本文提出了一种线性相位精确重建余弦调制滤波器组的二次型约束设计公式。
We propose the quadratic constrained formulas for the design of linear phase cosine modulated paraunitary filter banks given in references .
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。
An analytical method allowing exact reconstruction from cone-beam projection data which are detected from a single circular orbit is discussed.
本文从理论上分析推导了3d锥束精确重建的完全条件，并结合一些具体的源点轨迹进行了讨论。
The completeness condition for 3d cone beam exact reconstruction is analysed and derived theoretically, and discussion about some source orbits follows.
目的将三源ct精确重建算法应用到动态重建的场合，用于抑制心脏或呼吸运动在CT成像中产生的伪迹。
Objective to reduce the artifacts produced by cardiac or respiratory motion, through the application of exact reconstruction algorithm with triple-source ct in dynamic reconstruction.
我们提出了圆加垂直弧段及三棱锥的三棱线这两种新的锥顶轨迹，并研究了以其进行精确重建所需的完全性条件。
In this paper two new cone vertex orbits, which are circle and arc and regular triangular pyramid lines, have been proposed and their complete conditions for exact reconstruction have been obtained.
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；
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;
在精确重建滤波过程中，需要计算投影数据的雷当变换，本文采用普通累加法和辛普森直线积分法来完成对象素网格的采样。
The Radon transform of the projection is calculated in the filtered process of exact reconstruction, Siddon and Simpson integral are used to sample the pixels to get the projection.
通过计算镜头和传感器之间的路径，可以重建一个具有精确方向的光线。
By calculating the path between the lens and the sensor, the precise direction of a light ray can be reconstructed.
后来他们的重建环境被证明是错误的，在更为精确的混合下试验不能被复制。
It later turned out that their reconstructed atmosphere was probably wrong, and the experiment had never been repeated with a more accurate mixture.
三维骨骼重建技术可以精确实现术前骨分析并为手术做好准备。
Three-dimensional bony reconstruction has enhanced preoperative bony analysis and planning for reconstructive surgery.
然后我们还要在一些非常特殊的头骨位置上放置肌肉组织深度标记。标记的长度按照某些非常的具体关系决定，精确到毫米，帮助引导她重建面部的肌肉组织。
And then we also place tissue depth markers on the skull at very specific areas, cut to very specific links and millimeters that help guide her in developing or recreating the tissue.
实验结果表明，利用该方法产生的三维重建点精确可靠，能够满足逆向工程等应用的要求。
The experiment shows that the results are accurate and reliable to meet the requirements of reverse engineering applications.
但大多数老建筑已经按高精确度重建，在这个令人心情愉悦的历史小镇里漫步，花上几小时甚至好几天都是很有可能的。
But most of the old structures have been rebuilt with great precision, and it's easy to spend hours (or days) just wandering through the pleasant historic quarter.
结果螺旋CT三维重建技术能够立体地，详尽和精确地显示颌面部的三维骨折解剖结构和相邻关系。
Result It can accurately display the jaw and face fracture anatomise and the relation with other parts with the spiral CT three dimension reconstruction.
于是，第一批研究《学说汇纂》的学者便以对其的完整重建，精确解释为己任，他们因此被称为“注释法学派”。
The first generations of scholars to study the Digest therefore made it their task to try to accurately reconstruct and explain its text.
通过尺寸驱动方法，实现了从图像中重建几何信息及拓扑信息，进而对扫描图像进行精确的智能校正。
Using the method of dimension drive, the geometrical and topological information is reconstructed from the image. Therefore, we rectify the engineering drawings with intelligent methods precisely.
结论三维重建方法对脑内神经团的三维重建切实有效，有助于对脑内神经核团形态位置的精确研究。
Conclusion The three dimension reconstruction method presented by this paper is effective to reconstruct brain nuclei and is helpful to identify precisely shape and location of brain nuclei.
为了适当地用这种方法重建信号，我们必须精确地知道信号的最高频部分和最低频部分到达的时间差。
In order to properly reconstruct a signal in this manner, we would have to know the exact time-lag between the highest frequency portion and the lowest frequency portion of the signal.
结论：(1)骨隧道精确的定位和正确的方向是防止髁间窝撞击避免ACL重建失败重要的基础。
Conclusion: (1) the accurate location and correct direction of the bone tunnels are fundamental for the prevention of the struck of the intercondylar fossa and the pitfall of ACL reconstruction.
实验结果表明，在3d重建方面，该系统是强壮和精确的。
The experiments show that system is robust and precise in 3d reconstruction.
为获得更精确的重建结果，提出了一种改进的交互式医学图像分割算法；
To obtain the more accurate results, an interactive image segmentation algorithm is presented.
提到的算法是有效和可靠的一对弱纹理和标准件，分别给出精确的3 - D坐标与实际自然图像的三维重建。
The algorithm mentioned is valid and reliable by 3d reconstruction on a pair of actual natural images with weak texture and the standard piece with given precise 3-d coordinates, respectively.
利用表面显示法实现颈椎的三维显示并可以精确测量重建的图像。
Three-dimensional reconstruction could be achieved and measured accurately by surface rendering.
对工业自动化中拍摄的CFA低分辨率图像的实验结果表明，我们改进后的算法能鲁棒、精确、高效地对彩色图像进行超分辨率重建。
The experimental results regarding to the LR CFA images captured in factory automation show that our improved algorithm can produce color SR images robustly, accurately and efficiently.
在重建过程中，本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题，保证了三维模型的精确度。
During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
在重建过程中，本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题，保证了三维模型的精确度。
During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
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