274 search results - page 40 / 55 » Anti-forensics of JPEG compression |
IEEEMSP
2002
IEEE
14 years 22 days ago
2002
IEEE
We present a blind data hiding method for JPEG compressedimageswhichminimizesthe perceptualdistortion due to data embedding.The proposed systempresentsa number of op. tions to the ...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
A new architecture for region of interest (ROI) image coding is proposed. ROIs are defined as image regions containing objects of interest, and an efficient algorithm proposed for...
SIBGRAPI
2005
IEEE
14 years 1 months ago
2005
IEEE
We present a lossless compressor for multispectral images that exploits interband correlations. Each band is divided into blocks, to which a wavelet transform is applied. The wave...
TMM
2002
13 years 7 months ago
2002
In this paper a hybrid fractal and Discrete Cosine transform (DCT) coder is developed. Drawing on the ability of DCT to remove inter-pixel redundancies and on the ability of fracta...
TCSV
2008
13 years 7 months ago
2008
Recently, among various data hiding techniques, a new subset, lossless data hiding, has received increasing interest. Most of the existing lossless data hiding algorithms are, howe...