Sciweavers

ICMCS
2010
IEEE
168views Multimedia» more  ICMCS 2010»
14 years 16 days ago
Block-based image steganalysis for a multi-classifier
Traditional image steganalysis techniques for classification of steganograhic algorithms are conducted with respect to the entire image. In this work, we aim to design a multi-cla...
Seongho Cho, Jingwei Wang, C.-C. Jay Kuo, Byung-Ho...
MVA
2007
119views Computer Vision» more  MVA 2007»
14 years 27 days ago
Wavelet-Based Multiresolution Features for Detecting Duplications in Images
Duplication of image regions is a common method for manipulating original images using typical software like Adobe Photoshop. In this study, we propose a wavelet based feature rep...
Md. Khayrul Bashar, Keiji Noda, Noboru Ohnishi, Hi...
IDEAL
2004
Springer
14 years 4 months ago
Cosine Transform Priors for Enhanced Decoding of Compressed Images
Abstract. Image compression methods such as JPEG use quantisation of discrete cosine transform (DCT) coefficients of image blocks to produce lossy compression. During decoding, an...
Amos J. Storkey, Michael Allan
ICIP
2005
IEEE
15 years 1 months ago
Localization and security enhancement of block-based image authentication
Most block-based image authentication techniques that are presented in the literature sacrifice localization accuracy in order to resist vector quantization (VQ) counterfeiting att...
Abdelkader H. Ouda, Mahmoud R. El-Sakka