Logarithmic STDM watermarking using visual saliency‐based JND model | Zendy

Wan Wenbo | Zendy; Liu Ju | Zendy; Sun Jiande | Zendy; Ge Chuan | Zendy; Nie Xiushan | Zendy

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Logarithmic STDM watermarking using visual saliency‐based JND model

Author(s) -

Wan Wenbo,

Liu Ju,

Sun Jiande,

Ge Chuan,

Nie Xiushan

Publication year - 2015

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2014.4329

Subject(s) - digital watermarking , logarithm , computer science , computer vision , artificial intelligence , computer graphics (images) , image (mathematics) , mathematics , mathematical analysis

Owing to the validity of measuring the visual visibility for image distortion, just noticeable distortion (JND) has been widely used in the quantisation‐based watermarking framework. However, the existing JND model treats every region in the image with an equal attention level. Visual saliency, which reflects the visual attention, is proposed to improve the perceptual JND model. Based on the improved model, a logarithmic spread transform dither modulation (STDM) watermarking scheme is proposed. Simulations show that the proposed watermarking scheme with the improved JND model has superior robustness compared with existing STDM schemes.

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