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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

Reversible contrast mapping (RCM) is a simple integer transform that applies to pairs of pixels. For some pairs of pixels, RCM is invertible, even if the least significant bits (LSBs) of the transformed pixels are lost. The data space…

Multimedia · Computer Science 2009-11-13 Dinu Coltuc , Jean-Marc Chassery

This paper is devoted to a discussion of the Discrete Fourier Transform (DFT) representation of a chaotic finite-duration sequence. This representation has the advantage that is itself a finite-duration sequence corresponding to samples…

Chaotic Dynamics · Physics 2007-05-23 Carlos R. Fadragas , Juan V. Lorenzo-Ginori , Ruben Orozco-Morales

Most of the well known algorithms for watermarking of digital images involve transformation of the image data to Fourier or singular vector space. In this paper, we introduce watermarking in Hilbert transform domain for digital media.…

Multimedia · Computer Science 2010-12-15 Rashmi Agarwal , R. Krishnan , M. S. Santhanam , K. Srinivas , K. Venugopalan

Image splicing detection is of fundamental importance in digital forensics and therefore has attracted increasing attention recently. In this paper, a color image splicing detection approach is proposed based on Markov transition…

Computer Vision and Pattern Recognition · Computer Science 2017-12-22 Ruxin Wang , Wei Lu , Shijun Xiang , Xianfeng Zhao , Jinwei Wang

Water Distribution Networks (WDNs) are vital infrastructures, and contamination poses serious public health risks. Harmful substances can interact with disinfectants like chlorine, making chlorine monitoring essential for detecting…

Machine Learning · Computer Science 2025-08-25 Jin Li , Kleanthis Malialis , Stelios G. Vrachimis , Marios M. Polycarpou

As Diffusion Models (DM) generate increasingly realistic images, related issues such as copyright and misuse have become a growing concern. Watermarking is one of the promising solutions. Existing methods inject the watermark into the…

Cryptography and Security · Computer Science 2025-06-16 Kecen Li , Zhicong Huang , Xinwen Hou , Cheng Hong

Researchers in the field of DNA-based chaotic cryptography have recently proposed a set of novel and efficient image encryption algorithms. In this paper, we present a comprehensive summary of those techniques, which are available in the…

Cryptography and Security · Computer Science 2015-05-08 Chiranjoy Chattopadhyay , Bikramjit Sarkar , Debaprasad Mukherjee

With the fast development of communication and multimedia technology, the rights of the owners of multimedia products is vulnerable to the unauthorized copies and watermarking is one of the best known methods for proving the ownership of a…

Multimedia · Computer Science 2015-09-17 Mohammad Tafaghodi , Meysam Ghaffari , Alimohammad Latif , Seyed Rasoul Mousavi

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

Watermarking is a tool for actively identifying and attributing the images generated by latent diffusion models. Existing methods face the dilemma of image quality and watermark robustness. Watermarks with superior image quality usually…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Zheling Meng , Bo Peng , Jing Dong

In this paper, by using Logistic, Sine and Tent systems we define a combination chaotic system. Some properties of the chaotic system are studied by using figures and numerical results. A color image encryption algorithm is introduced based…

Information Theory · Computer Science 2017-12-06 R. Parvaz , M. Zarebnia

Digital watermarking is the process to hide digital pattern directly into a digital content. Digital watermarking techniques are used to address digital rights management, protect information and conceal secrets. An invisible non-blind…

Multimedia · Computer Science 2012-11-13 Abdur Shahid , Shahriar Badsha , Md. Rethwan Kabeer , Junaid Ahsan , Mufti Mahmud

Recently, crowd counting using supervised learning achieves a remarkable improvement. Nevertheless, most counters rely on a large amount of manually labeled data. With the release of synthetic crowd data, a potential alternative is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Junyu Gao , Tao Han , Qi Wang , Yuan Yuan

In previous work, the $k$-logistic map [Machicao and Bruno, Chaos, vol. 27, 053116 (2017)] was introduced as a transformation operating in the $k$ less significant digits of the Logistic map. It exploited the map's pseudo-randomness…

Chaotic Dynamics · Physics 2020-01-13 Jeaneth Machicao , Odemir M. Bruno , Murilo S. Baptista

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

Quaternion singular value decomposition (QSVD) is a robust technique of digital watermarking which can extract high quality watermarks from watermarked images with low distortion. In this paper, QSVD technique is further investigated and an…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Yong Chen , Zhi-Gang Jia , Ya-Xin Peng , Yan Peng

Deep convolutional neural networks (CNNs) are the backbone of state-of-art semantic image segmentation systems. Recent work has shown that complementing CNNs with fully-connected conditional random fields (CRFs) can significantly enhance…

Computer Vision and Pattern Recognition · Computer Science 2016-06-03 Liang-Chieh Chen , Jonathan T. Barron , George Papandreou , Kevin Murphy , Alan L. Yuille

Digital watermarking technology has a wide range of applications in video distribution and copyright protection due to its excellent invisibility and convenient traceability. This paper proposes a robust blind watermarking algorithm using…

Multimedia · Computer Science 2022-09-28 Qinwei Chang , Leichao Huang , Shaoteng Liu , Hualuo Liu , Tianshu Yang , Yexin Wang

Deep learning based blind watermarking works have gradually emerged and achieved impressive performance. However, previous deep watermarking studies mainly focus on fixed low-resolution images while paying less attention to arbitrary…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Hengchang Guo , Qilong Zhang , Junwei Luo , Feng Guo , Wenbin Zhang , Xiaodong Su , Minglei Li
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