Wavelet-based fragile watermarking scheme for image authentication
نویسندگان
چکیده
منابع مشابه
Wavelet-based fragile watermarking scheme for image authentication
In this work, we propose a novel fragile watermarking scheme in wavelet transform domain, which is sensitive to all kinds of manipulations and has the ability to localize the tampered regions. To achieve high transparency (i.e., low embedding distortion) while providing protection to all coefficients, the embedder involves all the coefficients within a hierarchical neighborhood of each sparsely...
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This paper proposes a wavelet-based fragile watermarking scheme for secure image authentication. In the proposed scheme, the embedded watermark is generated using the discrete wavelet transform (DWT), and then the improved security watermark by scrambling encryption is embedded into the least significant bit (LSB) of the host image. The proposed algorithm not only possesses excellent tamper loc...
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ژورنال
عنوان ژورنال: Journal of Electronic Imaging
سال: 2007
ISSN: 1017-9909
DOI: 10.1117/1.2712445