English
Related papers

Related papers: Adversarial Embedding: A robust and elusive Stegan…

200 papers

AI-powered generative models have significantly expanded the possibilities for editing, manipulating, and creating high-quality images. Particularly, images that falsely appear to originate from trusted sources pose a serious threat,…

Cryptography and Security · Computer Science 2026-04-28 Mathias Graf , Marco Willi , Melanie Mathys , Michael Aerni , Christian Schwarzer , Martin Melchior , Michael H. Graber

In this letter, we explored generative image steganography based on autoregressive models. We proposed Pixel-Stega, which implements pixel-level information hiding with autoregressive models and arithmetic coding algorithm. Firstly, one of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Siyu Zhang , Zhongliang Yang , Haoqin Tu , Jinshuai Yang , Yongfeng Huang

Image steganography is widely used to protect user privacy and enable covert communication. However, it can also be abused by the adversary as a covert channel to bypass content moderation, disseminate harmful semantics, and even hide…

Cryptography and Security · Computer Science 2026-05-08 Zhen Sun , Zongmin Zhang , Leyi Sheng , Yule Liu , Yifan Liao , Ke Li , Xinhu Zheng , Jiaheng Wei , Wenyuan Yang , Xinlei He

We propose a test-time defense mechanism against adversarial attacks: imperceptible image perturbations that significantly alter the predictions of a model. Unlike existing methods that rely on feature filtering or smoothing, which can lead…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Dong Lao , Yuxiang Zhang , Haniyeh Ehsani Oskouie , Yangchao Wu , Alex Wong , Stefano Soatto

Many computer vision systems require users to upload image features to the cloud for processing and storage. These features can be exploited to recover sensitive information about the scene or subjects, e.g., by reconstructing the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Mihai Dusmanu , Johannes L. Schönberger , Sudipta N. Sinha , Marc Pollefeys

Secure covert communication in hostile environments requires simultaneously achieving invisibility, provable security guarantees, and robustness against informed adversaries. This paper presents a novel hybrid steganographic framework that…

Cryptography and Security · Computer Science 2025-07-08 Obinna Omego , Michal Bosy

Steganography is the art and science of writing hidden messages in such a way that no one apart from the sender and the receiver would realize that a secret communicating is taking place. Unlike cryptography which only scrambles secret data…

Cryptography and Security · Computer Science 2012-12-13 Youssef Bassil

Convolutional Neural Networks have achieved significant success across multiple computer vision tasks. However, they are vulnerable to carefully crafted, human-imperceptible adversarial noise patterns which constrain their deployment in…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Aamir Mustafa , Salman H. Khan , Munawar Hayat , Jianbing Shen , Ling Shao

With the growing popularity of artificial intelligence and machine learning, a wide spectrum of attacks against deep learning models have been proposed in the literature. Both the evasion attacks and the poisoning attacks attempt to utilize…

Cryptography and Security · Computer Science 2022-08-16 Zeyan Liu , Fengjun Li , Jingqiang Lin , Zhu Li , Bo Luo

Deepfakes and manipulated media are becoming a prominent threat due to the recent advances in realistic image and video synthesis techniques. There have been several attempts at combating Deepfakes using machine learning classifiers.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Paarth Neekhara , Shehzeen Hussain , Xinqiao Zhang , Ke Huang , Julian McAuley , Farinaz Koushanfar

As Generative AI continues to become more accessible, the case for robust detection of generated images in order to combat misinformation is stronger than ever. Invisible watermarking methods act as identifiers of generated content,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Dongjun Hwang , Sungwon Woo , Tom Gao , Raymond Luo , Sunghwan Baek

Image steganography camouflages secret messages in images by tampering image contents. There is a natural desire for hiding maximum secret information with the least possible distortions in the host image. This requires an algorithm that…

Cryptography and Security · Computer Science 2023-01-24 Laeeq Aslam Sandhu , Ebrahim Shahzad , Fatima Yaqoob , Sharjeel Abid Butt , Wasim Khan , I. M. Qureshi

Adversarial attacks meticulously generate minuscule, imperceptible perturbations to images to deceive neural networks. Counteracting these, adversarial purification methods seek to transform adversarial input samples into clean output…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Sitong Liu , Zhichao Lian , Shuangquan Zhang , Liang Xiao

Steganography is one of the information hiding techniques, which conceals secret messages in cover media. Digital image and audio are the most studied cover media for steganography. However, so far, there is no research on steganography to…

Cryptography and Security · Computer Science 2021-10-22 Daewon Lee

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

Deep neural networks have demonstrated remarkable effectiveness across a wide range of tasks such as semantic segmentation. Nevertheless, these networks are vulnerable to adversarial attacks that add imperceptible perturbations to the input…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Kira Maag , Roman Resner , Asja Fischer

We demonstrate that modern image recognition methods based on artificial neural networks can recover hidden information from images protected by various forms of obfuscation. The obfuscation techniques considered in this paper are mosaicing…

Cryptography and Security · Computer Science 2016-09-08 Richard McPherson , Reza Shokri , Vitaly Shmatikov

Steganography is an information hiding technique for covert communication. The core issue in steganography design is the rate-distortion coding problem. Polar codes, which have been proven to achieve the rate-distortion bound for any binary…

Cryptography and Security · Computer Science 2025-06-10 Yujun Ji , Jinsheng Li , Ling Liu , Qi Cao , Tao Dai

Image hiding is the study of techniques for covert storage and transmission, which embeds a secret image into a container image and generates stego image to make it similar in appearance to a normal image. However, existing image hiding…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Lang Huang , Lin Huo , Zheng Gan , Xinrong He

Retention of secrecy is one of the significant features during communication activity. Steganography is one of the popular methods to achieve secret communication between sender and receiver by hiding message in any form of cover media such…

Multimedia · Computer Science 2012-04-13 T. R. Gopalakrishnan Nair , Suma V , Manas S