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The current paper presents a robust watermarking method for still images, which uses the similarity of discrete wavelet transform and human visual system (HVS). The proposed scheme makes the use of pixel wise masking in order to make binary…

Cryptography and Security · Computer Science 2012-07-12 V. H. Mankar , T. S. Das , S. Saha , S. K. Sarkar

In this work, we address the liability issues that may arise due to unauthorized sharing of personal data. We consider a scenario in which an individual shares his sequential data (such as genomic data or location patterns) with several…

Cryptography and Security · Computer Science 2017-08-21 Arif Yilmaz , Erman Ayday

Large language models (LLMs) have gained significant popularity in recent years. Differentiating between a text written by a human and one generated by an LLM has become almost impossible. Information-hiding techniques such as digital…

Cryptography and Security · Computer Science 2025-08-22 Malte Hellmeier , Hendrik Norkowski , Ernst-Christoph Schrewe , Haydar Qarawlus , Falk Howar

An adaptive visible/invisible watermarking scheme is done to prevent the privacy and preserving copyright protection of digital data using Hadamard transform based on the scaling factor of the image. The value of scaling factor depends on…

Multimedia · Computer Science 2014-05-14 Parvathavarthini S. , Shanthakumari R

Digital media is the need of a people now a day as the alternate of paper media.As the technology grown up digital media required protection while transferring through internet or others mediums.Watermarking techniques have been developed…

Multimedia · Computer Science 2014-07-18 Lalit Kumar Saini , Vishal Shrivastava

In this paper, we propose a novel algorithm to rectify illumination of the digitized documents by eliminating shading artifacts. Firstly, a topographic surface of an input digitized document is created using luminance value of each pixel.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Seungjun Jung , Muhammad Abul Hasan , Changick Kim

This paper introduces the use of decimal sequences in a code division multiple access (CDMA) based watermarking system to hide information for authentication in black and white images. Matlab version 6.5 was used to implement the algorithms…

Cryptography and Security · Computer Science 2007-05-23 Navneet Mandhani , Subhash Kak

Watermarking is an important copyright protection technology which generally embeds the identity information into the carrier imperceptibly. Then the identity can be extracted to prove the copyright from the watermarked carrier even after…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Sulong Ge , Zhihua Xia , Jianwei Fei , Xingming Sun , Jian Weng

In recent times, communication through the internet has tremendously facilitated the distribution of multimedia data. Although this is indubitably a boon, one of its repercussions is that it has also given impetus to the notorious issue of…

Cryptography and Security · Computer Science 2020-09-08 Aman Chadha , Sandeep Gangundi , Rishabh Goel , Hiren Dave , M. Mani Roja

Watermarking inserts invisible data into content to protect copyright. The embedded information provides proof of authorship and facilitates tracking illegal distribution, etc. Current robust watermarking techniques have been proposed to…

Multimedia · Computer Science 2018-05-17 Wook-Hyung Kim , Seung-Hun Nam , Ji-Hyeon Kang , Heung-Kyu Lee

With the increasing use of the internet and the ease of exchange of multimedia content, the protection of ownership rights has become a significant concern. Watermarking is an efficient means for this purpose. In many applications,…

Multimedia · Computer Science 2020-05-13 Mohsen Hajabdolahi , Nader Karimi , Shahram Shirani , Shadrokh Samavi

Digital water marking is one of the essential fields in image security and copyright protection. The proposed technique in this paper was based on the principle of protecting images by hide an invisible watermark in the image. The technique…

Computer Vision and Pattern Recognition · Computer Science 2013-07-05 Firas A. Jassim

Diffusion models (DMs) have demonstrated advantageous potential on generative tasks. Widespread interest exists in incorporating DMs into downstream applications, such as producing or editing photorealistic images. However, practical…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Yunqing Zhao , Tianyu Pang , Chao Du , Xiao Yang , Ngai-Man Cheung , Min Lin

A novel video watermarking system operating in the three dimensional wavelet transform is here presented. Specifically the video sequence is partitioned into spatio temporal units and the single shots are projected onto the 3D wavelet…

Multimedia · Computer Science 2009-11-03 A. Essaouabi , F. Regragui , E. Ibnelhaj

Compression algorithms reduce the redundancy in data representation to decrease the storage required for that data. Data compression offers an attractive approach to reducing communication costs by using available bandwidth effectively.…

Performance · Computer Science 2007-05-23 B. S. Shajeemohan , Dr. V. K. Govindan

Natural language processing (NLP) technology has shown great commercial value in applications such as sentiment analysis. But NLP models are vulnerable to the threat of pirated redistribution, damaging the economic interests of model…

Cryptography and Security · Computer Science 2022-11-21 Long Dai , Jiarong Mao , Xuefeng Fan , Xiaoyi Zhou

Many image watermarking schemes have been proposed in recent years, but they usually involve embedding a watermark to the entire image without considering only a particular object in the image, which the image owner may be interested in.…

Graphics · Computer Science 2009-11-05 A. Essaouabi , E. Ibnelhaj , F. Fegragui

The huge supporting training data on the Internet has been a key factor in the success of deep learning models. However, this abundance of public-available data also raises concerns about the unauthorized exploitation of datasets for…

Cryptography and Security · Computer Science 2023-04-11 Ruixiang Tang , Qizhang Feng , Ninghao Liu , Fan Yang , Xia Hu

We introduce models and algorithmic foundations for graph watermarking. Our frameworks include security definitions and proofs, as well as characterizations when graph watermarking is algorithmically feasible, in spite of the fact that the…

Multimedia · Computer Science 2016-06-01 David Eppstein , Michael T. Goodrich , Jenny Lam , Nil Mamano , Michael Mitzenmacher , Manuel Torres

The Internet as a whole does not use secure links, thus information in transit may be vulnerable to interruption as well. The important of reducing a chance of the information being detected during the transmission is being an issue in the…

Multimedia · Computer Science 2012-05-15 Yusuf Perwej , Firoj Parwej , Asif Perwej