In this paper, we present the privacy of the data protection during the transmission through a network based on stego analysis. The given text data is to be embedded on the image and audio should be encrypted. The data is divided into two parts and one part of data is stored in image and another part of data in the audio. The encryption of the data is done by Chaos Encryption method. Image wate...

Digital watermarking technology plays an important role in the areas of copyright protection and identity tracing for owners of digital mediums. At present, the security of the watermarking scheme is facing a great threat. However, the existing Zero knowledge-based watermark detection scheme (ZKWD) are still facing some challenging problems, such as ambiguity attacks. In this paper, a public ZK...

Digital watermarking is a technique of hiding specific identification data for copyright authentication. Most of the medical images are compressed by joint photographic experts group (JPEG) standard for storage. The watermarking is adapted here for interleaving patient information with medical images during JPEG compression, to reduce storage and transmission overheads. The text data is encrypt...

– In this paper we present a wavelet–based watermarking technique, which is applied on scanned texts. The watermark subjected to a pre–processing is embedded in the detail subband coefficients of the original image. Experimental results show that this method does not cause perceptual differences between the original and the watermarked image. Furthermore the watermark proves to be robust, since...

In this paper, we review recent developments in transparent data embedding and watermarking for audio, image, and video. Data-embedding and watermarking algorithms embed text, binary streams, audio, image, or video in a host audio, image, or video signal. The embedded data are perceptually inaudible or invisible to maintain the quality of the source data. The embedded data can add features to t...

Watermarking is a branch of data hiding, it embeds data in digital media without perceptible interference to the original quality, mainly to protect the intellectual property rights and protect digital media from tampering. In this research paper an adaptive audio watermarking is proposed based on the low and high wavelet frequencies band (LF, HF). The embedded watermark can be of any types of ...

Watermarking is the process that embeds data called a watermark, tag or label into a multimedia object, such as images, video or text for their copyright protection. According to human perception, the digital watermarks can either be visible or invisible. A visible watermark is a secondary translucent image overlaid into the primary image and appears visible to a viewer on a careful inspection....

This paper presents a new spread-spectrum based secure multiple watermarking scheme on medical images in wavelet transform domain by using selective discrete wavelet transform (DWT) coefficients for embedding. The proposed algorithm is applied for embedding text watermarks like patient identification/source identification represented in binary arrays using ASCII code and doctor’s signature or t...

Digital Multimedia contents like text, image, audio and video are widely used and are very easy to transmit over the Internet, and hence the copyright protection has been receiving and increasing attention these days. Other than copyright protection Digital Watermarking is now used for Digital Marketing and promotional Services. A Static Promotional media is now can be made highly productive Dy...

Digital watermarking system is a paramount for safeguarding valuable resources and information. Digital watermarks are generally imperceptible to the human eye and ear. Digital watermark can be used in video, audio and digital images for a wide variety of applications such as copy prevention right management, authentication and filtering of internet content. The proposed system is able to prote...