274 search results - page 25 / 55 » Anti-forensics of JPEG compression |
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
A new compound image compression algorithm is proposed, based on Shape Primitive Extraction and Coding (SPEC). The SPEC first segments a compound image into text/graphics pixels an...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Identifying criminals and victims in evidence images, where their faces are covered or obstructed, is a challenging task. In the legal case, United States v. Michael Joseph Pepe (...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
A comparison of lossleess compression results is given for RGB, YCRCB and reversible JPEG 2000 color space. The paper describes the general conditions that rounding errors of a co...
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
Synthetic aperture radar SAR systems are mounted on airplanesand satellites, which have limited downlink and storage capacity, yet SAR image sequences may be produced at rates of ...
ICASSP
2007
IEEE
14 years 2 months ago
2007
IEEE
Perceptual image quality metrics have explicitly accounted for perceptual characteristics of the human visual system (HVS) by modeling sensitivity to subband noise as the just-not...