34 search results - page 6 / 7 » Blind forensics of contrast enhancement in digital images |
ICIAP
2003
ACM
14 years 5 months ago
2003
ACM
To be able to enlarge a digital image from a single frame preserving the perceptive cues is a relevant research issue. The best algorithms take into account the presence of edges ...
TOG
2002
13 years 4 months ago
2002
We present a new technique for the display of high-dynamic-range images, which reduces the contrast while preserving detail. It is based on a two-scale decomposition of the image ...
EUROGRAPHICS
2010
Eurographics
13 years 6 months ago
2010
Eurographics
This paper proposes two variants of a simple but efficient algorithm for structure-preserving halftoning. Our algorithm extends Floyd-Steinberg error diffusion; the goal of our ex...
ICHIT
2009
Springer
13 years 12 months ago
2009
Springer
The identification of source camera is useful to improve the capability of evidence in the digital image such as distinguish the photographer taking illegal images and adopting di...
MVA
2002
13 years 5 months ago
2002
Anew method to extract retinal blood vessels from a colour fundus image is described. Digital colour h d u s images are contrast enhanced in order to obtain sharp edges. The green...