A new approach of nonblind watermarking methods based on DWT and SVD via LU decomposition

O Jane, E Elbaşi - Turkish Journal of Electrical Engineering …, 2014 - journals.tubitak.gov.tr
Multimedia security has been the focal point of considerable research activity in the last
decade, mainly because of its wide application area. Watermarking, in particular, is …

A contextual based double watermarking of PET images by patient ID and ECG signal

MS Nambakhsh, A Ahmadian, H Zaidi - Computer methods and programs …, 2011 - Elsevier
This paper presents a novel digital watermarking framework using electrocardiograph (ECG)
and demographic text data as double watermarks. It protects patient medical information and …

Improved SVD-DWT based digital image watermarking against watermark ambiguity

E Yavuz, Z Telatar - Proceedings of the 2007 ACM symposium on …, 2007 - dl.acm.org
Singular Value Decomposition (SVD) has been used as a valuable transform technique for
robust digital watermarking. This arises from the fact that, changing singular values (SV) of …

A semi-fragile, inner-outer block-based watermarking method using scrambling and frequency domain algorithms

A Senol, E Elbasi, AE Topcu, N Mostafa - Electronics, 2023 - mdpi.com
Image watermarking is most often used to prove that an image belongs to someone and to
make sure that the image is the same as was originally produced. The type of watermarking …

A review on digital image watermarking with cryptosystem techniques

MKA Razak, K Abdullah… - 2021 IEEE 11th IEEE …, 2021 - ieeexplore.ieee.org
Digital technology is swiftly getting more advanced as time passes. At the same time, image
transfer also becomes more commonplace. An image may contain confidential data or is …

[PDF][PDF] A contourlet-based image watermarking scheme with high resistance to removal and geometrical attacks

S Khalighi, P Tirdad, HR Rabiee - EURASIP Journal on Advances in …, 2010 - Springer
We propose a new nonblind multiresolution watermarking method for still images based on
the contourlet transform (CT). In our approach, the watermark is a grayscale image which is …

Dual protection of JPEG images based on informed embedding and two-stage watermark extraction techniques

WN Lie, GS Lin, SL Cheng - IEEE Transactions on Information …, 2006 - ieeexplore.ieee.org
In this paper, the authors propose a watermarking scheme that embeds both image-
dependent and fixed-part marks for dual protection (content authentication and copyright …

Secure data aggregation in wireless multimedia sensor networks via watermarking

E Elbaşı, Ö Suat - 2012 6th International Conference on …, 2012 - ieeexplore.ieee.org
Wireless Multimedia Sensor Networks (WMSNs) consist of sensor nodes that have multiple
sensing units. Unlike traditional wireless sensor networks, WMSNs are used to collect …

[PDF][PDF] An Efficient Non-blind Watermarking Scheme for Color Images using Discrete Wavelet Transformation”

NV Dharwadkar, BB Amberker - International Journal of Computer …, 2010 - Citeseer
In this paper we present a new invisible robust non blind watermarking scheme. The
proposed scheme embeds the monochrome (logo) watermark into the high and middle {HL …

A secure and robust watermarking algorithm based on the combination of DWT, SVD, and LU decomposition with Arnold's Cat Map approach

O Jane, HG İlk, E Elbaşı - 2013 8th International Conference on …, 2013 - ieeexplore.ieee.org
Watermarking, in particular, is identified as a major technology to achieve copyright
protection and multimedia security. In this study, combination of Discrete Wavelet Transform …