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Copyright Protection of Digital Artwork Image based on Robust Watermarking Technique | ||
| Iraqi Journal of Information Technology | ||
| Article 1, Volume 7, Issue 4, 2017, Pages 164-179 | ||
| Author | ||
| Methaq T. Gaata | ||
| Abstract | ||
| In this paper, a robust watermarking technique based on frequency domain has been proposed as a way to guarantee the copyright protection of digital art images. The main idea is based on generate the QR code as a watermark information from the host art image and then embed the generated QR code into same digital art image. The specific frequency DCT coefficients have been selected in carefully in order to embed the watermark information with less distortion as possible. The QR code can be extracted from watermarked art image without need to original art image. The art image is transformed from RGB color space into YCbCr space in order to achieve the optimal trade-off between imperceptibility and robustness. Experimental results show the proposed technique is robust against several of common attacks, including median filter, erosion operation, and JPEG compression. | ||
| Keywords | ||
| Digital watermarking; Digital art images; Copyright Protection | ||
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