English
Related papers

Related papers: Digital image watermarking using normal matrices

200 papers

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

With the growth of digital networks such as the Internet, digital media have been explosively developed in e-commerce and online services. This causes problems such as illegal copy and fake ownership. Watermarking is proposed as one of the…

Multimedia · Computer Science 2016-04-02 Malihe Mardanpour , Mohammad Ali Zare Chahooki

In this paper, we deal with the proof of ownership or legitimate usage of a digital content, such as an image, in order to tackle the illegitimate copy. The proposed scheme based on the combination of the watermark-ing and cancelable…

Cryptography and Security · Computer Science 2015-03-17 Morgan Barbier , Jean-Marie Le Bars , Christophe Rosenberger

This paper introduces a novel watermarking method for diffusion models. It is based on guiding the diffusion process using the gradient computed from any off-the-shelf watermark decoder. The gradient computation encompasses different image…

Cryptography and Security · Computer Science 2026-05-08 Enoal Gesny , Eva Giboulot , Teddy Furon , Vivien Chappelier

Telemedicine is well known application where enormous amount of medical data need to be transferred securely over network and manipulate effectively. Security of digital data, especially medical images, becomes important for many reasons…

Multimedia · Computer Science 2014-06-30 Nilesh Rathi , Ganga Holi

In view of the frequent multimedia data transfer authentication and protection of images has gained importance in todays world. In this paper we propose a new watermarking technique, based on bit plane, which enhances robustness and…

Cryptography and Security · Computer Science 2009-08-28 Sushma Kejgir , Manesh Kokare

Digital watermarking has been widely used to protect the copyright and integrity of multimedia data. Previous studies mainly focus on designing watermarking techniques that are robust to attacks of destroying the embedded watermarks.…

Cryptography and Security · Computer Science 2022-04-20 Ruowei Wang , Chenguo Lin , Qijun Zhao , Feiyu Zhu

Image watermarks have been considered a promising technique to help detect AI-generated content, which can be used to protect copyright or prevent fake image abuse. In this work, we present a black-box method for removing invisible image…

Image and Video Processing · Electrical Eng. & Systems 2025-07-03 Hengyue Liang , Taihui Li , Ju Sun

Although deep neural networks have made tremendous progress in the area of multimedia representation, training neural models requires a large amount of data and time. It is well-known that utilizing trained models as initial weights often…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Yuki Nagai , Yusuke Uchida , Shigeyuki Sakazawa , Shin'ichi Satoh

Due to the current progress in Internet, digital contents (video, audio and images) are widely used. Distribution of multimedia contents is now faster and it allows for easy unauthorized reproduction of information. Digital watermarking…

Cryptography and Security · Computer Science 2019-10-25 Mohamed Hamidi , Mohamed El Haziti , Hocine Cherifi , Driss Aboutajdine

Digital watermarking is a technique of information adding or information hiding in order to identify the owner of the data in multimedia content. It seems that a signal or digital image can permanently embed over another digital data…

Multimedia · Computer Science 2013-03-26 Arijit Kumar Pal , Poulami Das , Nilanjan Dey

Watermarking serves as a widely adopted approach to safeguard media copyright. In parallel, the research focus has extended to watermark removal techniques, offering an adversarial means to enhance watermark robustness and foster…

Multimedia · Computer Science 2023-08-23 Dongjian Huo , Zehong Zhang , Hanjing Su , Guanbin Li , Chaowei Fang , Qingyao Wu

Popular convolutional neural networks mainly use paired images in a supervised way for image watermark removal. However, watermarked images do not have reference images in the real world, which results in poor robustness of image watermark…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Chunwei Tian , Menghua Zheng , Tiancai Jiao , Wangmeng Zuo , Yanning Zhang , Chia-Wen Lin

Due to the wide distribution and usage of digital media, an important issue is protection of the digital content. There is a number of algorithms and techniques developed for the digital watermarking.In this paper, the invisible image…

Multimedia · Computer Science 2015-02-09 Jelena Music , Ivan Knezevic , Edis Franca

Digital contents have grown dramatically in recent years, leading to increased attention to copyright. Image watermarking has been considered one of the most popular methods for copyright protection. With the recent advancements in applying…

Multimedia · Computer Science 2021-05-25 Maedeh Jamali , Nader Karim , Pejman Khadivi , Shahram Shirani , Shadrokh Samavi

Integrated healthcare systems require the transmission of medical images between medical centers. The presence of watermarks in such images has become important for patient privacy protection. However, some important issues should be…

Cryptography and Security · Computer Science 2021-10-19 Ahmed Nagm , Mohammed Safy

Underwater images suffer from light refraction and absorption, which impairs visibility and interferes the subsequent applications. Existing underwater image enhancement methods mainly focus on image quality improvement, ignoring the effect…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Zengxi Zhang , Zhiying Jiang , Jinyuan Liu , Xin Fan , Risheng Liu

The availability of bandwidth for internet access is sufficient enough to communicate digital assets. These digital assets are subjected to various types of threats. [19] As a result of this, protection mechanism required for the protection…

Multimedia · Computer Science 2013-01-23 Mahimn Pandya , Hiren Joshi , Ashish Jani

Visible watermark plays an important role in image copyright protection and the robustness of a visible watermark to an attack is shown to be essential. To evaluate and improve the effectiveness of watermark, watermark removal attracts…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Xiang Li , Chan Lu , Danni Cheng , Wei-Hong Li , Mei Cao , Bo Liu , Jiechao Ma , Wei-Shi Zheng

In the paper, we combined DSP processor with image processing algorithm and studied the method of water meter character recognition. We collected water meter image through camera at a fixed angle, and the projection method is used to…

Computer Vision and Pattern Recognition · Computer Science 2015-08-28 Ying Liu , Yan-bin Han , Yu-lin Zhang