NL-SAR: A unified nonlocal framework for resolution-preserving (Pol)(In) SAR denoising

CA Deledalle, L Denis, F Tupin… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Speckle noise is an inherent problem in coherent imaging systems such as synthetic
aperture radar. It creates strong intensity fluctuations and hampers the analysis of images …

SAR2SAR: A semi-supervised despeckling algorithm for SAR images

E Dalsasso, L Denis, F Tupin - IEEE Journal of Selected Topics …, 2021 - ieeexplore.ieee.org
Speckle reduction is a key step in many remote sensing applications. By strongly affecting
synthetic aperture radar (SAR) images, it makes them difficult to analyze. Due to the difficulty …

Integration of optical and Synthetic Aperture Radar imagery for improving crop mapping in Northwestern Benin, West Africa

G Forkuor, C Conrad, M Thiel, T Ullmann, E Zoungrana - Remote sensing, 2014 - mdpi.com
Crop mapping in West Africa is challenging, due to the unavailability of adequate satellite
images (as a result of excessive cloud cover), small agricultural fields and a heterogeneous …

Secrets of image denoising cuisine

M Lebrun, M Colom, A Buades, JM Morel - Acta Numerica, 2012 - cambridge.org
Digital images are matrices of equally spaced pixels, each containing a photon count. This
photon count is a stochastic process due to the quantum nature of light. It follows that all …

Speckle reduction in polarimetric SAR imagery with stochastic distances and nonlocal means

L Torres, SJS Sant'Anna, C da Costa Freitas… - Pattern Recognition, 2014 - Elsevier
This paper presents a technique for reducing speckle in Polarimetric Synthetic Aperture
Radar (PolSAR) imagery using nonlocal means and a statistical test based on stochastic …

Analysis, evaluation, and comparison of polarimetric SAR speckle filtering techniques

S Foucher, C López-Martínez - IEEE transactions on image …, 2014 - ieeexplore.ieee.org
Speckle noise filtering on polarimetric SAR (PolSAR) images remains a challenging task
due to the difficulty to reduce a scatterer-dependent noise while preserving the polarimetric …

Iterative bilateral filtering of polarimetric SAR data

O D'Hondt, S Guillaso… - IEEE Journal of Selected …, 2013 - ieeexplore.ieee.org
In this paper, we introduce an iterative speckle filtering method for polarimetric SAR
(PolSAR) images based on the bilateral filter. To locally adapt to the spatial structure of …

Robust polarimetric SAR despeckling based on nonlocal means and distributed Lee filter

H Zhong, J Zhang, G Liu - IEEE Transactions on Geoscience …, 2013 - ieeexplore.ieee.org
This paper presents a nonlocal Lee (NL-Lee) filter for polarimetric synthetic aperture radar
despeckling. In the proposed NL-Lee filter, a kind of hybrid patch similarity measure is …

Basic principles of SAR polarimetry

C López-Martínez, E Pottier - Polarimetric Synthetic Aperture Radar …, 2021 - Springer
This chapter critically summarizes the main theoretical aspects necessary for a correct
processing and interpretation of the polarimetric information towards the development of …

Adaptive-window polarimetric SAR image speckle filtering based on a homogeneity measurement

F Lang, J Yang, D Li - IEEE Transactions on Geoscience and …, 2015 - ieeexplore.ieee.org
This paper proposes a polarimetric homogeneity measurement and applies it to the speckle
filtering of polarimetric synthetic aperture radar (PolSAR) data. First, a line-and-edge (LAE) …