Research Article A Multiplicative Noise Removal Approach Based
Feb 26, 2012 ... Multiplicative noise, also known as speckle noise, is signal ... by using the traditional additive noise removal algorithm in ..... ideal for the big multiplicative noise. ... denoising processes in the multiplicative noise removal framework, that ..... 23 S. Kim, “PDE-based image restoration: a hybrid model and color ...
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Noises and Image Denoising Techniques: A Brief Survey - CiteSeerX
study. Different noise models including additive and ... Multiplicative Noises, and Denoising Techniques. ... A very large portion of digital image processing is ... is a form of bandwidth reduction of the image caused by ... binary, gray-scale and colour images . ... example, a method that is used to denoise satellite images.
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Climate dynamics and fluid mechanics: Natural variability and
Jun 15, 2010 ... reduction of the uncertainties in future climate-change projections. ... doing so, we concentrate on the large-scale, wind-driven flow of the ..... the colors in Fig. ..... attractor in the stochastic framework is also explained briefly below, with ..... of how different types of noise — additive and multiplicative, white.
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Stochastic dynamics of Arctic sea ice Part I: Additive noise
Sep 29, 2015 ... During the satellite era, in which we have high-fidelity measurements of ... the noise provide an interpretive framework of cause and effect and their ... multiplicative noise. As we increase .... face fluxes, the meridional heat flux due to large scale ..... ity) of V is indicated by the gradients of the color contours. In.
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A new wavelet-based fuzzy single and multi-channel - CiteSeerX
Multiplicative noise is generally more difficult to remove ... scale s and orientation d respectively, then we can model the additive ... framework, assuming a generalized Gaussian distribution for the ... 2) If a coefficient is large/small, some of the neighboring coefficients ...... tral satellite images for experimental dataset ( Fig.
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Bayesian Motion Estimation for Dust Aerosols
Aug 6, 2013 ... as a multiplicative factor covering air compressibility and satellite column projection. ... a Bayesian hierarchical framework that uses remote sensing data to detect dust plumes ..... and v with additive Gaussian noise, that is, uηx + v ηy .... 26, 2010, a period with several smaller and large scale dust events.
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Statistical Assessment of Radiometric Measurements - AERONET
satellite data and the successive validation of derived products. However ... the framework of ocean color activities, this work investigates ... collection of a large amount of measurements to support ... and remove data affected by cloud perturbations, measurement .... tion of overall additive noise was thus made considering.
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Resenhas IME-USP 1999, Vol. 4, No.1, 45 - Revistas USP
The multiplicative model, an important tool for SAR data modeling and ... with a continental dimension, have a need for information in large scale, which might be ... The conceptual framework .... different objects by their means (brightness) or their colors. Natural ...... additive one) could be used to reduce the speckle noise.
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Wavelet Operators and Multiplicative Observation Models - Hal
Jan 26, 2016 ... high), long satellite revisit time and short satellite lifetime, among other issues. ... regularizing SAR data for speckle reduction and fea- ... monitoring of most large scale earth structures. ... ing a joint and intuitive framework for change detection .... additive signal-dependent noise Y is non-stationary in general ...
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Geodesic Active Fields—A Geometric Framework for Image
Thirdly, the multiplicative coupling between the registration term, ... straints reduce the variations of the deformation field ... additive data terms. .... the framework to denoising of color images and textures, we ..... The geometry of a large class of scale-spaces can be defined .... Gaussian noise is the squared error metric .
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22 M. ZAHID ALAM.pdf - Research Trend
Oct 12, 2015 ... Noise removal is one of the very important aspect in the ... substitutive noise speckle noise and additive white. Gaussian ... multi temporal satellite images using principal ... multiplicative noise. ... Bayesian framework is used to adapt the NL means .... each wavelet subband at a given scale and orientation,.
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Adaptive fuzzy systems for multichannel signal - Multimedia Lab
in the field of multichannel (color) image processing. Hence ... in most cases, by additive random noise. ... consideration and introduce the general framework for an ... as multiplicative and signal-dependent noise removal, mul- tichannel satellite image processing, and identification of ... Usually, a large number of rules.
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VIS: the visible imager for Euclid - arXiv.org
Euclid-VIS is a large format visible imager for the ESA Euclid space mission in ... Until there is high accuracy data to put these new theoretical frameworks to .... additive σsys < 2 x 10–4 ; multiplicative < 2 x 10-3 ..... CTI correction is limited by the presence of readout noise in the CCD and ROE; a reduction in this has already.
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Real Time Detection of Hurricanes from Satellite Cloud - IAENG
typically based on pixel color, intensity, texture, and location, ... as it has an additive effect of the high hurricane wind speed ... noise . The resulted satellite images are subjected to clustering based on .... system and large-scale winds that determine the direction of .... 1: Schematic framework of hurricane storm detection.
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Super-Resolution Bandlet Upconversion for HDTV - CMAP - Ecole
cost of these large screen televisions, consumers expect high quality images ... format, this means outputting over 200 mega bytes of good quality HD color ... reviews traditional linear and adaptive filtering to remove noise and distortions. ..... modeled as a mix of additive and multiplicative Gaussian and Poisson noises.
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An Image Dehazing Model considering Multiplicative Noise and
Nov 28, 2014 ... signifies the global color of the haze and dehaze the images. ... satellite and long -distant telescopic imaging systems, where the captured images ... proposed strategy is tested using a large amount of available .... The closed matting framework used ... Image Restoration under Multiplicative Noise and Blur.
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statistical models for shapes and deformations - the UNC
large-scale features is less variable than the location of small-scale features." The priors on ..... defines the noise mechanism (e.g., additive or multiplicative).
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pdf - arXiv - arXiv.org
Jul 13, 2015 ... a halo model framework which accounts for the mis-centring of the ... Key words: Cosmology: dark matter; Galaxies: haloes, large scale .... the properties of satellite galaxies in groups (Sifón et al. .... The effective area after removing masks ..... to correct for the multiplicative noise bias m in the lensfit shear.
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Conference paper - Volumes
May 11, 2015 ... Snow and glacier ice have different time scales for storage dynamics ... large snow-covered areas (Nagler and Rott, 2000). In ... radar-based satellite acquisitions to monitor changes in ... Thus, the Kennaugh framework divides the signal into ... combines both additive and multiplicative noise contributions in.
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Sparse learned representations for image restoration
Keywords: sparsity, image processing, sparse coding, color, image ... algorithm for the removal of additive white Gaussian noise with gray-scale images. ... In this section, we briefly review the main ideas of the K-SVD framework for ..... A large patch of size n pixels is divided along the tree to sub-patches of sizes ns = n. 4s ,.
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