Proceedings ArticleDOI
A Robust Watermarking Scheme using Best Tree Wavelet Packet Transform
Sanjay Rawat,Gaurav Bhatnagar,Balasubramanian Raman +2 more
- pp 883-887
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TLDR
A novel watermarking scheme based on Wavelet Packet Transform (WPT) with best tree is explored and it is demonstrated that the proposed scheme is robust against variety of attacks.Abstract:
In this paper a novel watermarking scheme based on Wavelet Packet Transform (WPT) with best tree is explored. The basic idea behind the proposed scheme is to decompose the preprocessed host image via wavelet packet transform and then find the best tree by entropy based algorithm. Watermark is embedded in all frequency bands of best tree. A reliable watermark extraction scheme is developed for the extraction of watermark from the distorted images. Experimental evaluations demonstrate that the proposed scheme is robust against variety of attacks.read more
Citations
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Book ChapterDOI
An Introduction to Robust Transform Based Image Watermarking Techniques
Xi Zhao,Anthony T. S. Ho +1 more
TL;DR: In this chapter, the fundamental concept of digital watermarking, differences between visible and invisible water marking, blind and non-blind watermark detection schemes, robust, fragile and semi-fragileWatermarking algorithms, as well as four important properties for digital waterMarking: imperceptibility, robustness, capacity and security will be described.
Proceedings ArticleDOI
A wavelet packet and fuzzy based digital image watermarking
R. Mothi,Madurakavi Karthikeyan +1 more
TL;DR: A new image watermarking technique has been adopted that can embed a specified watermark image in the cover image without affecting the imperceptibility and increase the security of watermarks.
Proceedings ArticleDOI
Image watermarking through joint spatial segmentation and wavelet packet frequency division
TL;DR: This paper presents a new direct structured decomposition, with both spatial segmentation and orthogonal frequency branching from each node, that is robust against variety of attacks and takes advantage of singular value decomposition characteristic.
Dissertation
Robust and Semi-fragile Watermarking Techniques for Image Content Protection
TL;DR: The proposed wavelet-based contourlet transform (WBCT) for robust watermarking is evaluated and compared with two other Discrete Wavelet Transform (DWT) based algorithms with results achieving high degree of robustness against most non-geometrical and geometrical attacks, while maintaining an excellent perceptual quality.
Proceedings ArticleDOI
Color image watermarking using wavelet packet transform
R. Mothi,Madurakavi Karthikeyan +1 more
TL;DR: A new image watermarking technique for digital media that can embed a specified watermark image in the cover image without affecting the imperceptibility and increase the security of watermarks is proposed.
References
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Journal ArticleDOI
Secure spread spectrum watermarking for multimedia
TL;DR: It is argued that insertion of a watermark under this regime makes the watermark robust to signal processing operations and common geometric transformations provided that the original image is available and that it can be successfully registered against the transformed watermarked image.
Journal ArticleDOI
Entropy-based algorithms for best basis selection
TL;DR: Adapted waveform analysis uses a library of orthonormal bases and an efficiency functional to match a basis to a given signal or family of signals, and relies heavily on the remarkable orthogonality properties of the new libraries.
Journal ArticleDOI
An SVD-based watermarking scheme for protecting rightful ownership
Ruizhen Liu,Tieniu Tan +1 more
TL;DR: A novel watermarking algorithm based on singular value decomposition (SVD) is proposed and results show that the newwatermarking method performs well in both security and robustness.
Journal ArticleDOI
A DCT-domain system for robust image watermarking
TL;DR: A new watermarking algorithm is presented: the method, which operates in the frequency domain, embeds a pseudo-random sequence of real numbers in a selected set of DCT coefficients, which is adapted to the image by exploiting the masking characteristics of the human visual system, thus ensuring the watermark invisibility.
Proceedings ArticleDOI
A multiresolution watermark for digital images
TL;DR: A new multiresolution watermarking method based on the discrete wavelet transform (DWT), where Pseudo-random codes are added to the large coefficients at the high and middle frequency bands of the DWT of an image.
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