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 …

Digital image watermarking is frequently used for many purposes, such as image
authentication, fingerprinting, copyright protection, and tamper proofing. Imperceptibility and …

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 …

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 …

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 …

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 …

As telecommunication and computer technologies proliferate, most data are stored and
transferred in digital format. Content owners, therefore, are searching for new technologies …

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 …

Image watermarking is of interesting in the multimedia and information security research
fields. This paper presents an improved discrete cosine transform (DCT)-based image …

Рассмотрены особенности применения дискретного преобразования Адамара для
маркирования цифровых изображений. Исследована устойчивость алгоритма …