Image denoising using scale mixtures of Gaussians in the wavelet domain

J Portilla, V Strela, MJ Wainwright… - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
We describe a method for removing noise from digital images, based on a statistical model
of the coefficients of an overcomplete multiscale oriented basis. Neighborhoods of …

An optimized blockwise nonlocal means denoising filter for 3-D magnetic resonance images

P Coupé, P Yger, S Prima, P Hellier… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
A critical issue in image restoration is the problem of noise removal while kee** the
integrity of relevant image information. Denoising is a crucial step to increase image quality …

Image restoration by sparse 3D transform-domain collaborative filtering

K Dabov, A Foi, V Katkovnik… - … : algorithms and systems …, 2008 - spiedigitallibrary.org
We propose an image restoration technique exploiting regularized inversion and the recent
block-matching and 3D filtering (BM3D) denoising filter. The BM3D employs a non-local …

Reduced-reference image quality assessment using divisive normalization-based image representation

Q Li, Z Wang - IEEE journal of selected topics in signal …, 2009 - ieeexplore.ieee.org
Reduced-reference image quality assessment (RRIQA) methods estimate image quality
degradations with partial information about the ldquoperfect-qualityrdquo reference image …

Super-resolution with sparse mixing estimators

S Mallat, G Yu - IEEE transactions on image processing, 2010 - ieeexplore.ieee.org
We introduce a class of inverse problem estimators computed by mixing adaptively a family
of linear estimators corresponding to different priors. Sparse mixing weights are calculated …

Statistics of infrared images

NJW Morris, S Avidan, W Matusik… - 2007 IEEE Conference …, 2007 - ieeexplore.ieee.org
The proliferation of low-cost infrared cameras gives us a new angle for attacking many
unsolved vision problems by leveraging a larger range of the electromagnetic spectrum. A …

Experimental determination of the energy generated in nuclear cascades by a high energy beam

S Andriamonje, A Angelopoulos, A Apostolakis… - Physics Letters B, 1995 - Elsevier
An already existing, sub-critical arrangement made of natural uranium and water moderator
has been exposed to a low intensity (≈ 109 ppp) proton beam from CERN-PS at several …

Image restoration using space-variant Gaussian scale mixtures in overcomplete pyramids

JA Guerrero-Colón, L Mancera… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
In recent years, Bayes least squares-Gaussian scale mixtures (BLS-GSM) has emerged as
one of the most powerful methods for image restoration. Its strength relies on providing a …

A fuzzy noise reduction method for color images

S Schulte, V De Witte, EE Kerre - IEEE Transactions on image …, 2007 - ieeexplore.ieee.org
A new fuzzy filter is presented for the reduction of additive noise for digital color images. The
filter consists of two subfilters. The first subfilter computes fuzzy distances between the color …

Design of linear equalizers optimized for the structural similarity index

SS Channappayya, AC Bovik… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
We propose an algorithm for designing linear equalizers that maximize the structural
similarity (SSIM) index between the reference and restored signals. The SSIM index has …