Non blind digital watermarking technique using DCT and Cross chaos map

Pradhan, Chittaranjan; Saxena, Vilakshan; Bisoi, Ajay Kumar

doi:10.1109/codis.2012.6422191

Cited by 23 publications

(15 citation statements)

References 7 publications

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“…All of these watermarks are encrypted before embedding by number of iterations less than the Arnold Period as illustrated in Section 3.2. For 32 × 32 watermark image or video frames the Arnold Period is equal to 48 [11], so we can encrypt them by a number of iterations such as N = 20.…”

Section: Simulation Resultsmentioning

confidence: 99%

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Video Multiple Watermarking Technique Based on Image Interlacing Using DWT

Ibrahim

Kader

Zorkany

2014

The Scientific World Journal

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Digital watermarking is one of the important techniques to secure digital media files in the domains of data authentication and copyright protection. In the nonblind watermarking systems, the need of the original host file in the watermark recovery operation makes an overhead over the system resources, doubles memory capacity, and doubles communications bandwidth. In this paper, a robust video multiple watermarking technique is proposed to solve this problem. This technique is based on image interlacing. In this technique, three-level discrete wavelet transform (DWT) is used as a watermark embedding/extracting domain, Arnold transform is used as a watermark encryption/decryption method, and different types of media (gray image, color image, and video) are used as watermarks. The robustness of this technique is tested by applying different types of attacks such as: geometric, noising, format-compression, and image-processing attacks. The simulation results show the effectiveness and good performance of the proposed technique in saving system resources, memory capacity, and communications bandwidth.

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Section: Simulation Resultsmentioning

confidence: 99%

“…Arnold Transform is one of the popular image/video frame encryption methods [4, 11]. In this transform, which is a periodic transform, the original organization of the image/video frame pixels is randomized, and after a number of iterations called Arnold's period the image/video frame is returned to its original state.…”

Section: The Based Techniquesmentioning

confidence: 99%

Video Multiple Watermarking Technique Based on Image Interlacing Using DWT

Ibrahim

Kader

Zorkany

2014

The Scientific World Journal

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“…Another scheme which makes use of the visual cryptography, transform domain, chaos, noise reduction and error correcting code techniques is given in [26]. A non-blind DCT, cross-chaos and Arnold map based watermarking method is presented in [27]. The robustness of this method is evaluated against JPEQ, scaling and white Gaussian noise attacks.…”

Section: Introductionmentioning

confidence: 99%

Robust Chaotic Digital Image Watermarking Scheme based on RDWT and SVD

Çetinel

Çerkezi²

2016

IJIGSP

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Abstract-In recent years chaos has received a great deal of attention from the researches specialized in communications, signal and image processing. The complexity property of the chaotic signal raised the idea of using such signals in secure communications. Digital image watermarking is a technique mainly developed for copyright protection and image authentication and it can be considered as one application area of the secure communication. In this study, a chaos based digital image watermarking algorithm based on redundant discrete wavelet transform (RDWT) and singular value decomposition (SVD) is proposed. To the best of our knowledge, there do not exist any digital watermarking scheme combining RDWT, SVD and chaos. Robustness and invisibility of the proposed method are improved by using the logistic mapping function to generate a chaotic image matrix serving as the watermark that is used to modify the singular values of the low frequency sub-band of the cover image obtained by applying RDWT. The method is shown to be robust against both the geometrical and image processing attacks and to provide better watermark concealment via computer simulations. Using a chaotic signal as the watermark allows the proposed scheme to meet the security requirements as well.

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“…In our paper we have focused on the digital image watermarking. Digital image watermarking can be possible in both spatial and transform domain, where the transforms used are Discrete Fourier Transform [1], Discrete Cosine Transform [2], Discrete Wavelet Transform [3], Discrete Fast Walsh Hadamard Transform.Digital Watermark can be visible and invisible watermark. In case of visible watermark the watermark is visible to normal eye such as company logo ,TV channel icon, but for invisible watermark the watermark is not visible to normal eye.…”

Section: Introductionmentioning

confidence: 99%

Design of a Low Complexity and Fast Hardware Architecture for Digital Image Watermarking in FWHT Domain on FPGA

Ghosh

Biswas

Maity

et al. 2014

2014 Fifth International Symposium on Electronic System Design

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This paper focuses on the design of an improved Discrete Fast Walsh Hadamard Transform (DFWHT) domain digital image watermarking algorithm and its low complexity as well as fast hardware architecture implementation on Xilinx based (version 14.7 Virtex-7 series) FPGA with target device xc7vx1140t-1flg1930, with maximum achieved frequency of 259.202 MHz. The architecture proposed here is to our best knowledge is the first architecture for the corresponding algorithm. Both encoding and extraction algorithm have been verified using MATLAB R2013a. Both grayscale and binary watermarks are used and only grayscale cover image of maximum size (256 x 256) is used. The algorithm and the architecture is applicable for both gray scale and binary watermarks.

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Non blind digital watermarking technique using DCT and Cross chaos map

Cited by 23 publications

References 7 publications

Video Multiple Watermarking Technique Based on Image Interlacing Using DWT

Video Multiple Watermarking Technique Based on Image Interlacing Using DWT

Robust Chaotic Digital Image Watermarking Scheme based on RDWT and SVD

Design of a Low Complexity and Fast Hardware Architecture for Digital Image Watermarking in FWHT Domain on FPGA

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