Objective To establish 3D coronary artery motion tracking by the images of double plane X-ray projection and 3D CT volume sequence.
目的利用双平面X射线投影图像序列和参考CT容积图像进行冠状动脉的三维运动跟踪建模。
This paper proposed a novel scanning structure of direct volume ct, which ADAPTS planar scanning and point detecting, called reverse geometry volume ct.
提出了一种新颖的直接体积CT扫描结构，即采用面状扫描与点状探测的倒置扫描结构。
This thesis deals with vascular extraction and reconstruction algorithms based on ct volume data, leading to successful application to three-dimensional vascular analysis system.
本文研究基于CT容积数据的血管提取与重建方法，并已成功应用于三维血管分析系统。
Methods:12 patients with PE were performed spiral CT volume scanning. Three dimensional and multiplanar images of pulmonary artery were obtained after post procession in the work station.
方法：回顾性分析12例PE患者，均行螺旋CT容积扫描，并在工作站进行图像后处理，获得肺动脉多平面重建图像及三维立体图像。
Now the existing direct volume CT methods face two difficulties:first, how to get the projection data to reconstruct the 3D image exactly, including whether the scanning structure is practical;
目前直接体积CT主要存在两大困难：一是如何获得三维图像精确重建所需的投影数据，包括扫描方式的可实现性；
The transepicondylar axis of different position has no effect on volume rendering technique measuring the humeral head retroversion angle with multi slice spiral CT.
肱骨远端不同位置内外上髁轴线对多层螺旋CT容积再现测量肱骨头扭转角没有影响；
The aim of the program is to create one or more Curved Multi-planar Reconstructions from a volume of Dental ct slices.
该程序的目的是，牙科CT片从卷中创建一个或多个曲线的多平面重建。
The diameter and volume of tumor or lymph node were measured by CT scans.
肿瘤或淋巴结直径和体积通过测量CT扫描断层片获得。
To our knowledge, no study has actually measured the loss of volume and length taking place within the graft using a CT scan.
根据我们把握的知识，至今还没有利用CT针对移植骨体积和长度的丢失进行测量的研究。
The geometric error of axial image reconstruction increases with the increase of CT scan slice thickness, due to CT partial volume effect.
重建CT图像的前后方向的几何误差是随着扫描层厚增加而增加，主要是由于CT扫描的部分容积效应影响。
Results (1) The volume of hematoma was an independent CT predictor of death at 1st, 3rd and 6th month.
结果（1）血肿体积是脑出血患者1个月、3个月、6个月末死亡的CT预测因素；
Objective:To prospectively study the pre-surgical evaluation of the post-surgery residual hepatic volume using multi-detector row CT (MDCT) before hepatectomy.
目的前瞻性研究术前MDCT评估术后残肝体积对肝切除手术的影响。
The relation between normal liver volume measured by CT and body surface area (BSA) was studied by linear regression and correlation method, the standard liver volume formula was deduced.
使用直线相关和回归的方法研究正常人群肝脏体积与体表面积的关系，得出相应的回归方程。
Objective:To study the ways of volume rendering(VR) three-dimensional reconstruction(3D) by spiral CT, and evaluate its clinical applications.
目的：探讨螺旋CT三维容积重建（VR）成像方法，评价其临床运用范围与价值。
Micro-CT images and histograms of Hounsfield units from the lungs also showed increased volume loss in the allergic mice compared with control animals after methacholine challenge.
肺Micro - CT影像和Hounsfield单位的直方图也显示乙酰甲胆碱激发后过敏小鼠与对照相比容积丢失增高。
Objective To measure the hepatic lobes with 16 slices helical ct, and discuss the relationship between the changes of the cirrhotic liver volume and the severity of the disease.
目的采用16层螺旋CT对肝叶进行体积测量，探讨肝硬化肝脏体积变化的规律及其与肝硬化严重程度之间的关系。
Objective To investigate the clinical applicable value of helical ct surface shaded displays (SSD) and volume reconstructions (VR) in patient with tibial plateau fracture.
目的探讨螺旋CT三维表面遮盖法重建(SSD)及容积重建(VR)在胫骨平台骨折诊断中的应用价值。
This article discusses the characteristics of volume ct and its using foreground.
本文就容积ct的特点和应用前景进行介绍。
Results Each of scanning parameter, volume and density affected the noise on ct imaging.
结果扫描参数，受检体的体积及密度均影响CT图像噪声。
Conclusion: in spiral ct simulator scan, using overlapping reconstruction with thin slice is advisable in determining gross target volume of tumor.
结论：在螺旋CT模拟扫描中，采用薄层的重叠重建在肿瘤靶区体积的制定中是切实可行的。
The volume ratios of different ventricles and the rules of the volumes change with age were explored in CT imaging.
探讨了脑室容量随年龄变化的规律及各脑室容量之间的比值。
Objective: To explore the best choosing application of the spiral ct scanning parameters in measuring pulmonary volume.
目的：探讨螺旋CT在肺容积测量中扫描参数的选择应用。
Objective To study the accuracy of liver volume measurement using multiple-slice spiral ct (MSCT) and its value in liver transplantation.
目的研究多层螺旋CT (MSCT)测量肝体积的准确性及对肝移植的应用价值。
Objective To evaluate the thin-slice high resolution ct scan and fast volume scan in the diagnosis of cranial basis and craniofacial bone fractures.
目的探讨薄层高分辨CT扫描和快速容积扫描在颅底颜面骨折中的价值。
Objective to examine the accuracy of multi-slice ct (MSCT) three dimensional (3d) volume measurement of tumors and livers in hepatocellular carcinoma cases by using immersion method as the standard.
目的以水浸法为标准检验原发性肝癌肿块和肝脏螺旋CT (MSCT)三维、(3d)体积测量方法的精确性。
Conclusion The 16 slices helical CT can measure the hepatic lobes accurately, the changes of the hepatic lobes volume are correlated with the severity of liver cirrhosis.
结论16层螺旋CT能准确地测量肝脏及各肝叶的体积，肝硬化肝脏的大小与疾病的严重程度相关。
Results: (1) Meningiomas of the lateral ventricles had characteristic CT and MRI appearances, such as most tumors were somewhat round (81. 2 %, 13/16), with bulky volume and clear boundary.
结果：（1）侧脑室脑膜瘤具有典型的CT和MRI表现，即：病灶大多为类圆形（81．2％，13／16），体积较大，边界清晰。
Conclusion Thin-slice high resolution ct scan and 3d images of volume scan are necessary imaging modalities for diagnosis of the cranial basis and craniofacial bone fractures.
结论薄层高分辨扫描及容积扫描3d图像是显示和诊断颅底等不规则骨骨折不可缺少及有效的方法。
Methods300case were scanned by contrast-enhanced CT with HPS and the different inject speed, total volume, scan delay time and patient's conditions were analyzed comprehensively.
方法对300例患者用高压注射器进行螺旋CT增强扫描，对不同的注射速度、总量、扫描延迟时间及患者的状况作综合性分析。
Methods 22 patients with tibial plateau fractures were scanned by 64-slice spiral ct and evaluated with volume rendering (VR), multi-planar reformatting (MPR).
方法22例胫骨平台骨折，使用64层螺旋CT扫描，利用容积重组(VR)、多平面重组(mpr)等方法进行评估。
应用推荐