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Platform: |
Size: 1144832 |
Author: 姜正茂 |
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Description: 一种使用牛顿迭代的超分辨算法，该算法以2的对数提高传统Landweber算法的运算速度，附带文章。-The problem of poor resolution of acquired image in the passive millimeter wave imaging stems mainly from antenna size limitations, thus necessitating efficient post-processing to achieve resolution improvements. A novel image super-resolution algorithm, Regularized-Newton-Residual (RNR) algorithm, is proposed for Passive Millimeter wave imaging (PMMW). First Newton inversion algorithm is introduced into the field of image restoration. The iterative scheme of Newton algorithm is deduced based on normal equation. Then, residual method is employed to achieve better performance and implement spectrum extrapolation. Experimental results demonstrate the algorithm is insensitive to noise distribution. Furthermore it has high super-resolution rate and fast convergence speed.
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Size: 6144 |
Author: 姜正茂 |
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Description: 该程序主要是用来做focus-deblur的，效果非常的好，来自国外的网站。-The program is mainly used for focus-deblur, the effect is very good, from the foreign site.
Platform: |
Size: 339968 |
Author: xiao feng |
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Description: Landweber迭代正则化的加速，一个很好的正则化方法！-Landweber iterative regularization of the acceleration, a good regularization method!
Platform: |
Size: 234496 |
Author: 郑林 |
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Description: LANDWEBER迭代函数用于图像显示二维图像的显示和应用-LANDWEBER iteration function for image display and application of two-dimensional image display
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Size: 1024 |
Author: zhaoxian |
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Description: 一篇学位论文，用Landweber迭代方法解决非线性不适定问题的收敛性分析，供大家参考学习-A degree thesis, with Landweber iteration method to solve nonlinear ill-posed problem of convergence analysis, provide everyone ref
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Size: 1176576 |
Author: sada |
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Description: landweber迭代算法，用于ECT电容层析成像的迭代类算法-landweber iterative algorithm iterator class algorithm for ECT capacitance tomography
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Size: 2048 |
Author: keith |
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Description: Block-based random image sampling is coupled with a projectiondriven
compressed-sensing recovery that encourages sparsity in
the domain of directional transforms simultaneously with a smooth
reconstructed image. Both contourlets as well as complex-valued
dual-tree wavelets are considered for their highly directional representation,
while bivariate shrinkage is adapted to their multiscale
decomposition structure to provide the requisite sparsity constraint.
Smoothing is achieved via a Wiener filter incorporated
into iterative projected Landweber compressed-sensing recovery,
yielding fast reconstruction. The proposed approach yields images
with quality that matches or exceeds that produced by a popular,
yet computationally expensive, technique which minimizes total
variation. Additionally, reconstruction quality is substantially
superior to that from several prominent pursuits-based algorithms
that do not include any smoothing
Platform: |
Size: 5961728 |
Author: quang |
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Description: Multiscale Block Compressed Sensing with Smoothed Projected Landweber Reconstruction
Platform: |
Size: 1468416 |
Author: 刘金亮 |
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Description: 一种适用于图像的压缩感知采样策略和重建算法，采样策略是基于块的图像稀疏采样矩阵，重建算法为smoothed projected Landweber（SPL）迭代算法。-BCS-SPL combines block-based compressed-sensing sampling (BCS) of an image with a smoothed projected-Landweber (SPL) iterative reconstruction. Sampling is driven by random matrices applied on a block-by-block basis, while the reconstruction is a variant of projected Landweber (PL) reconstruction (also known as iterative hard thresholding (IHT)) that incorporates a smoothing operation (Wiener filtering) intended to reducing blocking artifacts. In essence, this filtering operation imposes smoothness in addition to the sparsity inherent to PL.
Platform: |
Size: 1163264 |
Author: 孔德地 |
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Description: 很好的压缩感知重构算法，分块的基于LandWeber投影的重构算法，效率很高-Good compressed sensing reconstruction algorithm based LandWeber projection reconstruction algorithm chunked, high efficiency
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Size: 4072448 |
Author: 方杰 |
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Description: 一种基于光滑Landweber投影的图像分块压缩感知算法。可以用于图像的压缩感知研究-A Block-based image compressed sampling method using smoothed Landweber projection. Can be used in image CS study.
Platform: |
Size: 24017920 |
Author: Catherine |
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Description: 采用Landweber方法进行反卷积，迭代次数需要自己设定-deconvolution with Landweber
Platform: |
Size: 1024 |
Author: zyc |
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Description: 改程序是求解反问题的经典程序，可以进行修改使用，适合初学者-The reform program is the classic procedure for solving the inverse problem, can be modified to use, suitable for beginners
Platform: |
Size: 1024 |
Author: 王华军 |
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Description: landweber是一种代数重建算法，相对别的算法，它的重建速度较快，用于图像重建等-landweber is an algebraic reconstruction algorithm, compared to other algorithms, it is faster to rebuild, for image reconstruction
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Size: 4096 |
Author: cxy |
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Description: 电容层析成像的landweber算法演示程序，并有详细的说明。-The capacitive tomography of the landweber algorithm demonstrates the program and has a detailed description.
Platform: |
Size: 3125248 |
Author: 畅畅快快 |
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Description: 简单的landweber迭代算法，可应用于一维、二维图像重建。(Simple landweber iterative algorithm can be applied to one-dimensional andtwo-dimensional image reconstruction.)
Platform: |
Size: 130048 |
Author: 佳美呀
|
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Description: BCS-SPL将图像的基于块的压缩感测采样（BCS）与平滑的投影Landweber（SPL）迭代重建相结合。采样是通过逐块应用随机矩阵来驱动的，而重建则是预期的Landweber（PL）重建（也称为迭代硬阈值（IHT））的变体，其结合平滑操作（维纳滤波）减少块效应。实质上，除了PL所固有的稀疏性之外，这种滤波操作还能提供平滑性。(BCS-SPL combines block-based compressed-sensing sampling (BCS) of an image with a smoothed projected-Landweber (SPL) iterative reconstruction. Sampling is driven by random matrices applied on a block-by-block basis, while the reconstruction is a variant of projected Landweber (PL) reconstruction (also known as iterative hard thresholding (IHT)) that incorporates a smoothing operation (Wiener filtering) intended to reducing blocking artifacts. In essence, this filtering operation imposes smoothness in addition to the sparsity inherent to PL.)
Platform: |
Size: 1162240 |
Author: 钟易xxxx |
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