A prediction based reversible image watermarking in Hadamard domain
Z Pakdaman, S Saryazdi… - Multimedia Tools and …, 2017 - Springer
Reversible watermarking is a special kind of the lossless data hiding techniques which
allows lossless recovering of both the watermark and the host image. In this paper, a new …
allows lossless recovering of both the watermark and the host image. In this paper, a new …
An image watermarking scheme based on FWHT-DCT
A Marjuni, R Logeswaran… - … conference on networking …, 2010 - ieeexplore.ieee.org
Digital image watermarking is frequently used for many purposes, such as image
authentication, fingerprinting, copyright protection, and tamper proofing. Imperceptibility and …
authentication, fingerprinting, copyright protection, and tamper proofing. Imperceptibility and …
Copper telluride as a nobel BSF material for high performance ultra thin CdTe PV cell
MA Matin, MU Tomal, AM Robin - … International Conference on …, 2013 - ieeexplore.ieee.org
Thin-film CdTe is one of the leading materials for high efficiency, low-cost and stable PV
cells. The formation of a stable, low resistance, non-rectifying back contact to p-CdTe thin …
cells. The formation of a stable, low resistance, non-rectifying back contact to p-CdTe thin …
[PDF][PDF] An efficient image watermarking scheme using BFS technique based on hadamard transform
MIH Sarker, MI Khan - SmartCR, 2013 - researchgate.net
Digital watermarking is a modern technology evolved to prevent illegal copy or reproduction
of digital content. In recent years, several digital watermarking techniques have been …
of digital content. In recent years, several digital watermarking techniques have been …
An improved blind watermarking method in frequency domain for image authentication
MIH Sarker, MI Khan - 2013 International Conference on …, 2013 - ieeexplore.ieee.org
Digital watermarking has been widely used for copyright protection for multimedia data. This
paper proposes a new watermarking method of image for copyright protection based on …
paper proposes a new watermarking method of image for copyright protection based on …
Blind digital image watermarking for copyright protection based on Hadamard transform
The reason behind the extension of digitized media is a speedy augmentation of multimedia
data transaction over the Internet. For this reason, there arises the need for copyright …
data transaction over the Internet. For this reason, there arises the need for copyright …
[PDF][PDF] Block size analysis for discrete wavelet watermarking and embedding a vector image as a watermark.
As telecommunication and computer technologies proliferate, most data are stored and
transferred in digital format. Content owners, therefore, are searching for new technologies …
transferred in digital format. Content owners, therefore, are searching for new technologies …
[PDF][PDF] A novel blind digital watermarking technique for stegano-encrypting information using nine-AC-coefficient prediction algorithm with an innovative security …
CE Moucary, BE Hassan - WSEAS Transactions on Signal Processing, 2009 - wseas.us
This paper presents a new methodology for data hiding using digital watermarking in the
DCT Domain. The methodology relies on a new scheme for encrypting the data prior to the …
DCT Domain. The methodology relies on a new scheme for encrypting the data prior to the …
[PDF][PDF] An improved DCT-based image watermarking scheme using fast Walsh Hadamard transform
Image watermarking is of interesting in the multimedia and information security research
fields. This paper presents an improved discrete cosine transform (DCT)-based image …
fields. This paper presents an improved discrete cosine transform (DCT)-based image …
Эффективность алгоритмов маркирования цифровых изображений в частотной области на основе дискретного преобразования Адамара
БВ Александрович, АЮ Тропченко - Известия высших учебных …, 2014 - cyberleninka.ru
Рассмотрены особенности применения дискретного преобразования Адамара для
маркирования цифровых изображений. Исследована устойчивость алгоритма …
маркирования цифровых изображений. Исследована устойчивость алгоритма …