Enhancement of color images by scaling the DCT coefficients

J Mukherjee, SK Mitra - IEEE Transactions on Image …, 2008 - ieeexplore.ieee.org
This paper presents a new technique for color enhancement in the compressed domain. The
proposed technique is simple but more effective than some of the existing techniques …

Image deblocking via sparse representation

C Jung, L Jiao, H Qi, T Sun - Signal Processing: Image Communication, 2012 - Elsevier
Image compression based on block-based Discrete Cosine Transform (BDCT) inevitably
produces annoying blocking artifacts because each block is transformed and quantized …

Low-rank tensor completion using matrix factorization based on tensor train rank and total variation

M Ding, TZ Huang, TY Ji, XL Zhao, JH Yang - Journal of Scientific …, 2019 - Springer
Recently, the method called tensor completion by parallel matrix factorization via tensor train
(TMac-TT) has achieved promising performance on estimating the missing information …

Efficient image tampering localization using semi-fragile watermarking and error control codes

P Lefèvre, P Carré, C Fontaine, P Gaborit, J Huang - Signal Processing, 2022 - Elsevier
In this paper, we propose an image tampering localization algorithm using semi-fragile
watermarking and Error-Locating codes in the DWT domain. By introducing different families …

Rodeo: robust de-aliasing autoencoder for real-time medical image reconstruction

J Mehta, A Majumdar - Pattern Recognition, 2017 - Elsevier
In this work we address the problem of real-time dynamic medical (MRI and X-Ray CT)
image reconstruction from parsimonious samples (Fourier frequency space for MRI and …

Efficient image deblocking based on postfiltering in shifted windows

G Zhai, W Zhang, X Yang, W Lin… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
We propose a simple yet effective deblocking method for JPEG compressed image through
postfiltering in shifted windows (PSW) of image blocks. The MSE is compared between the …

Robust automatic focus algorithm for low contrast images using a new contrast measure

X Xu, Y Wang, J Tang, X Zhang, X Liu - Sensors, 2011 - mdpi.com
Low contrast images, suffering from a lack of sharpness, are easily influenced by noise. As a
result, many local false peaks may be generated in contrast measurements, making it …

Medical image fusion with Laplacian pyramids

A Sahu, V Bhateja, A Krishn - 2014 International conference …, 2014 - ieeexplore.ieee.org
Fusion of various images aids the rejuvenation of complementary attributes of the images.
Similarly, medical image fusion constructs a composite image comprehending significant …

Method and an apparatus for determining vein patterns from a colour image

WKA Kong, C Tang, H Zhang, NA Craft - US Patent 9,317,761, 2016 - Google Patents
(54) METHOD AND AN APPARATUS FOR(52) US Cl. DETERMINING VEN PATTERNS
FROMA CPC........ G06K 9/00885 (2013.01); A61 B 5/02007 COLOUR IMAGE(2013.01); …

Reduction of blocking artifacts in JPEG compressed images

S Singh, V Kumar, HK Verma - Digital signal processing, 2007 - Elsevier
Image compression is a very important issue for several applications in the area of
multimedia communications, the objective being reduction of storage and transmission …