本文介绍了数据采集系统、图像重建和显示系统的故障诊断方法及具体故障的维修实例。
It is introduces how to analyze the fault in the data acquisition and image reconstruction system, also list service examples of this system.
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.
最后介绍了本系统所采用的立体成像方式、三维重建方法和模型,以及立体视觉中的图像匹配的问题。
Finally we introduce three-dimensional imaging system, three-dimensional reconstruction method and model that we have adopted, and the problem about image matching in the three-dimensional vision.
采用代数重建算法处理由电容层析成像系统所采集的投影数据可以获得较高质量的图像,但其耗时较多。
Algebraic reconstruction algorithm (ART) is used to process projections from electrical capacitance tomographic systems and to reconstruct high qualitative images, but it need more time.
该文从系统论的观点出发,将由投影重建图像中的变换看成空间变化的动态系统模型。
Derived from the viewpoint of system theory, transformations of image reconstruction from projections are replaced with the spatial variant dynamic system models in this paper.
一个对病人谁需要一个面部假体表面的面部三维数据集,获得使用感应系统,以及面部三维图像重建。
A three-dimensional dataset of the facial surface of a patient who needed a facial prosthesis was obtained using a sensing system, and the three-dimensional image of the face was reconstructed.
这种移动测量系统通过代价函数的计算和距离剖面匹配使得重建图像的精度和效率大大提高。
The accuracy and efficiency of traverse measurement system are improved by means of the cost function calculation and range profiles matching.
系统地介绍了多层螺旋CT图像重建的各项技术,并综合实际工作经验讨论其临床应用价值。
In this paper, the techniques of image reconstruction for spiral CT are introduced systemically. Combined with experience in actual work, the significance of its clinical application is discussed.
针对人体信息系统的三维重建与可视化这一研究课题,本文着重探讨了医学图像边缘检测技术。
Aiming at the research item about 3d rebuilding and visualization of body information system, the author discusses the technique of medical image edge detection emphatically.
作为ET技术的最终归宿,重建图像质量的优劣体现着ET系统硬件和软件上的进步程度。
As the final product of ET technology, reconstructed image embodies the progress of the hardware and software of ET system.
该系统主要由L波段ESR谱仪、三维梯度磁场装置、数据处理及图像重建软件组成。
The main components of the ESRI system include a set of L-band ESR spectrometer, the three dimensional gradient magnetic field system and the imaging reconstruction software.
将传统的二维断层图像用三维超声重建系统进行处理,能在计算机屏幕上形象逼真地显示人体器官和组织的立体视图。
The 3D structure of the tissue can be realistically displayed on computer CRT by 3D ultrasonic reconstruction system, which processes traditional two-dimensional (2D) ultrasonic images.
在工业x -CT成像系统中,散射现象对重建图像的质量有重要的影响,一直是CT研究的热点之一。
The scattering phenomenon has an important influence on the reconstructed image in industrial X-CT imaging systems, and is a hot research on ct all the time.
小波变换提供了一种图像的多分辨率分解重建的表示形式,这种小波分解能够有效的利用人类视觉系统的特性压缩图像。
Wavelet provides a compact multi-resolution representation and reconstruction of image, which makes it possible to exploit the property of Human Visual System for image coding.
为抑制计算机层析造影(CT)系统重建图像中出现的金属伪影,提高图像的质量,采用一种基于金属投影非线性权重衰减的方法进行校正。
A metal artifacts reduction method using nonlinear weights was developed to suppress metal artifacts in X-ray CT(computerized tomography) images to improve the image quality.
基于医学图像的人工关节三维重建系统研究是一个典型的多学科交叉领域,它涉及到医学图像处理、三维重建、虚拟仿生制造等相关技术。
Artificial Joint reconstruction System based medical image is a typical multi-subjects field. It involves medical image process, three-dimensional reconstruction and virtual bionic manufacturing, etc.
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.
实验研究了不同编码参数下MPEG - 2数字图像系统重建的运动图像清晰度。
The definition of digital TV system using different code parameters of MPEG-2 is also given in this paper.
系统很好地完成了视频图像的实时压缩,且压缩比高、重建图像质量好。
So the system can finish real-time video compression well and compression rate is high and the reconstruction image is clear.
文中介绍了CT图像三维重建的原理和算法,并给出在牙种植导航系统中的应用实例。
This paper introduces the theory and the arithmetic of 3d reconstruction from ct slices, and its application in the dental implantation navigation system.
目的选择脑ct静脉造影(CTV)的最佳扫描时相及重建层厚,以获得良好的脑静脉图像,提高脑静脉系统疾病的CT诊断水平。
To investigate the optimal delay time and slice thickness of CT venography (CTV) of the head in order to get better images and to improve the diagnosis for cerebral venous system diseases.
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.
该系统包括红外图像的处理技术、三维信息提取的体相交技术、三维形体的表示方法和基于八叉树结构的飞机三维形体重建的实现。
It has infrared images processing, volume intersection technique, 3d representation scheme of an object, and accomplishes reconstruction of 3d plane structure by Octree coding.
介绍了经食管超声心动图三维重建系统的硬件装置和图像处理的流程框图。结果表明。
The hardware equipments and image processing flow chart of 3 -d reconstruction of TEE images were described.
随后扫描获得的数据重建出三维图像。之后,这些图像与临床的常规电标测系统比较决定消融靶点。
The scan data was reconstructed into 3-d images and compared to the clinical electrical mapping system routinely used to determine where to apply ablations.
以本系统获得的二维断层图像为原始数据,利用自行设计三维重建软件,得到了真彩的表面重建和任意切面重建结果。
Using 2D series section images acquired by the system, the true color 3D reconstructions of the surface and any section plane have been achieved.
实验结果表明,研究提出的散射校正方法能有效减少基于平板探测器的锥束CT 系统散射伪影,提高了重建切片图像的质量。
The result showed that the method can effectively reduce the scatter artifacts and increase the quality of the reconstructed slice image.
以本系统获得的二维断层图像为原始数据,利用自行设计三维重建软件,得到了真彩的表面重建和任意切面重建结果。
Using 2d series section images acquired by the system, the true color 3d reconstructions of the surface and any section...
本文描述了该系统的整体结构,重点介绍了其图像处理部分,包括图像显示、图像处理、临床分析规程、断层重建和三维可视化等模块。
The image processing part is emphasized on, including the modules of the image display, the image processing, the clinical protocols, 3-dimensional reconstruction and visualization etc.
实践证明,使用VTK开发医学图像三维重建系统,重建效果好,开发时间少,代码重用率高。
Practice proves, using VTK to develop medical images' reconstruction system has good reconstruction results, less development time and high code reuse rate.
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