Regularized Multidirections and Multiscales Anisotropic Diffusion for Sinogram Restoration of Low-Dosed Computed Tomography

by Zhiwu Liao
Published 2013-01-01

A New Definition of Fractional Derivatives Based on Truncated Left-Handed Grünwald-Letnikov Formula with 0<α<1 and Median Correction

by Zhiwu Liao
Published 2014-01-01

Low-Dosed X-Ray Computed Tomography Imaging by Regularized Fully Spatial Fractional-Order Perona-Malik Diffusion

by Zhiwu Liao
Published 2013-01-01

Sinogram Restoration for Low-Dosed X-Ray Computed Tomography Using Fractional-Order Perona-Malik Diffusion

by Shaoxiang Hu, Zhiwu Liao, Wufan Chen
Published 2012-01-01

Reducing Noises and Artifacts Simultaneously of Low-Dosed X-Ray Computed Tomography Using Bilateral Filter Weighted by Gaussian Filtered Sinogram

by Shaoxiang Hu, Zhiwu Liao, Wufan Chen
Published 2012-01-01

Image Denoising Based on Dilated Singularity Prior

by Shaoxiang Hu, Zhiwu Liao, Wufan Chen
Published 2012-01-01

Determining Neighborhoods of Image Pixels Automatically for Adaptive Image Denoising Using Nonlinear Time Series Analysis

by Zhiwu Liao, Shaoxiang Hu, Wufan Chen
Published 2010-01-01

Noise Estimation for Single-Slice Sinogram of Low-Dose X-Ray Computed Tomography Using Homogenous Patch

by Zhiwu Liao, Shaoxiang Hu, Ming Li, Wufan Chen
Published 2012-01-01

A Numerical Method for Preserving Curve Edges in Nonlinear Anisotropic Smoothing

by Shaoxiang Hu, Zhiwu Liao, Dan Sun, Wufan Chen
Published 2011-01-01

Enclosed Laplacian Operator of Nonlinear Anisotropic Diffusion to Preserve Singularities and Delete Isolated Points in Image Smoothing

by Zhiwu Liao, Shaoxiang Hu, Dan Sun, Wufan Chen
Published 2011-01-01

Improving Spatial Adaptivity of Nonlocal Means in Low-Dosed CT Imaging Using Pointwise Fractal Dimension

by Xiuqing Zheng, Zhiwu Liao, Shaoxiang Hu, Ming Li, Jiliu Zhou
Published 2013-01-01

Scaling, Self-Similarity, and Systems of Fractional Order

by Carlo Cattani, Martin Ehler, Ming Li, Zhiwu Liao, Mohammadreza Hooshmandasl
Published 2014-01-01