REDUCTION OF CT ARTIFACTS CAUSED BY METALLIC IMPLANTS
REDUCTION OF CT ARTIFACTS CAUSED BY METALLIC IMPLANTS
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DOI：
10.1148/radiology.164.2.3602406
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发表时间：
1987-08-01
期刊：
影响因子：
19.7
通讯作者：
EBERSBERGER, J
中科院分区：
文献类型：
--
作者：
KALENDER, WA;HEBEL, R;EBERSBERGER, J
提出了一种减少计算机断层扫描上金属植入物伪影的技术。植入物边界是半自动确定的;缺失的投影数据由线性插值代替。整个过程每次扫描需要1-2分钟。在手术夹和骨盆植入物的存在下，获得了质量大大提高的图像;成功仅限于高度结构化的区域，如面颅骨。
A technique to reduce metallic implant artifacts on computed tomography scans is presented. The implant boundaries are determined semiautomatically; the missing projection data are replaced by linear interpolation. The complete procedure requires 1-2 minutes per scan. Images with greatly improved quality were obtained in the presence of surgical clips and pelvic implants; success is limited in highly structured regions, such as the facial skull.