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Description
  • V této práci, jsou prezentovány principy vodoznaku. Navrhovaný systém je založen na chaotické funkci pro vkládání a srovnávací metodě pro detekci. Použitý princip ukazuje zvýšenou odolnost proti JPEG kompresi a filtraci. (cs)
  • In this work, a new blind watermarking scheme in frequency domain is presented. The proposed scheme is based on a chaotic function for embedding, and a correlation method for detection. Three-dimensional maps of PSNR and correlation are used for better selection of embedding parameters according to a duality threshold. The scheme shows increased robustness against Jpeg compression and cropping. The watermark is also detectable after filtering attacks like low pass filtering, median filtering and Gaussian blur, noise attacks, as well as some geometrical attacks
  • In this work, a new blind watermarking scheme in frequency domain is presented. The proposed scheme is based on a chaotic function for embedding, and a correlation method for detection. Three-dimensional maps of PSNR and correlation are used for better selection of embedding parameters according to a duality threshold. The scheme shows increased robustness against Jpeg compression and cropping. The watermark is also detectable after filtering attacks like low pass filtering, median filtering and Gaussian blur, noise attacks, as well as some geometrical attacks (en)
Title
  • Chaotic-Correlation Based Watermarking scheme for Still Images
  • Vodoznačení nepohyblivých obrazů založené na chaotické korelaci (cs)
  • Chaotic-Correlation Based Watermarking scheme for Still Images (en)
skos:prefLabel
  • Chaotic-Correlation Based Watermarking scheme for Still Images
  • Vodoznačení nepohyblivých obrazů založené na chaotické korelaci (cs)
  • Chaotic-Correlation Based Watermarking scheme for Still Images (en)
skos:notation
  • RIV/49777513:23220/08:00500717!RIV09-MSM-23220___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 359527
http://linked.open...ai/riv/idVysledku
  • RIV/49777513:23220/08:00500717
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Watermarking; frequency domain; correlation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [80C10923B9DE]
http://linked.open...v/mistoKonaniAkce
  • Plzeň
http://linked.open...i/riv/mistoVydani
  • Pilsen
http://linked.open...i/riv/nazevZdroje
  • Applied Electronics 2008
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Štork, Milan
  • Hrušák, Josef
  • Chrysochos, E.
  • Fotopoulos, Vassilis
  • Skodras, A.
  • Xenos, M.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Západočeská univerzita v Plzni
https://schema.org/isbn
  • 978-80-7043-654-7
http://localhost/t...ganizacniJednotka
  • 23220
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