快速而又具有一定精度的图像重建算法是流动成像测井技术的关键。
The fast accurate image reconstruction algorithm is very important for flow imaging logging.
本文对工业CT窄角扇束扫描方式下的迭代图像重建算法进行了研究。
In this paper, the author discusses in detail an efficient iterative image reconstruction algorithm in industrial computerized tomography (ICT) with the narrow fan-beam projection.
首先,提出了一种基于改进正则化方法的有限角度CT图像重建算法。
Firstly, a modified Tikhonov regularization ct image reconstruction algorithm from limited-angle is proposed.
介绍磁共振成像中的敏感性编码技术的原理、图像重建算法及图像的信噪比。
This article introduces the principle and image reconstruction algorithm and SNR of sensitivity encoding technology in magnetic resonance imaging.
本论文以提高图像空间分辨率和成像精度为目标,着重研究EIT图像重建算法。
This dissertation mainly studies EIT image reconstruction algorithms with the aim of increasing precision and spatial resolution of EIT.
快速图像重建算法一直是图像重建中的关键问题和衡量CT系统的重要指标之一。
Fast algorithm of image reconstruction has been key point and is a important parameter of ct system.
电容层析成像技术中图像重建算法的准确与快速是其在工业实际中得以应用的关键。
The speediness and accuracy of image reconstruction algorithm in electrical capacitance tomography are the keys to its application in industries.
本文提出的中间函数重建算法,是一种可以应用于扇束和锥束扫描的图像重建算法。
A new kind of ct image reconstruction algorithm named Intermediate Function algorithm is presented in this paper. This algorithm can be used both in fan-beam and cone-beam scan.
介绍电容层析成像系统的基本原理,着重介绍了一种基于正则化修正的图像重建算法;
The basic principle of electrical capacitance tomography system is introduced, and an image-reconstruction algorithm based on revised regularization method is also provided.
提出一种正则化广义逆ert图像重建算法,利用ERT仿真软件得到的数据进行图像重建。
A new ERT reconstruction algorithm based on regularized general inverse method is presented. Images are reconstructed using data got from ERT simulation software.
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。
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.
讨论了图像成像的基本模型,并提出了一种基于调整核回归函数作为正则项的序列图像重建算法。
The basic imaging model is discussed, and a novel algorithm based on steering kernel regression method as a regularization term for super resolution reconstruction of sequence image is proposed.
论文给出了一种基于傅立叶变换的中间函数法图像重建算法,并针对该算法设计了一种心脏扫描方案。
This paper presents an intermediate function reconstruction algorithm based on Fourier transform, and also designs a scan method used in Cardiac scan.
在分析电容层析成像基本原理和图像重建算法的基础上,提出一种结合正则化优化修正的共轭梯度算法。
Based on the analysis of basic principle of electrical capacitance tomography and the image reconstruction algorithm, a conjugate gradient algorithm with optimized regularization is proposed.
图像重建算法是EIT研究中非常重要的一个环节,EIT的图像重建方式分为动态式成像和静态式成像。
Imaging reconstruction method is one of the important aspect of EIT. The EIT reconstruction method includes dynamic imaging and static imaging.
这种图像重建算法不需要了解关于帧间运动模式与帧内模糊类型的先验知识,因而更接近实际应用的要求。
The algorithm that proposed in the paper does not depend on apriori information about blur type and the model of inter-frame motion, therefore it is more efficient i…
实验结果表明,在图像重建算法一定的情况下,成像质量均受成像传感器极板长度、成像区域像素个数和成像对象等因素的影响。
Experimental results shown that the image quality was affected by these causes which are length of sensor electrodes pixel Numbers of image zone and imaging objects.
实验结果表明,这一算法简单可行,具有良好的压缩结果和高质量的重建图像。
The experimental results show that the algorithm is simple and has better compression results and high quality rebuilding image.
实验结果表明,本算法简单、有效,并具有良好的压缩结果和高质量的重建图像。
The experimental results show that algorithm is very simple and has better compression results and high quality rebuilding image.
基于边缘模型重建的数字图像后处理算法可以改善高倍压缩图像的主观和客观质量。
The subjective and objective quality of decompressed images can be improved by digital image post-processing algorithms of model-based edge.
移动立方体(MC)算法是基于规则体数据抽取等值面的经典算法,本文最后设计开发了一个基于MC算法的医学图像三维重建系统。
Marching cubes (MC) algorithm is a classical algorithm to extract iso-surface from regular volume data. At last, a medical images reconstruction system based on MC algorithm is developed.
SENSE重建算法通过计算重叠位置的线圈灵敏度系数,将多个线圈得到的有重叠伪影的图像进行展开,得到一幅全-FOV 的无重叠的图像。
SENSE reconstruction algorithms can unfold the superposed voxels and combine into a full FOV image by the calculation of the coil sensitivity with the body coil reference scan data.
在PET重建的迭代过程中,此种负反馈迭代算法利用最近的一次重建图像来更新有噪声的探测到的发射正弦图数据。
Methods the CF iterative algorithm was applied to update the noisy detected emission sinogram data using the latest reconstructed image in the iterative process of PET reconstruction.
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。
It is important to select suitable sampling space and projection data for reducing cost and improving the image reconstruction efficiency in convolution backprojection algorithm.
应用迭代算法则可以使重建图像质量有很大改善。
Then the image quality reconstructed by conventional analytical algorithms will be unsatisfactory.
提出了基于数学形态学的幻想脸重建算法,设计了表达图像特征的张量结构,介绍了幻想脸的重建步骤。
The algorithm designed a tensor structure to represent image features and shows the detailed process of hallucinating face reconstruction.
以常规算法重建图像。
根据织物悬垂三维形态测试仪的基本原理,提出了一种织物悬垂性图像的三维形态重建算法。
According to the fundamental of the fabric drapability three dimensional shape tester, a three dimensional shape reconstruction algorithm of fabric drapability is proposed.
重点分析了利用经典的卷积反投影算法重建康普顿背散射扫描图像过程中的数据修正问题。
The paper primarily analyses the data correction in reconstructing the image of CBS in the manner of classical filtered back-project.
本文在比较了各种算法后,采用卷积反投影算法作为并行图像重建的算法。
After comparing different algorithms, this paper introduces convolution back projection algorithm for the parallel image reconstruction.
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