1) computed tomography
计算机断层扫描
1.
CT(Computed tomography)is one nondestructive detection technique, which is by using X-ray beam to scan one interested layer at multi-directions along one selected irradiation position, and detecting the ray volume penetrated, calculating absorption volume by various objectives, and reconstructing images.
计算机断层扫描(CT)是利用X射线束从多方向沿某一部位选定断层进行照射,测定透过的射线量,经数量化计算后得出该层层面组织各个单位容积的吸收系数,然后重新组建图像的一种检测技术。
2) computerized tomography
计算机断层扫描
1.
Objective Appraise value of diagnosing epilepsy to period of onset infants with cerebral blood flow perfusion imaging with single photo emission computerized tomography(SPECT).
目的评价单光子发射型计算机断层扫描脑血流灌注显像对发作期小儿癫痫的诊断价值。
2.
Digital image processing technique was applied to convert computerized tomography(CT)image into a digital format that can be incorporated into finite element modeling.
该方法利用数字图像处理技术将计算机断层扫描(CT)图像转换为数字格式,并与有限元建模结合,使得根据CT图像建立的有限元模型可以较真实地再现沥青混合料的微结构,进行有限元分析时可以充分考虑沥青混合料颗粒和微空隙分布非均匀特性。
3.
The related technologies of antique protection are explored in this paper and the industry computerized tomography technology and applications of it in antique protection are analyzed.
环境问题与人为因素对文物的保护构成了威胁,本文简要讨论了文物保护的相关技术,并对工业计算机断层扫描技术及其在文物中的应用进行了分析,通过一个实例实现了文物的断层扫描与图像重建的应用过程,以达到文物保护与研究的目的。
3) Computer tomography
计算机断层扫描
1.
A Monte Carlo simulation method of cone-beam X-ray computer tomography(X-CT) projection is presented.
提出了一种锥束X射线CT(计算机断层扫描)投影的蒙特卡罗计算方法,对X光子逐次抽样并以随机步长跟踪,将探测器区域内的沉积能量转化为投影信号,使用蒙特卡罗计算工具EGSnrc执行后台批处理计算,得到符合成像物理学的仿真投影。
2.
After optimizing the filter back projection(FBP) algorithm of computer tomography(CT) with the theory of symmetric transformation group,a fast reconstruction algorithm was founded to reduce calculating time cost in the back projection part of FBP.
利用对称变换群的原理对计算机断层扫描(CT)重建中的滤波反投影算法(FBP)进行了优化,降低了算法中反投影部分的计算复杂度,从而得到一个快速重建算法。
5) CT
计算机断层扫描
1.
Methods:Sixtyfour patients in cognition function were studied by BEAM and CT,with the power spectral analysis.
方法 :应用脑电地形图(BEAM)和计算机断层扫描(CT) ,通过对64例AICA患者认知功能进行评估。
6) X-ray computed tomography
X线计算机断层扫描
补充资料：定量计算机断层扫描
定量计算机断层扫描
g/cm3
利用X线窄束扫描测量原理，将人体组织对X线的吸收通过计算机换算成基本密度单位(g/cm3)，显示骨的结构变化。缺点是重复性差、放射剂量过大和费用过高，未能广泛应用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条