Joint demosaicing and denoising

K Hirakawa, TW Parks - IEEE Transactions on Image …, 2006 - ieeexplore.ieee.org
The output image of a digital camera is subject to a severe degradation due to noise in the
image sensor. This paper proposes a novel technique to combine demosaicing and …

Joint demosaicing and denoising via learned nonparametric random fields

D Khashabi, S Nowozin, J Jancsary… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
We introduce a machine learning approach to demosaicing, the reconstruction of color
images from incomplete color filter array samples. There are two challenges to overcome by …

Despeckling of medical ultrasound images using Daubechies complex wavelet transform

A Khare, M Khare, Y Jeong, H Kim, M Jeon - Signal Processing, 2010 - Elsevier
The paper presents a novel despeckling method, based on Daubechies complex wavelet
transform, for medical ultrasound images. Daubechies complex wavelet transform is used …

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 …

Image informative maps for component-wise estimating parameters of signal-dependent noise

ML Uss, B Vozel, VV Lukin… - Journal of Electronic …, 2013 - spiedigitallibrary.org
We deal with the problem of blind parameter estimation of signal-dependent noise from
mono-component image data. Multispectral or color images can be processed in a …

Color reproduction from noisy CFA data of single sensor digital cameras

L Zhang, X Wu, D Zhang - IEEE Transactions on image …, 2007 - ieeexplore.ieee.org
Single sensor digital color still/video cameras capture images using a color filter array (CFA)
and require color interpolation (demosaicking) to reconstruct full color images. The color …

Adaptive smoothing of digital images: The R package adimpro

J Polzehl, K Tabelow - Journal of Statistical Software, 2007 - jstatsoft.org
Digital imaging has become omnipresent in the past years with a bulk of applications
ranging from medical imaging to photography. When pushing the limits of resolution and …

Wavelet domain image denoising for non-stationary noise and signal-dependent noise

B Goossens, A Pizurica… - … Conference on Image …, 2006 - ieeexplore.ieee.org
We develop a low-complexity overcomplete wavelet domain method for denoising digital
images corrupted with non-stationary white additive Gaussian noise. The noise level for …

Spatio-spectral sampling paradigm for imaging and a novel color filter array design

K Hirakawa, PJ Wolfe - US Patent 8,761,504, 2014 - Google Patents
Presented are new alternatives to the Bayer pattern for spatial subsampling in color imaging.
One aspect relates to a new design paradigm for spatio-spectral sampling The proposed …

Statistical detection of data hidden in least significant bits of clipped images

TH Thai, F Retraint, R Cogranne - Signal Processing, 2014 - Elsevier
This paper studies the statistical detection of data hidden in the Least Significant Bits (LSB)
plan of natural clipped images using the hypothesis testing theory. The main contributions …