14 search results - page 1 / 3 » Towards copy-evident JPEG images |
GI
2009
Springer
14 years 2 months ago
2009
Springer
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 ...
IWDW
2005
Springer
14 years 2 months ago
2005
Springer
In this paper, we use the previously proposed calibrated DCT features [9] to construct a Support Vector Machine classifier for JPEG images capable of recognizing which steganograp...
JISE
2007
13 years 9 months ago
2007
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
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 ...
EVOW
2007
Springer
14 years 3 months ago
2007
Springer
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 ...