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A contrast-sensitive visible watermarking scheme

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2 Author(s)
Biao-Bing Huang ; Central South Univ., China ; Shao-Xian Tang

The authors use a visible watermarking algorithm for digital rights management that computes composite coefficients using global and local characteristics of the host and watermark images. They also use a contrast-sensitive function and block classification in the discrete wavelet transform domain for a better visual effect. The original and watermark images are divided into different blocks and classified based on visual masking. Experiments indicate that this approach provides a better visual effect than other schemes.

Published in:

MultiMedia, IEEE  (Volume:13 ,  Issue: 2 )

Date of Publication:

April-June 2006

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