Fragile watermarking using finite field trigonometrical transforms
نویسندگان
چکیده
منابع مشابه
Fragile watermarking using finite field trigonometrical transforms
Fragile digital watermarking has been applied for authentication and alteration detection in images. Utilizing the cosine and Hartley transforms over finite fields, a new transform domain fragile watermarking scheme is introduced. A watermark is embedded into a host image via a blockwise application of two-dimensional finite field cosine or Hartley transforms. Additionally, the considered finit...
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ژورنال
عنوان ژورنال: Signal Processing: Image Communication
سال: 2009
ISSN: 0923-5965
DOI: 10.1016/j.image.2009.04.003