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» Towards copy-evident JPEG images
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GI
2009
Springer
11 years 6 months ago
Towards copy-evident JPEG images
Abstract: We present a technique for adding a high-frequency pattern to JPEG images that is imperceptible to the unaided eye, but turns into a clearly readable largeletter warning ...
Andrew Lewis, Markus Kuhn
IWDW
2005
Springer
11 years 6 months ago
Towards Multi-class Blind Steganalyzer for JPEG Images
In this paper, we use the previously proposed calibrated DCT features [9] to construct a Support Vector Machine classi´Čüer for JPEG images capable of recognizing which steganograp...
Tomás Pevný, Jessica J. Fridrich
ICIP
2002
IEEE
12 years 2 months ago
No-reference perceptual quality assessment of JPEG compressed images
Human observers can easily assess the quality of a distorted image without examining the original image as a reference. By contrast, designing objective No-Reference (NR) quality ...
Hamid R. Sheikh, Zhou Wang, Alan C. Bovik
EVOW
2007
Springer
11 years 7 months ago
Overcompressing JPEG Images with Evolution Algorithms
Abstract. Overcompression is the process of post-processing compressed images to gain either further size reduction or improved quality. This is made possible by the fact that the ...
Jacques Lévy Véhel, Franklin Mendivi...
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