Digital image watermarking on triange grid of feature points
A.V. Verichev, V.A. Fedoseev

Image Processing Systems Institute, Russian Academy of Sciences,
Samara State Aerospace University

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Full text of article: Russian language.

DOI: 10.18287/0134-2452-2014-38-3-555-563

Pages: 555-563.

Abstract:
The paper presents a digital watermarking scheme robust to geometric distortions of an image. The proposed scheme is based on Delaunay tessellation built on a set of feature points. Various feature points extraction methods are outlined and the best one for the watermarking scheme is chosen. Embedding and extracting algorithms are presented, emphasize being on the procedures of perceptual masking of the embedded watermark according to the human visual system. Numerical experiments are performed to demonstrate robustness of the proposed watermarking scheme to a wide range of geometric distortions.

Key words:
digital watermarking, robust watermarking, geometric distortions, Delaunay triangulation, feature points, Harris detector, SIFT.

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