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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

We propose new algorithms for singular value decomposition (SVD) of very large-scale matrices based on a low-rank tensor approximation technique called the tensor train (TT) format. The proposed algorithms can compute several dominant…

Numerical Analysis · Mathematics 2016-02-11 Namgil Lee , Andrzej Cichocki

Deep learning-based image watermarking, while robust against conventional distortions, remains vulnerable to advanced adversarial and regeneration attacks. Conventional countermeasures, which jointly optimize the encoder and decoder via a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Jiahui Chen , Zehang Deng , Zeyu Zhang , Chaoyang Li , Lianchen Jia , Lifeng Sun

The integrity of data visualizations is increasingly threatened by image editing techniques that enable subtle yet deceptive tampering. Through a formative study, we define this challenge and categorize tampering techniques into two primary…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Sicheng Song , Yanjie Zhang , Zixin Chen , Huamin Qu , Changbo Wang , Chenhui Li

Digital image watermarking seeks to protect the digital media information from unauthorized access, where the message is embedded into the digital image and extracted from it, even some noises or distortions are applied under various data…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Hong-Bo Xu , Rong Wang , Jia Wei , Shao-Ping Lu

Steganography is the process of embedding secret information discreetly within a carrier, ensuring secure exchange of confidential data. The Adaptive Pixel Value Differencing (APVD) steganography method, while effective, encounters certain…

Cryptography and Security · Computer Science 2025-07-21 Mehrab Hosain , Rajiv Kapoor

Watermarking techniques are vital for protecting intellectual property and preventing fraudulent use of media. Most previous watermarking schemes designed for diffusion models embed a secret key in the initial noise. The resulting pattern…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Anubhav Jain , Yuya Kobayashi , Naoki Murata , Yuhta Takida , Takashi Shibuya , Yuki Mitsufuji , Niv Cohen , Nasir Memon , Julian Togelius

With the widespread use of powerful image editing tools, image tampering becomes easy and realistic. Existing image forensic methods still face challenges of low generalization performance and robustness. In this letter, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Haochen Zhu , Gang Cao , Mo Zhao

We present a robust neural watermarking framework for scientific data integrity, targeting high-dimensional fields common in climate modeling and fluid simulations. Using a convolutional autoencoder, binary messages are invisibly embedded…

Machine Learning · Computer Science 2025-06-17 Krti Tallam

Low-rank regularization-based deep unrolling networks have achieved remarkable success in various inverse imaging problems (IIPs). However, the singular value decomposition (SVD) is non-differentiable when duplicated singular values occur,…

Numerical Analysis · Mathematics 2024-11-22 Yinghao Zhang , Yue Hu

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

Backdoor attack aims to deceive a victim model when facing backdoor instances while maintaining its performance on benign data. Current methods use manual patterns or special perturbations as triggers, while they often overlook the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Ruofei Wang , Renjie Wan , Zongyu Guo , Qing Guo , Rui Huang

Fiducial markers can encode rich information about the environment and can aid Visual SLAM (VSLAM) approaches in reconstructing maps with practical semantic information. Current marker-based VSLAM approaches mainly utilize markers for…

Robotics · Computer Science 2023-12-27 Ali Tourani , Hriday Bavle , Jose Luis Sanchez-Lopez , Rafael Munoz Salinas , Holger Voos

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

This paper introduces a blind watermarking based on a convolutional neural network (CNN). We propose an iterative learning framework to secure robustness of watermarking. One loop of learning process consists of the following three stages:…

Multimedia · Computer Science 2019-03-21 Seung-Min Mun , Seung-Hun Nam , Han-Ul Jang , Dongkyu Kim , Heung-Kyu Lee

Aiming at the high cost of embedding annotation watermark in a narrow small area and the information distortion caused by the change of annotation watermark image resolution, this paper proposes a color block code technology, which uses…

Graphics · Computer Science 2022-02-15 Hao Wang , Yu Bai , Jie Liu , Guangmin Sun , Yanjun Zhang , Jie Li

In this paper, a quantization based watermark casting and blind watermark retrieval algorithm operating in YCbCr color space using discrete wavelet transform (DWT), for ownership verification and image authentication applications is…

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

This paper explores signal and image analysis by using the Singular Value Decomposition (SVD) and its extension, the Generalized Singular Value Decomposition (GSVD). A key strength of SVD lies in its ability to separate information into…

Signal Processing · Electrical Eng. & Systems 2025-12-10 Oscar Romero , Néstor Thome

Singular Value Decomposition (SVD) has recently emerged as a new paradigm for processing different types of images. SVD is an attractive algebraic transform for image processing applications. The paper proposes an experimental survey for…

Computer Vision and Pattern Recognition · Computer Science 2012-12-03 Rowayda A. Sadek

Video watermarking is extensively used in many media-oriented applications for embedding watermarks, i.e. hidden digital data, in a video sequence to protect the video from illegal copying and to identify manipulations made in the video. In…

Multimedia · Computer Science 2016-12-15 Poorna Banerjee Dasgupta