International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3
29 Wavelet-Based Digital Watermarking Algorithm
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The paper proposes a Wavelet-based watermarking algorithm where watermark information is embedded in the multilevel wavelet coefficients of the cover image. Data embedding in subbands through applying the proposed algorithm which provides a good performance between the transparency and the robustness of watermarks increases the security of watermark information hiding. Experimental results show watermark embedded by the proposed algorithm is effective and robust against common noise and image processing operation.