000086855 001__ 86855
000086855 005__ 20190316233742.0
000086855 037__ $$aCONF
000086855 245__ $$aInfluence of a Large Image Watermarking Scheme Parallelization on Possible Attacks
000086855 269__ $$a2001
000086855 260__ $$bSPIE$$c2001
000086855 336__ $$aConference Papers
000086855 490__ $$aProc. of SPIE
000086855 520__ $$aDigital data representation provides an efficient and fast way to access to information and to exchange it. In many situations though ownership or copyright protection mechanisms are desired. For still images and video, one possible way to achieve this is through watermarking. Watermarking consists of an imperceptible information embedded within a given media. Parallel ProcessingWatermarking Embedding Schemes have demonstrated to be efficient from a computational and memory usage point of view for very large images. These schemes consist in dividing the image into tiles and watermarking each independently. The processing allows the use of a parallel computation scheme. The watermarking method used in the scope of this work is a parallel variant of an approach known as self-referenced Spread Spectrum signature pattern. Since the watermarking scheme has been modified through tiling, the extra references due to signature replication can be used in the retrieval. This work describes the above mentioned approach to watermark images and provides an analysis of its performance.
000086855 6531_ $$aLTS1
000086855 6531_ $$aLTS2
000086855 700__ $$aDivorra Escoda, O.
000086855 700__ $$aFigueras i Ventura, R.
000086855 700__ $$aDebes, E.
000086855 700__ $$g105043$$aEbrahimi, T.$$0240223
000086855 773__ $$j4472$$tin proceedings of the SPIE's, 46th Annual Meeting on Optical Science and Technology$$q175-186
000086855 8564_ $$uhttps://infoscience.epfl.ch/record/86855/files/Divorra%20Escoda2001_484.pdf$$zn/a$$s4274565
000086855 909C0 $$0252077$$pMMSPL
000086855 909C0 $$0252392$$pLTS2$$xU10380
000086855 909CO $$qGLOBAL_SET$$pconf$$pSTI$$ooai:infoscience.tind.io:86855
000086855 937__ $$aEPFL-CONF-86855
000086855 970__ $$aDivorraEscoda2001_484/LTS
000086855 973__ $$sPUBLISHED$$aEPFL
000086855 980__ $$aCONF