14 search results - page 1 / 3 » Towards copy-evident JPEG images |
GI
2009
Springer
14 years 3 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 4 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 10 months ago
2007
ICIP
2002
IEEE
15 years 13 days 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 5 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 ...