easy. The results of computer simulations under kinds of conditions for four-slice CT were presented. The proposed method can obtain higher efficiency than the conventional method. |
| Author | Zhuang, Tian-ge Sun, Wen-wu Chen, Si-ping |
| Author_xml | – sequence: 1 givenname: Wen-wu surname: Sun fullname: Sun, Wen-wu email: sun_anke@yahoo.com.cn organization: Nanchang Institute of Aeronautical Technology – sequence: 2 givenname: Si-ping surname: Chen fullname: Chen, Si-ping organization: Shenzhen University – sequence: 3 givenname: Tian-ge surname: Zhuang fullname: Zhuang, Tian-ge organization: Department of Biomedical Engineering, Shanghai Jiaotong University |
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| Cites_doi | 10.1109/42.887834 10.1109/42.887839 10.1109/42.241876 10.1118/1.598938 10.1117/12.481348 10.1118/1.598533 10.1364/JOSAA.1.000612 10.1118/1.598230 10.1109/42.887836 10.1118/1.596464 10.1117/12.430862 10.1118/1.598470 10.1118/1.1562168 10.1088/0031-9155/43/4/028 10.1118/1.597705 10.1148/radiology.176.1.2353088 |
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z
-axis resolution. The... One of the main aspects in computed tomography (CT) development is to make CT rapidly scan a large longitudinal volume with high z-axis resolution. The... |
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| Title | Improvement of efficiency and flexibility in multi-slice helical CT |
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