watermarking implant information into a digital signal like audio, Picture, or video. Reversible Picture watermarking can bring back the original picture without any distortion after the hidden data is extracted. In this paper, we present a novel reversible watermarking scheme using an interpolation procedure, which can embed a large amount of covert data into Pictures with imperceptible modifi...

This paper proposed a robust public-key watermarking algorithm based on contourlet transform and its application in coal mining information construction combining the practice. A solution scheme combining the robust watermarking technology and Hash algorithm was proposed to meet the robustness and security requirements of the Electric Equipment Operation Tickets (EEOT). The scheme used the cert...

Blind spread-spectrum watermarking schemes with correlation based detection algorithms suffer significantly from host signal interference. Improvements are possible when considering the host signal as side-information to the watermark encoder. Costa showed that, in a specific case, host signal interference can be avoided completely. The scalar Costa scheme, which operates on structured codebook...

Kernel Fisher discriminant for steganalysis of JPEG hiding methods p. 13 On estimation of secret message length in LSB steganography in spatial domain p. 23 Steganalysis using color wavelet statistics and one-class support vector machines p. 35 Steganalysis using modified pixel comparison and complexity measure p. 46 Performance evaluation of blind steganalysis classifiers p. 58 Searching for t...

Information theoretic methods of calculating the capacity of data hiding schemes allow for objective comparisons of watermarking algorithms. This paper applies these methods to the case of colour image watermarking, using a dual tree complex wavelet transform and non redundant complex wavelet transform along with a spread transform data hiding algorithm to compare levels of capacity between the...

Embedding a hidden stream of bits in a file is called Digital Watermarking. The file could be an image, audio, video or text. Nowadays, digital watermarking has many applications such as broadcast monitoring, owner identification, proof of ownership, transaction tracking, content authentication, copy control, device control, and file reconstruction (Cox et. al., 2008). In literature, the host f...

One of the main goals of watermarking is to optimize capacity while preserving high video fidelity. This paper describes a watermarking scheme based on the spread spectrum paradigm with capacity enhancement using a state-of-the-art error correction technique – duo-binary turbo coding. A new watermark composition with novel bit-wise watermark bits interleaving scheme and bit-rate control on the ...

A digital watermark is a used for identification of embedded data in a noise tolerant signal such as image data. It is used to identify ownership of the data. "Watermarking" is the process of hiding digital information in a carrier signal. Embedding a digital signal is called as watermarking. Robust Watermark is well suited for copyright protection because they stay intact with image ...

Digital watermarking in medical images can ensure the authenticity and integrity of the image. This design paper reviews some existing watermarking schemes and proposes a reversible tamper detection and recovery watermarking scheme. Watermark data from ROI (Region Of Interest) are stored in RONI (Region Of Non Interest). The embedded watermark allows tampering detection and tampered image recov...