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• Published Subscription 15 Jan 2021

  Embedding Dual Watermark in the G-Channel Image Using DCT and 2-D Walsh Code

  By B. P. Mishra, H. N. Pratihari, P. Das

  Abstract: This paper uses two dimensional Walsh coding for blind twofold watermarking algorithm which mixes robust copyright watermark and authentication information into various color images to maintain the copyright ownership of the host images. First watermark i.e. fingerprint image is embedded in the DCT low frequency coefficients of the G-channel image of host image where as the second watermark i.e. mobile phone number is embedded in the DCT block of G-channel …

  Published in Current Trends in Signal Processing · Vol. 5, Issue 2, 2015 · pp. 27–34 Read article →