重建法

本文提出一种新的CT重建法&非均匀反投影重建法。

A nonuniform back-projection reconstruction method for computerized tomography is presented .

一种新的CT重建法

A new reconstruction method for computerized tomography

容积重建法CT脑血管造影的临床应用

Clinical application of three-dimensional spiral CT cerebral angiography with volume rendering

基于压缩传感和代数重建法的CT图像重建

Image reconstruction for CT based on compressed sensing and ART

最后提出对横向非均匀结构用层析技术的代数重建法（ART）进行成象，并给出了三维数值模拟结果。

Finally , an approach of ART is applied to a synthetic model with lateral heterogeneity , and the analog results of three-dimensional velocity distribution have been given .

用于FBG传感器波长检测的光谱重建法

Spectrum Rebuilding Used in FBG Sensors

对于三度界面的重力反演，应用边界元法（代数重建法ART解反演方程）求解时会出现边界振荡现象。

Boundary vibration phenomenon occurs in solving the gravity inversion of 3-D interfaces with the use of boundary element method ( solving the gravity inversion equation by algebraic reconstruction technique ) .

提出一种基于Radon变换的反投影重建法重建二维矢量场的数学模型。

This paper presents a new maths method for vector field reconstruction with inverse projections based on Radon transition .

本研究借助于AutoCAD2000，用VISUALLISP语言进行二次开发，通过三维重建法使画法几何问题得以在三维空间中分析求解。

Now a 3D analysis system to solve the complex problems of descriptive geometry using AutoCAD 2000 and Visual LISP are developed .

滤波反投影法和代数重建法是CT中最为常见的算法，基于对这两种算法的深入分析，本文对其中的关键提出了改进，使得算法的速度和精度都有提高。

Filter Backprojection algorithm and Algebraic Reconstruction Techniques are commonly used in CT : This thesis lucubrate these algorithm , present pivotal and innovative amelioration , improve their speed and accuracy .

对用光谱位相相干直接电场重建法（SPIDER）测量飞秒光脉冲啁啾特性的光谱位相干涉仪进行了数值模拟；

The numerical analyses have been conducted for characterizing femtosecond laser pulses with the spectral phase interferometry for direct electrical field reconstruction ( SPIDER ) .

提出了基于代数重建法（ART）的重建算法，利用少量声学数据，分别对炉膛火焰分布的几种典型模型，单峰模型、双峰模型以及四角切圆模型，进行了仿真重建。

A reconstruction algorithm using algebraic reconstruction techniques ( ART ) is proposed . Three typical temperature field models , such as one-peak model , two-peaks model and corner tangential model , are simulated with only a few acoustic data respectively .

由此证明，傅利叶重建法在一定条件下可以用来反演地壳速度结构，并可得到较好的结果.这种方法是CT技术应用于地学研究的一种新的尝试。

It proved that Fourior rebuilding method can be used in inverting crustal velocity structure and better result can also be got under certain conditions . This method is a new attempt on applying CT technique to the field of earth science .

材料与方法对20例颌面部外伤的患者行多排螺旋CT扫描，均行表面遮盖法（SSD）、容积再现法（VR）和多平面重建法（MPR）三维重建。

Materials and Methods 20 case with maxillofacial trauma were scanned by MSCT , all images were performed with Shaded surface display ( SSD ), Volume rendering ( VR ) and Multi-plane reconstruction ( MPR ) .

采用最大密度投影法（MIP），表面遮盖显示（SSD）和多平面重建法（MPR）3种方式重建图像。将横轴位图像与不同方法重建的图像进行对比。

The images were reconstructed by maximum intensity projection ( MIP ), surface shaded display ( SSD ) and multiplanar reconstructions ( MPR ), and compared with which obtained by scanning in axial orientation .

计算中采用了代数重建法，并就改善ART和SIRT这两种算法的稳定性及收敛速度，提出了较合理的权因子。

In the computation , the algebraic reconstruction technique ( ART ) is adopted and modified . In order to improve the computation stability and convergence of ART and SIRT algorithms , a reasonable weighting factor is suggested .

方法以氢化大豆磷脂、胆固醇、十八胺为原料，采用反相蒸发法（REV）制备脂质体，加入纯化狂犬病毒抗原，以冻干重建法（DRV）制备狂犬病毒脂质体疫苗。

Methods Prepare liposome with phospholipid , cholesterol and stearylamine by reverse evaporation , then add purified rabies virus antigen for preparation of rabies virus liposome vaccine by lyophilization .

为了准确研究超短脉冲，长期以来，人们已经形成了二阶自相关法、频率分辨光学开关法（FROG）、自参考光谱位相相干电场重建法（SPIDER）等测量方法，并各具特点。

In order to study on ultra short pulse precisely , some measurement methods are established , such as second order autocorrelation , frequency-resolved optical gating ( FROG ), self & referencing spectral phase interferometry for direct electric reconstruction ( SPIDER ) .

方法对45例关节外伤患者进行普通X线片和MSCT检查，并通过多平面重建法（MPR）、三维表面遮盖法（SSD）及容积重建技术（VRT）观察骨折细节。

Methods Fourty five cases of joint fracture were examined with MSCT scaning and multiplanar reconstruction ( MPR ), surface shaded display ( SSD ) and volume rendering technique ( VRT ) to observe the details of the lesion .

例如，针对服装样板设计和服装款式设计这2个不同方面的需求，可以分别选用测量重建法和3DS导入法来建立人体模型。

For example , according to the different aspects of fashion pattern design and fashion style design , the measuring reconstruction method and the imported 3DS method for a mannequin model can be separately took .

目前3D-CTA后处理技术有遮盖表面显示法（SSD）、最大密度投影法（MIP）、多平面重建法（MPR）、遮盖容积重建法（SVR）和仿真内窥镜（VE）等。

The post - process methods of 3D - CTA include shaded surface display ( SSD ) maximum intensity pro-jection ( MIP ) multi - planar reconstruction ( MPR ) shade volume rendering ( SVR ) and virtual endoscopy ( VE ) , et al .

传统方法与最小走时算法的结合，如HWT方法，则是通过波前传播计算射线路径。本文阐述了两种比较常用的射线追踪方法&有限差分法和有序波前重建法。

The development of the research is that : The improvement on the foundation between traditional try-shooting method and bending method , eg. The text expands two raytracing methods in common use , that is the finite difference method and the ordered wave front reconstruction method .

利用宫胁森林重建法恢复和再建山东森林植被

Restoration and Reconstruction of Shandong Forest Vegetation using Miyawaki Method

用相空间重建法研究武定地震序列

Using Reconstruction Method of Phase Space to Study the Wuding Earthquake Sequence

代数重建法反演环电流分布的初步结果

New Results of Algebraic Reconstruction Techniques to Inverse Ring Current Ions Distribution

有序波前重建法在铁路勘察中的应用研究

Application Research on Ordinal Wavefront Reconstruction Method in Railway Survey

提高声全息成像分辨率的有限频谱重建法

A limited frequency spectrum method for improving resolution of acoustical holographic imaging

代数重建法中的一种快速投影系数计算方法

Approach for Fast Projection Coefficient Computation in Algebraic Reconstruction Technique

线性迭代子空间射影重建法

An Iterative Method Based on Subspace for Projective Reconstruction

2种术式设计：（1）环状韧带重建法；

Two operations were designed : ( 1 ) reconstruction of annular ligament ;