• DocumentCode
    1190530
  • Title

    DCT-based image watermarking using subsampling

  • Author

    Chu, Wai C.

  • Author_Institution
    DoCoMo USA Labs., San Jose, CA, USA
  • Volume
    5
  • Issue
    1
  • fYear
    2003
  • fDate
    3/1/2003 12:00:00 AM
  • Firstpage
    34
  • Lastpage
    38
  • Abstract
    A DCT-based image watermarking algorithm is described, where the original image is not required for watermark recovery, and is achieved by inserting the watermark in subimages obtained through subsampling.
  • Keywords
    discrete cosine transforms; image coding; image sampling; watermarking; DCT-based image watermarking; discrete cosine transform; subimages; subsampling; Decoding; Discrete cosine transforms; Discrete wavelet transforms; Equations; Gaussian distribution; Pixel; Robustness; Signal mapping; Spread spectrum communication; Watermarking;
  • fLanguage
    English
  • Journal_Title
    Multimedia, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    1520-9210
  • Type

    jour

  • DOI
    10.1109/TMM.2003.808816
  • Filename
    1196735
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1190530