A Color Image Watermarking Algorithm

Abstract:

Transparency and robustness are two conflicting requirements demanded by digital image watermarking for copyright protection and many other purposes. In this paper, a robust and transparent watermarking scheme for color images is proposed. The color features for the human visual system are utilized to design the color watermarking algorithm. The basic idea is to embed the invisible watermark into the color image by brightness adjustment and feature component choice. And through analysis and constraint the conditions, we can obtain a high detection probability and security, a low false alarm probability. In the same time, because we use different matrix operation to embed (secret key) and extract (public key) a watermark, we are able to release all information for the public, except the secret key. Our method can extract the embedded watermark without reference image. The robustness of our method is demonstrated by various attacks through computer simulation.

• Periodical: Advanced Materials Research (Volumes 798-799)
• Pages: 733-736
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.798-799.733
• Online since: September 2013
• Authors: Xiu Hu Tan
• Keywords: Color Image, Digital Watermark, Robustness, Security

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