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WebJan 24, 2024 · 01. CT重建算法基本原理. 重建算法是将探测器得到的数据转化成我们所能理解的三维图像。. 如上左图所示,球管和探测器围绕人体进行采集,右图显示的是如果我们假设球管产生20的光子,直线穿过人体,人体的每一块组织对光子吸收能力不同,像九宫格这 … WebA CT scan is a diagnostic imaging exam that uses X-ray technology to produce images of the inside of the body. A CT scan can show detailed images of any part of the body, including the bones, muscles, organs and blood vessels. CT scans can also be used for fluid or tissue biopsies, or as part of preparation for surgery or treatment. trigger change select2
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WebJan 25, 2024 · 第一步算法会预估一张CT图像,图像上有什么不重要,第二步将这张预估的图像正投影成一张Sinogram,我们称之为A,第三步在的得到探测器数据后,实时生成一 … Webct的成像过程与上述过程相似,都是将平面信息投影在多个投影面上,再通过归纳与计算这些投影面的信息,反推出人体中真实的物质分布,两者最大的区别就是:ct成像中每一个 … Web迭代重建算法,采用线模型计算传输矩阵。. 其中快速计算相交线长度的code。. Robert L. Siddon,1985,AAPM, Fast calculation of the exact radiological path for a three-dimensional CT array. 文章提出的针对三 … trigger checkbox change event