Multitemporal SAR image decomposition into strong scatterers, background, and speckle

S Lobry, L Denis, F Tupin - IEEE Journal of Selected Topics in …, 2016 - ieeexplore.ieee.org
Speckle phenomenon in synthetic aperture radar (SAR) images makes their visual and
automatic interpretation a difficult task. To reduce strong fluctuations due to speckle, total …

RABASAR: A fast ratio based multi-temporal SAR despeckling

W Zhao, CA Deledalle, L Denis, H Maître… - IGARSS 2018-2018 …, 2018 - ieeexplore.ieee.org
In this paper, a generic method is proposed to reduce speckle in multi-temporal stacks of
SAR images. The method is based on the computation of a “super-image”, with a large …

Speckle removal from SAR images in the undecimated wavelet domain

F Argenti, L Alparone - IEEE Transactions on Geoscience and …, 2002 - ieeexplore.ieee.org
Speckle reduction is approached as a minimum mean-square error (MMSE) filtering
performed in the undecimated wavelet domain by means of an adaptive rescaling of the …

Maximum likelihood signal processing techniques to detect a step pattern of change in multitemporal SAR images

P Lombardo, TM Pellizzeri - IEEE Transactions on Geoscience …, 2002 - ieeexplore.ieee.org
In this paper, we address the problem of deriving adequate detection and classification
schemes to fully exploit the information available in a sequence of SAR images. In particular …

Model-based despeckling and information extraction from SAR images

M Walessa, M Datcu - IEEE Transactions on Geoscience and …, 2000 - ieeexplore.ieee.org
Basic textures as they appear, especially in high resolution SAR images, are affected by
multiplicative speckle noise and should be preserved by despeckling algorithms. Sharp …

A simple, efficient filter for multitemporal SAR images

P Gineste - International Journal of Remote Sensing, 1999 - Taylor & Francis
It has been recently shown how multitemporal data may be used to improve the radiometric
resolution of Synthetic Aperture Radar (SAR) images. Yet even the optimal speckle …

SAR speckle reduction using wavelet denoising and Markov random field modeling

H Xie, LE Pierce, FT Ulaby - IEEE Transactions on geoscience …, 2002 - ieeexplore.ieee.org
The granular appearance of speckle noise in synthetic aperture radar (SAR) imagery makes
it very difficult to visually and automatically interpret SAR data. Therefore, speckle reduction …

Multi-variate optimal speckle reduction in SAR imagery

J Bruniquel, A Lopes - International journal of remote sensing, 1997 - Taylor & Francis
This paper addresses a speckle reduction method of coregistered SAR images based on
pixel-to-pixel summation. The sample intensity summation technique (incoherent …

Speckle reduction and restoration of synthetic aperture radar data with an adoptive markov random field model

M MahdianPari, M Motagh… - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
This paper proposes a novel speckle reduction method that combines an advanced
statistical distribution with spatial contextual information for SAR data. The method for …

Comparison of different speckle-reduction techniques in SAR images using wavelet transform

A Vidal-Pantaleoni, D Marti - International Journal of Remote …, 2004 - Taylor & Francis
Speckle noise is always present in Synthetic Aperture Radar (SAR) images. Many methods
that reduce speckle noise while preserving texture and detail have been presented …