STM Journals Peer-reviewed research from Consortium e-Learning Network

2 publications

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    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

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    Robust Color Image Watermarking using Biometric Protection and Image Authentication Key

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

    Abstract: In recent days, it becomes difficult to provide protection to color images which were captured by modern capturing devices. This paper presents a novel work on copyright protection by providing authentication process for extraction of watermark of color still images. New blind frequency domain non-correlation based watermarking algorithm using one dimensional Walsh coding technique is introduced to improve the robustness. The developed algorithms do not required the original image for …

    Published in Current Trends in Signal Processing · Vol. 5, Issue 2, 2015 · pp. 15–23 Read article

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