274 search results - page 21 / 55 » Anti-forensics of JPEG compression |
TIP
1998
13 years 7 months ago
1998
—As the Joint Photographic Experts Group (JPEG) has become an international standard for image compression, we present techniques that allow the processing of an image in the “...
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
In this paper, a new fast video codec using Wavelet Difference Reduction (WDR) algorithm is presented. This proposed video codec is inspired by the concept of motion JPEG; namely,...
MMSEC
2006
ACM
14 years 1 months ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
TIFS
2008
13 years 7 months ago
2008
We investigate three schemes for severe compression of iris images in order to assess what their impact would be on recognition performance of the algorithms deployed today for ide...
ACTAC
1999
13 years 7 months ago
1999
A new image compression algorithm, Distortion Limited Wavelet Image Codec (DLWIC), is introduced. The codec is designed to be simple to implement, fast and have modest requirement...