A review on medical image denoising algorithms

SVM Sagheer, SN George - Biomedical signal processing and control, 2020 - Elsevier
Over the past two decades, medical imaging and diagnostic techniques have gained
immense attraction due to the rapid development in computing, internet, data storage and …

A tutorial on speckle reduction in synthetic aperture radar images

F Argenti, A Lapini, T Bianchi… - IEEE Geoscience and …, 2013 - ieeexplore.ieee.org
Speckle is a granular disturbance, usually modeled as a multiplicative noise, that affects
synthetic aperture radar (SAR) images, as well as all coherent images. Over the last three …

Iterative weighted maximum likelihood denoising with probabilistic patch-based weights

CA Deledalle, L Denis, F Tupin - IEEE transactions on image …, 2009 - ieeexplore.ieee.org
Image denoising is an important problem in image processing since noise may interfere with
visual or automatic interpretation. This paper presents a new approach for image denoising …

A nonlocal SAR image denoising algorithm based on LLMMSE wavelet shrinkage

S Parrilli, M Poderico, CV Angelino… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We propose a novel despeckling algorithm for synthetic aperture radar (SAR) images based
on the concepts of nonlocal filtering and wavelet-domain shrinkage. It follows the structure of …

A Review on SAR Image and its Despeckling

P Singh, M Diwakar, A Shankar, R Shree… - … Methods in Engineering, 2021 - Springer
The method of speckle reduction is widely used in synthetic aperture radar (SAR) imagery
over the last three decades. The SAR images are inherently speckled in nature. Speckle …

Multi-objective CNN-based algorithm for SAR despeckling

S Vitale, G Ferraioli, V Pascazio - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Deep learning (DL) in remote sensing has nowadays become an effective operative tool: it is
largely used in applications, such as change detection, image restoration, segmentation …

SAR image despeckling based on local homogeneous-region segmentation by using pixel-relativity measurement

H Feng, B Hou, M Gong - IEEE Transactions on Geoscience …, 2011 - ieeexplore.ieee.org
This paper provides a novel pointwise-adaptive speckle filter based on local homogeneous-
region segmentation with pixel-relativity measurement. A ratio distance is proposed to …

Adaptive regularization of the NL-means: Application to image and video denoising

C Sutour, CA Deledalle, JF Aujol - IEEE Transactions on image …, 2014 - ieeexplore.ieee.org
Image denoising is a central problem in image processing and it is often a necessary step
prior to higher level analysis such as segmentation, reconstruction, or super-resolution. The …

SAR despeckling using multi-objective neural network trained with generic statistical samples

S Vitale, G Ferraioli, AC Frery… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) images are impaired by the presence of speckles. Despite
the deep interest of scholars in the last decades, SAR image despeckling is still an open …

Effective speckle noise suppression in optical coherence tomography images using nonlocal means denoising filter with double Gaussian anisotropic kernels

J Aum, J Kim, J Jeong - Applied Optics, 2015 - opg.optica.org
Non-local means (NLM) filter is one of the state-of-the-art denoising filters. It exploits the
presence of similar features in an image and averages those similar features to remove …