95 search results - page 4 / 19 » Block Size Forensic Analysis in Digital Images |
ICMCS
2007
IEEE
15 years 4 months ago
2007
IEEE
In this digital era, digital multimedia contents are often transmitted over networks without any protection. This raises serious security concerns since the receivers/subscribers ...
117
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TIFS
2008
14 years 9 months ago
2008
In this paper, we provide a unified framework for identifying the source digital camera from its images and for revealing digitally altered images using photo-response nonuniformit...
140
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WIAMIS
2009
IEEE
15 years 4 months ago
2009
IEEE
Global motion is estimated either in the pixel domain or in block based domain. Until now, all the approaches regarding the latter are based on fixed sized blocks while the recent...
ICIP
2010
IEEE
14 years 7 months ago
2010
IEEE
Recently, a number of digital image forensic techniques have been developed which are capable of identifying an image's origin, tracing its processing history, and detecting ...
MM
2004
ACM
15 years 3 months ago
2004
ACM
One of the prime reasons movie and music studios have ignored the Internet for open-networked multimedia content delivery, has been the lack of a technology that can support a sec...