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A novel blind image watermarking technique for colour RGB images in the DCT domain using green channel

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4 Author(s)
A. Al-Gindy ; Faculty of Engineering, Ajman University of Science and Technology, UAE ; H. Al-Ahmad ; R. Qahwaji ; A. Tawfik

This paper presents a new algorithm for colour digital image watermarking. The 24 bits/pixel RGB images are used and the watermark is placed on the green channel of the RGB image. The green channel is chosen after an analytical investigation process was carried out using some popular measurement metrics. The analysis and embedding processes have been carried out using the discrete cosine transform DCT. The new watermarking method has shown to be resistant to JPEG compression, cropping, scaling, low-pass, median and removal attack. This algorithm produces more than 65 dB of average PSNR.

Published in:

Communications, Computers and Applications, 2008. MIC-CCA 2008. Mosharaka International Conference on

Date of Conference:

8-10 Aug. 2008