18 search results - page 3 / 4 » No-reference perceptual quality assessment of JPEG compresse... |
TIP
2011
13 years 8 days ago
2011
—We study the efficiency of deblocking algorithms for improving visual signals degraded by blocking artifacts from compression. Rather than using only the perceptually questiona...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
The statistical footprint left by JPEG compression can be a valuable source of information for the forensic analyst. Recently, it has been shown that a suitable anti-forensic meth...
CBMS
2009
IEEE
13 years 10 months ago
2009
IEEE
— Real-time medical image quality is a critical requirement in a number of healthcare environments, including ophthalmology where studies suffer loss of data due to unusable (ung...
ICIP
2003
IEEE
14 years 7 months ago
2003
IEEE
This paper exploits independent component analysis (ICA) to obtain transform-based compression schemes adapted to specific image classes. This adaptation results from the data-dep...
MMSEC
2006
ACM
13 years 11 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...