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1d-tv-alternating-minimization

1D Total Variation Tutorial Files

2023-workshop-on-metaverse

These are the codes to produce the figures in a talk at the 2023 Workshop on Metaverse title "Optimization-based Signal & Image Processing".

aa

aa-prox

Anderson acceleration of proximal gradient methods

admm-total-variation

Some other ADMM total variation codes

admm_example

admm_matlabcode

code for the 2010 paper

amath-515-code

Useful code such as proxgrad, FISTA,ADMM, coordinate descent (all for lasso) plus projection onto unit ball... from AMATH 515

an-improved-nlm-image-denoising-algorithm-based-on-edge-detection

Aiming at the removal of gaussian noise, we systematically analyze the shortage of non-local means image denonising algorithm (NLM), finding it is easy to lose structure information when dealing with the image containing complex edges and textures by NLM algorithm. In order to solve this problem, a non-local means image denoising based on edge detection is proposed in this thesis. The innovation of the proposed algorithm is mainly manifested in the following : (1) An improved Sobel operator with eight directions is proposed to extract a more accurate edge image; (2) To make the neighborhoods with similar structure obtain more weight, not only the Euclidean distance but also the edge image are considered when the similarity of neighborhoods is measured. Many experiments demonstrate that in both subjective and objective evaluation principles the performance of the improved algorithm has a good effect, and the visual effect of the denoised image is good.

andersoncd

Implementation of Anderson acceleration of coordinate descent.

apg

A lightweight accelerated proximal-gradient package for matlab

audioinpainting

Audio Inpainting - Scripts and Results for reproducible research.

augmented-lagrangian

Image In-Painting and Denoising with Augmented Lagrangian

blind-inpainting-l0-tv

Blind Inpainting using l0 and TV regularization

bm3d_matlab

BM3D in Matlab

bookchapteradmm

Code to reproduce the applications of the ADMM in the book chapter

chambolle-pock

codes-of-mc

open for readers

copt

A Python library for mathematical optimization

deconvolutionincompleteobs

Fast Image Deconvolution with Incomplete Observations

dsp-codes

Some C++ codes for DSP

fast_nuclear_norm

first-order-methods

First order optimization methods

firstorderdenoising

MATLAB toolbox for variational first order denoising and inpainting

fista

FISTA implementation in MATLAB

ftvd

Python implementation of "A New Alternating Minimization Algorithm for Total Variation Image Reconstruction"

geotensor

Geometric low-rank tensor completion for color image inpainting.

gradient-descent-optimizers-linear-regression

Gradient descent optimizers for linear regression

hdtv

Higher Degree Total Variation (HDTV) is an regularization penalty for linear inverse problems in imaging.

hnhotv_impulsenoise

Impulse Noise Restoration