Design of approximate bilateral filters for image denoising on FPGAs

F Spagnolo, P Corsonello, F Frustaci, S Perri - IEEE Access, 2023 - ieeexplore.ieee.org
This paper presents the hardware design of fast and low-cost denoising filters suitable to be
exploited in the enabling technologies for Industry 5.0. A novel approximate computing …

Mixed Poisson-Gaussian noise reduction using a time-space fractional differential equations

FG Bahador, P Mokhtary, M Lakestani - Information Sciences, 2023 - Elsevier
Images are frequently corrupted by various sorts of mixed or unrecognized noise, including
mixed Poisson-Gaussian noise, rather than just a single kind of noise. In this work, we …

A two-stage filter for high density salt and pepper denoising

DNH Thanh, NH Hai, VBS Prasath, LM Hieu… - Multimedia tools and …, 2020 - Springer
Image restoration is an important and interesting problem in the field of image processing
because it improves the quality of input images, which facilitates postprocessing tasks. The …

An adaptive image inpainting method based on euler's elastica with adaptive parameters estimation and the discrete gradient method

DNH Thanh, VBS Prasath, S Dvoenko - Signal Processing, 2021 - Elsevier
Euler's Elastica is a common approach developed based on minimizing the elastica energy.
It is one of the effective approaches to solve the image inpainting problem. Nevertheless …

PReLU and edge‐aware filter‐based image denoiser using convolutional neural network

RS Thakur, RN Yadav, L Gupta - IET Image Processing, 2020 - Wiley Online Library
Convolutional neural networks (CNNs) based on the discriminative learning model have
been widely used for image denoising. In this study, a feed‐forward denoising CNN …

Two-step non-local means method for image denoising

X Zhang - Multidimensional Systems and Signal Processing, 2022 - Springer
Non-local means (NLM) method is a powerful technique in the field of image processing.
The center weight CW (the weight of the pixel to be denoised) plays an important role for the …

An image denoising algorithm based on adaptive clustering and singular value decomposition

P Li, H Wang, X Li, C Zhang - IET Image Processing, 2021 - Wiley Online Library
Self‐similarity, a prior of natural images, has attracted much attention. The attribute means
that low‐rank group matrices can be constructed from similar image patches. For low‐rank …

A novel image denoising approach based on a non-convex constrained PDE: application to ultrasound images

A Hadri, L Afraites, A Laghrib, M Nachaoui - Signal, Image and Video …, 2021 - Springer
In this paper, we are interested in the mathematical and simulation study of a new non-
convex constrained PDE to remove the mixture of Gaussian–impulse noise densities. The …

Minimization for Signal and Image Recovery

L Huo, W Chen, H Ge, MK Ng - SIAM Journal on Imaging Sciences, 2023 - SIAM
The nonconvex optimization method has attracted increasing attention due to its excellent
ability of promoting sparsity in signal processing, image restoration, and machine learning …

Image restoration based on transformed total variation and deep image prior

L Huo, W Chen, H Ge - Applied Mathematical Modelling, 2024 - Elsevier
Most supervised learning methods require observation data and ground truth pairs as data
sets to train the network. However, it is difficult and time-consuming to obtain a large number …