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    Geometrically invariant watermarking using affine covariant regions

    Deng, C. and Gao, X. and Tao, D. and Li, Xuelong (2008) Geometrically invariant watermarking using affine covariant regions. In: UNSPECIFIED (ed.) International Conference on Image Processing. New York, USA: Institute of Electrical and Electronics Engineers, pp. 413-416. ISBN 9781424417650.

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    Abstract

    In this paper, we present a robust approach to digital watermarking embedding and retrieval for digital images. The affine-invariant point detector is used to extract feature regions of the given host image. Image normalization and dominant gradient orientation alignment are applied to these feature regions to achieve scaling and rotation invariance. Thereafter, watermarks are embedded in these feature regions. The advantage of this proposed approach is demonstrated by a large amount of experiments, which can against different attacks, such as common image processing, rotation, scaling, cropping, and several other affine transformations.

    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 09:35
    Last Modified: 11 Oct 2016 15:27
    URI: https://eprints.bbk.ac.uk/id/eprint/7667

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