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Robustness of a Blind Image Watermark Detector Designed by Orthogonal Projection
Jin, Cong (Huazhong University of Science and Technology (Wuhan, Xina). Institute for Pattern Recognition and Artificial Intelligence)
Peng, Jiaxiong (Huazhong University of Science and Technology (Wuhan, Xina). Institute for Pattern Recognition and Artificial Intelligence)

Data: 2004
Resum: Blind digital watermarking, which can detect watermark without using the original image, is a key technique practical intellectual property protecting systems and concealment correspondence systems. In this paper, we discussed a blind detection method for the digital image watermark. The theories research show that the orthogonal projection sequence of a digital image is one-to-one correspondence with this digital image. To make use of this conclusion, we designed and realized a kind of blind watermark detector with the good performance. To calculate the correlation value between the image and watermark, the intensity information of digital image is not adopted, but the orthogonal projection sequence of this image is adopted. Experiment results show that this watermark detector not only to have very strong resistant ability to translation and rotation attacks, but also to have the good robustness to Gaussian noise. Performance of this watermark detector is better than general detector designed by making use of the intensity information directly. The conclusions obtained by experiments are useful to the research in the future.
Drets: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. Creative Commons
Llengua: Anglès
Document: Article ; recerca ; Versió publicada
Matèria: Digital Watermark ; Image Projective Sequence ; Robust Detection ; Marca d'aigua digital ; Seqüència projectiva d'imatge ; Forta detecció ; Marca de agua digital ; Secuencia proyectiva de imagen ; Fuerte detección
Publicat a: ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 4 n. 1 (2004) p. 11-20, ISSN 1577-5097

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DOI: 10.5565/rev/elcvia.69

10 p, 133.8 KB

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