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ICIP
2008
IEEE
16 years 8 months ago
Localization of sparse image tampering via random projections
Hashes can be used to provide authentication of multimedia contents. In the case of images, a hash can be used to detect whether the data has been modified in an illegitimate way....
Marco Tagliasacchi, Giuseppe Valenzise, Stefano Tu...
ICIP
2006
IEEE
16 years 8 months ago
On Macroblock Partition for Motion Compensation
In the H.264/AVC video coding standard, motion compensation can be performed by partitioning macroblocks into square or rectangular sub-macroblocks in a quadtree decomposition. Th...
Edson M. Hung, Ricardo L. de Queiroz, Debargha Muk...
ICIP
2005
IEEE
16 years 8 months ago
Watermarking JBIG2 text region for image authentication
An authentication watermarking technique (AWT) inserts hidden data into an image in order to detect any accidental or malicious alteration to the image. AWT usually computes, usin...
Sergio Vicente Denser Pamboukian, Hae Yong Kim, Ri...
ICIP
2005
IEEE
16 years 8 months ago
3GPP compliant adaptive wireless video streaming using H.264/AVC
In 3GPP a standard for multimedia streaming over mobile networks called PSS (Packet-switched Streaming Service) has been specified. In order to deal with changing transmission char...
Thomas Schierl, Thomas Wiegand, Markus Kampmann
ICIP
2004
IEEE
16 years 8 months ago
Distributed compression of the plenoptic function
In this paper, we consider the problem of distributed compression in camera sensor networks. Due to the spatial proximity of the different cameras, acquired images can be highly d...
Nicolas Gehrig, Pier Luigi Dragotti