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    Invariant image watermarking based on local feature regions

    Deng, C. and Gao, X. and Li, Xuelong and Tao, D. (2008) Invariant image watermarking based on local feature regions. In: UNSPECIFIED (ed.) International Conference on Cyberworlds. New York, USA: Institute of Electrical and Electronics Engineers, pp. 6-10. ISBN 9780769533810.

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    Abstract

    In this paper, a robust image watermarking approach is presented based on image local invariant features. The affine invariant point detector is used to extract feature regions of the given host image. Image normalization and dominant gradient orientation alignment are performed to these feature regions. Thereafter, circular watermark pattern are embedded in these image normalized patches. After the above procedures, full affine invariance can be achieved over these normalized patches. A large amount of experiments demonstrate that the proposed approach is robust against different attacks, such as common image processing, rotation, scaling, cropping, and several other geometric distortions.

    Metadata

    Item Type: Book Section
    School: School of Business, Economics & Informatics > Computer Science and Information Systems
    Depositing User: Sarah Hall
    Date Deposited: 12 Jul 2013 09:17
    Last Modified: 11 Oct 2016 15:27
    URI: https://eprints.bbk.ac.uk/id/eprint/7665

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