tomosynthesis相关论文
Digital Tomosynthesis With Metal Artifact Reduction for Assessing Cementless Hip Arthroplasty:a Pros
Objectives For postoperative imaging assessment of cementless hip arthroplasty,radiography and Computed Tomography(CT)we......
随着全球经济一体化的不断深入,国际经济、文化交流日趋频繁,基于X射线的检验检疫安检工作量也不断增加,目前检验检疫的安全检查工......
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首先对tomosynthesis方法及其原理进行了分析 ,通过对tomosynthesis中各断层像和投影像间的关系方程组的变形 ,证明tomosynthesis......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
【摘要】 目的 评价应用冠状位断层融合技术摄片对鼻骨骨折病例的诊断价值。方法 对直接鼻骨外伤的病例同摄鼻侧位片及冠状位断层......
目的探讨数字化断层融合(DTS)对骨折诊断的应用价值。方法对DR片可疑骨折、或临床体征明显但DR片未显示骨折线的80例外伤患者,进行DTS......
合成层析成像可由有限几个投影数据重建三维物体,与传统CT相比,该方法所需的射线剂量少得多.由于投影数据不完备,导致的重建图像伪......
传统CT需要全方位的投影像,层析摄影合成不需要全方位的投影像,但成像清晰。频域反卷积影像法(FDDI)克服了传统层析摄影合成方法不清晰的缺点......
目的 探讨数字化体层融合-去金属伪影技术在人工关节置换术后评估的应用价值。方法 选取人工关节置换术后的39例患者,包括髋关节和......
目的:探讨数字化断层融合技术对肺结节的检出价值.方法:选取48例肺结节患者,先后分别行DR、断层融合(DTS)及CT检查.将CT检查结果作为判......
Objective: To explore the clinical value of X-ray digital tomosynthesis(DTS)in the diagnosis of knee joint fractures. Me......
A Comparison of Reconstruction Algorithms Regarding Exposure Dose Reductions during Digital Breast T
This study compared reconstruction algorithms [filtered back projection (FBP) and simultaneous iterative reconstruction ......
The present study was performed to determine the potential of applying dual-energy subtraction (DES) digital tomo-synthe......
目的 提出一种计算胸部数字断层融合(DTS)辐射剂量的简单方法,并验证该方法的有效性;并比较DTS与胸部数字X线摄影(DR)、双能量减影(DES)、......
首先对tomosynthesis方法及其原理进行了分析,通过对tomosynthesis中各断层像和投影像间的关系方程组的变形,证明tomosynthesis与直接重建法(ART)在本质上是相同的。tomosynthesis的重建过程的实......
首先对tomosynthesis方法及其原理进行了分析,通过对tomosynthesis中各断层像和投影像间的关系方程组的变形,证明tomosynthesis与直接重建法(ART)在本质上是相同的。tomosynthesis的重建过程的实......
目的:比较断层融合成像(DTS)与常规DR的放射剂量。方法:将进行x线检查的连续就诊患者随机分入常规DR组和DTS组.选择14个常规检查部位,每......
Follow-up of endovascular aortic aneurysm repair:Preliminary validation of digital tomosynthesis and
AIM: To validate the feasibility of digital tomosynthesis of the abdomen(DTA) combined with contrast enhanced ultrasound......
为消除体层合成(tomosynthesis)重建图像中存在的切片间伪影,提出一种各向异性扩散滤波器的图像重建算法。利用偏微分方程的图像处......
介绍了层析X射线摄影合成的方法及原理,通过对tomosynthesis中各断层像和投影像间的关系方程组的分析,提出了基于tomosynthesis的快速工且利用PCS方法加以约束,得到在......
Aims: The purpose of this review includes the fol-lowing: 1) to identify indications for volumetric X-ray digital linear......
Comparison of metal artifact in digital tomosynthesis and computed tomography for evaluation of phan
We compared metal artifact in X-ray digital tomosynthesis (DT) and modern computed tomography (CT) reconstruction to imp......
Comparison of metal artifact in digital tomosynthesis and computed tomography for evaluation of phan
We compared metal artifact in X-ray digital tomosynthesis (DT) and modern computed tomography (CT) reconstruction to imp......
Objectives: Early detection and treatment provide the opportunity to decrease the mortality rate from breast cancer. Qua......
传统的层析X射线摄影合成(Tomosynthesis)算法不适合对C型臂X射线投影进行切片重建.提出了一种改进的Tomosynthesis算法CTS(C-arm ......
提出了一种新的tomosynthesis扫描方法,并将该方法应用到动态重建场合,用于抑制运动在成像中产生的伪迹。新的方法采用多源(双源与......
提出了一种新的tomosynthesis扫描方法,并将该方法应用到动态重建场合,用于抑制运动在成像中产生的伪迹。新的方法采用多源(双源与......
Mammographic appearance of the normal breast is altered in the post-operative setting. It is essential to be aware of th......
Comparison of Different Reconstruction Algorithms for Decreasing the Exposure Dose during Digital Br
We compared reconstruction algorithms [filtered back projection (FBP), maximum likelihood expectation maximization (MLEM......