English
Related papers

Related papers: A DCT And SVD based Watermarking Technique To Iden…

200 papers

In this paper a new approach to image watermarking in wavelet domain is presented. The idea is to hide the watermark data in blocks of the block segmented image. Two schemes are presented based on this idea by embedding the watermark data…

Information Theory · Computer Science 2010-01-05 Hamed Dehghan , S. Ebrahim Safavi

With the significant advances in deep generative models for image and video synthesis, Deepfakes and manipulated media have raised severe societal concerns. Conventional machine learning classifiers for deepfake detection often fail to cope…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Aakash Varma Nadimpalli , Ajita Rattani

We revisit watermarking techniques based on pre-trained deep networks, in the light of self-supervised approaches. We present a way to embed both marks and binary messages into their latent spaces, leveraging data augmentation at marking…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Pierre Fernandez , Alexandre Sablayrolles , Teddy Furon , Hervé Jégou , Matthijs Douze

This paper presents the performance of different blockbased discrete cosine transform (DCT) algorithms for compressing color image. In this RGB component of color image are converted to YCbCr before DCT transform is applied. Y is luminance…

Computer Vision and Pattern Recognition · Computer Science 2012-08-16 Walaa M. Abd-Elhafiez , Wajeb Gharibi

In this paper a blind, Secure, imperceptible and robust watermarking algorithm based on wavelet transform domain is proposed in which for more security, the watermark W is converted to a sequence and then a random binary sequence R of size…

Cryptography and Security · Computer Science 2012-06-21 Mehdi Khalili , David Asatryan

A novel diverse domain (DCT-SVD & DWT-SVD) watermarking scheme is proposed in this paper. Here, the watermark is embedded simultaneously onto the two domains. It is shown that an audio signal watermarked using this scheme has better…

Multimedia · Computer Science 2017-07-07 Jerrin Thomas Panachakel , Anurenjan P. R

Digital media can be distributed via Internet easily, so, media owners are eagerly seeking methods to protect their rights. A typical solution is digital watermarking for copyright protection. In this paper, we propose a novel contourlet…

Image and Video Processing · Electrical Eng. & Systems 2018-01-23 Maryam Amirmazlaghani

Growth of the Internet and networked multimedia systems has emphasized the need for copyright protection of the media. Media can be images, audio clips, videos and etc. Digital watermarking is today extensively used for many applications…

Multimedia · Computer Science 2018-03-14 Amin Banitalebi , Said Nader-Esfahani , Alireza Nasiri Avanaki

The advent of the Internet led to the easy availability of digital data like images, audio, and video. Easy access to multimedia gives rise to the issues such as content authentication, security, copyright protection, and ownership…

Multimedia · Computer Science 2022-07-15 Shweta Wadhera , Deepa Kamra , Ankit Rajpal , Aruna Jain , Vishal Jain

The expansion of the open source community and the rise of large language models have raised ethical and security concerns on the distribution of source code, such as misconduct on copyrighted code, distributions without proper licenses, or…

Cryptography and Security · Computer Science 2024-01-03 Borui Yang , Wei Li , Liyao Xiang , Bo Li

Digital watermarking is the act of hiding information in multimedia data, for the purposes of content protection or authentication. In ordinary digital watermarking, the secret information is embedded into the multimedia data (cover data)…

Cryptography and Security · Computer Science 2014-10-14 Tanmoy Sarkar , Sugata Sanyal

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

With the wide spread of video, video watermarking has become increasingly crucial for copyright protection and content authentication. However, video watermarking still faces numerous challenges. For example, existing methods typically have…

Cryptography and Security · Computer Science 2025-09-23 Jianbin Ji , Dawen Xu , Li Dong , Lin Yang , Songhan He

The current work is focusing on the implementation of a robust watermarking algorithm for digital images, which is based on an innovative spread spectrum analysis algorithm for watermark embedding and on a content-based image retrieval…

Data Structures and Algorithms · Computer Science 2009-09-29 Dimitrios K. Tsolis , Spyros Sioutas , Theodore S. Papatheodorou

This work provides to web users copyright protection of their Portable Document Format (PDF) documents by proposing efficient and easily implementable techniques for PDF watermarking; our techniques are based on the ideas of our recently…

Multimedia · Computer Science 2015-01-13 Maria Chroni , Stavros D. Nikolopoulos

Watermarking is a crucial tool for safeguarding copyrights and can serve as a more aesthetically pleasing alternative to QR codes. In recent years, watermarking methods based on deep learning have proved superior robustness against complex…

Multimedia · Computer Science 2023-08-24 Zhe Lei , Jie Zhang , Jingtao Li , Weiming Zhang , Nenghai Yu

In this paper, a new reversible image authentication technique with tamper localization based on watermarking in integer wavelet transform is proposed. If the image authenticity is verified, then the distortion due to embedding the…

Cryptography and Security · Computer Science 2009-12-04 P. Meenakshi Devi , M. Venkatesan , K. Duraiswamy

As large language models (LLMs) grow more powerful, concerns over copyright infringement of LLM-generated texts have intensified. LLM watermarking has been proposed to trace unauthorized redistribution or resale of generated content by…

Cryptography and Security · Computer Science 2025-08-05 Qihao Lin , Chen Tang , Lan zhang , Junyang zhang , Xiangyang Li

Digital watermark is a commonly used technique to protect the copyright of medias. Simultaneously, to increase the robustness of watermark, attacking technique, such as watermark removal, also gets the attention from the community. Previous…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Xiaodong Cun , Chi-Man Pun

Watermarking algorithms needs properties of robustness and perceptibility. But these properties are affected by different -2 types of attacks performed on watermarked images. The goal of performing attacks is destroy the information of…

Cryptography and Security · Computer Science 2015-12-08 Lalit Kumar Saini , Vishal Shrivastava
‹ Prev 1 3 4 5 6 7 10 Next ›