15 search results - page 2 / 3 » The cost of JPEG compression anti-forensics |
ICASSP
2007
IEEE
14 years 1 months ago
2007
IEEE
Flickering is a temporal visual artifact that affects compressed video. It is prominent in intra-frame video coders and is largely the result of content variations and quantizatio...
IPSN
2007
Springer
14 years 1 months ago
2007
Springer
Energy-efficient image communication is one of the most important goals for a large class of current and future sensor network applications. This paper presents a quantitative com...
ITCC
2000
IEEE
13 years 11 months ago
2000
IEEE
Standard JPEG decompression reconstructs quantized DCT coefficients to the center of the quantization bin. This fails to exploit the nonuniform distribution of the AC coefficien...
IJHPCA
2008
13 years 7 months ago
2008
Principal component analysis (PCA) is an effective tool for spectral decorrelation of hyperspectral imagery, and PCA-based spectral transforms have been employed successfully in co...
ISCAS
2005
IEEE
14 years 18 days ago
2005
IEEE
—JPEG2000 image compression standard is designed to cater the needs of a large span of applications including numerous consumer products. However, its use is still restricted due...