Using more measurement electrodes in ECT system can obtain more projection data.
增加ECT系统的测量极板数目，可以增加投影数据量。
The algebraic reconstruction technique (ART) was proposed to reconstruct image from incomplete projection data.
针对不完全投影的数据重建问题，提出了利用代数重建法(ART)进行图像重建。
The invention relates to a projection system for producing attenuation components of projection data of a region of interest.
本发明涉及一种投影系统，用于产生感兴趣区的投影数据的衰减分量。
In order to obtain the 2-D projection data, a longitudinal traveling workbench controlled by computer is set up to realize line by line scan.
为了得到完整的螺纹牙型数据，建立了计算机控制的纵向工作台，可以实现对螺纹投影的逐行扫描。
An analytical method allowing exact reconstruction from cone-beam projection data which are detected from a single circular orbit is discussed.
本文介绍了一种可以对来自于单一圆轨道的锥束投影数据进行精确重建的分析方法。
The new method exploits the redundancy of information in the image reconstructed from the restored projection data by optimizing non-local weight.
新方法利用恢复投影数据的重建图像冗余信息优化非局部均值权重。
Thus, the quantity of detection signals required for obtaining the projection data is reduced to perform the reconstruction process at high speed.
因此，减少了获得投影数据所需的检测信号量，以便高速执行重构处理。
It is an effective way for improving quality of reconstructed images that projection data are optimized in the field of Computerized Tomography (ct).
在计算机层析技术(CT)中，优化投影数据是改善重建图象质量的有效途径。
Traditional filtered backprojection (FBP) method required complete projection data, which were often difficult or even impossible to acquire for objective reasons.
传统的滤波反投影算法(FBP)要求完备的投影数据，而实际检测中往往由于客观原因无法获得完全的投影数据。
Because of the projection image overlap due to coded-pinhole collimator, the completeness of projection data and volume image reconstruction algorithm are discussed.
还针对编码针孔准直器的投影混叠问题，讨论了投影数据完备性和体积图像的重建方法。
There are two main reasons that cause ECT reconstruction images not accurate: the soft field characteristic of ECT sensor sensitivity, and the very small projection data.
ECT图像重建精度不高的主要原因是ECT敏感场的“软场”问题以及投影数据有限。
A simulated temperature field experiment proved that the projection data extraction method based on the phase unwrapping succeeded in facilitating computation of tomography.
模拟温度场实验证明基于相位展开的投影数据提取方法能够更好地完成层析计算。
It is important to select suitable sampling space and projection data for reducing cost and improving the image reconstruction efficiency in convolution backprojection algorithm.
利用卷积反投影算法对图像进行重建时，要降低成本，提高成像效率，就必须选取合理的抽样间距和投影数。
Image reconstruction algorithm research and increasing the number of projection data are two important aspects to improve the image reconstruction quality, which is just the key to this paper.
图像重建算法研究和增加投影数据是改善图像重建质量的两个重要方面，也正是本文的研究重点。
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；
We then looked at the Bureau of Labor Statistics' employment projection data to see how fast employment was expected to increase between 2010 and 2020 in popular jobs held by people with each degree.
然后我们关注美国劳工统计局(Bureauof LaborStatistics)的就业预测数据，看看2010年- 2020年期间持各种热门学位的人所从事的热门工作，它们的就业增长有多快。
We then looked at the Bureau of Labor Statistics' employment projection data to see how fast employment was expected to increase between 2010 and 2020 in popular jobs held by people with each degree.
然后我们关注美国劳工统计局(Bureauof LaborStatistics)的就业预测数据，看看2010年- 2020年期间持各种热门学位的人所从事的热门工作，它们的就业增长有多快。
应用推荐