Description: CT重建算法,迭代算法ARTII,乘型ART算法,该算法法比初始值选择不能为0-CT reconstruction algorithm, iterative algorithm ARTII, x-ART algorithm, The algorithm method than the initial value of options can not be 0 Platform: |
Size: 256000 |
Author:weige |
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Description: 当前论文主要考虑的是非信号依赖的高斯噪声下的图像恢复,本程序实现了泊松噪声下的图像恢复,泊松噪声为信号依赖噪声,能够更加有效逼近实际成像系统噪声。- This is the code that was used in the papers "A Nonnnegatively Constrained Convex Programming Method for Image Reconstruction", "Total Variation-Penalized Poisson Likelihood Estimation for Ill-Posed Problems", "Tikhonov Regularized Poisson Likelihood Estimation: Theoretical Justification and a Computational Method", "An Efficient Computational Method for Total Variation with Poisson Negative-Log Likelihood", "An Analysis of Regularization by Diffusion for Ill-Posed Poisson Likelihood Estimation," "An Iterative Method for Edge-Preserving MAP Estimation when Data-Noise is Poisson", and finally, "Regularization Parameter Selection Methods for Ill-Posed Poisson Maximum Likelihood Estimation". See my publications page for more details. The main algorithm is for nonnegatively constrained, regularized Poisson likelihood estimation. At this point you can choose Tikhonov, total variation regularization, and diffusion regularization. A number of other methods are also implemented. Regularizatio Platform: |
Size: 432128 |
Author:sun |
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Description: OS-EM迭代算法 用于图像重建,是一种新的图像重建方法,可以有效减少伪影-OS-EM iterative algorithm for image reconstruction, is a new image reconstruction method can effectively reduce the artifacts Platform: |
Size: 2048 |
Author:王 |
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Description: 这个不用多说,现在非常流行的一种迭代压缩感知重建算法。-Needless to say this, now very popular an iterative reconstruction algorithm for compressed sensing. Platform: |
Size: 11264 |
Author:王尚礼 |
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Description: This collection of MATLAB software contains implementations of several Algebraic Iterative
Reconstruction methods for discretizations of inverse problems. Platform: |
Size: 51200 |
Author:omer |
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Description: 本程序在matlab中运行。
Generate_SystemMatrix是一个计算OSEM,MLEM迭代图像算法中系统矩阵的函数,其用法Generate_SystemMatrix(pixel),为所要重建图像的大小,一般为64,128,256,pixel也大运算越慢。
里面的diedai-test文件是一个简单的MLEM重建算法,其中要加载SystemMatrix矩阵就是Generate_SystemMatrix(128)的结果,注意如果要运行diedai-test,生成的系统矩阵名要保存为SystemMatrix,否则出错。
testsino是一个正弦图实例,就是MLEM算法中的投影矩阵,机算是数据。-This program is run in matlab. The Generate_SystemMatrix is a calculation of the OSEM, a function of the system matrix MLEM iterative image algorithm, its use Generate_SystemMatrix (pixel) to rebuild the image size, usually 64,128,256, pixel also large computing slower. Inside diedai-test file is a simple MLEM reconstruction algorithm, which load SystemMatrix matrix is the result of Generate_SystemMatrix (128), pay attention to if you want to to run diedai-test, the generated system matrix is saved as SystemMatrix, otherwise an error. testsino instance of a sinogram projection matrix MLEM algorithm, machine be regarded as data. Platform: |
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Author:cc |
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Description: AIR Tools is a MATLAB software package for tomographic reconstruction (and other imaging problems) consisting of a number of algebraic iterative reconstruction methods. The work was carried out as part of the project CSI: Computational Science in Imaging, funded by the Danish Research Council for Technology and Production Sciences, and headed by Prof. Per Christian Hansen, DTU Compute. The collaborators are DTU Compute, Dept. of Electronic Systems at Aalborg University, and MOSEK ApS. The main part of the Matlab code was written by Maria Saxild-Hansen. The core of the functions fambeamtomo, paralleltomo, and seismictomo was written by Jakob Sauer J鴕gensen. Platform: |
Size: 80896 |
Author:章力 |
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Description: ART迭代算法重建图像 matlab 可放到其他语言环境中使用-ART iterative image reconstruction algorithm matlab environment can be put to use in other languages Platform: |
Size: 1024 |
Author:wanglimei |
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Description: CT图像重建代码,直接滤波反投影,滤波反投影算法,解析法的滤波反投影算法,迭代法主程序,其余的都是调用函数。(CT image reconstruction code, direct filter back projection, filtered back projection algorithm, analytic method of filtered back projection algorithm, iterative main program, and the rest are called functions.) Platform: |
Size: 7168 |
Author:xinxin437 |
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