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...
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...
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...
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...
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...