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Many existing coverless steganography methods establish a mapping relationship between cover images and hidden data. There exists an issue that the number of images stored in the database grows exponentially as the steganographic capacity…

密码学与安全 · 计算机科学 2024-01-23 Jiajun Liu , Lina Tan , Zhili Zhou , Yi Li , Peng Chen

Stereo Depth Estimation (SDE) is essential for scene perception in vision-based systems such as autonomous driving. Prior work shows SDE is vulnerable to pixel-optimization attacks, but these methods are limited to digital, static, and…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Hangcheng Liu , Xu Kuang , Xingshuo Han , Xingwan Wu , Haoran Ou , Shangwei Guo , Xingyi Huang , Tao Xiang , Tianwei Zhang

Several learnable image encryption schemes have been developed for privacy-preserving image classification. This paper focuses on the security block-based image encryption methods that are learnable and JPEG-friendly. Permuting divided…

密码学与安全 · 计算机科学 2023-08-07 Tatsuya Chuman , Nobutaka Ono , Hitoshi Kiya

Whereas cryptography easily arouses attacks by means of encrypting a secret message into a suspicious form, steganography is advantageous for its resilience to attacks by concealing the message in an innocent-looking cover signal. Minimal…

密码学与安全 · 计算机科学 2022-10-27 Kejiang Chen , Hang Zhou , Yaofei Wang , Menghan Li , Weiming Zhang , Nenghai Yu

In this paper, we study a real-world JPEG image restoration problem with bit errors on the encrypted bitstream. The bit errors bring unpredictable color casts and block shifts on decoded image contents, which cannot be resolved by existing…

图像与视频处理 · 电气工程与系统科学 2023-04-17 Wenyang Liu , Yi Wang , Kim-Hui Yap , Lap-Pui Chau

This paper considers a method of coding the sensor outputs in order to detect stealthy false data injection attacks. An intelligent attacker can design a sequence of data injection to sensors and actuators that pass the state estimator and…

密码学与安全 · 计算机科学 2016-11-17 Fei Miao , Quanyan Zhu , Miroslav Pajic , George J. Pappas

The proliferation of image manipulation for unethical purposes poses significant challenges in social networks. One particularly concerning method is Image Steganography, allowing individuals to hide illegal information in digital images…

图像与视频处理 · 电气工程与系统科学 2024-05-30 Rony Abecidan , Vincent Itier , Jérémie Boulanger , Patrick Bas , Tomáš Pevný

Encryption-then-Compression (EtC) systems have been considered for the user-controllable privacy protection of social media like Twitter. The aim of this paper is to evaluate the security of block scrambling-based encryption schemes, which…

密码学与安全 · 计算机科学 2018-12-26 Tatsuya Chuman , Hitoshi Kiya

In this paper, an unsupervised steganalysis method that combines artificial training setsand supervised classification is proposed. We provide a formal framework for unsupervisedclassification of stego and cover images in the typical…

多媒体 · 计算机科学 2017-03-03 Daniel Lerch-Hostalot , David Megías

Steganography conceals the secret message into the cover media, generating a stego media which can be transmitted on public channels without drawing suspicion. As its countermeasure, steganalysis mainly aims to detect whether the secret…

密码学与安全 · 计算机科学 2022-05-26 Yong Xu , Zhihua Xia , Zichi Wang , Xinpeng Zhang , Jian Weng

Image steganography refers to the process of hiding information inside images. Steganalysis is the process of detecting a steganographic image. We introduce a steganalysis approach that uses an ensemble color space model to obtain a…

图像与视频处理 · 电气工程与系统科学 2021-06-18 Shreyank N Gowda , Chun Yuan

During the recent years, tampering of digital images has become a general habit among people and professionals. As a result, establishment of image authenticity has become a key issue in fields those make use of digital images.…

多媒体 · 计算机科学 2014-07-28 Minati Mishra , M. C. Adhikary

Existing H.265/HEVC video steganalysis research mainly focuses on detecting the steganography based on motion vectors, intra prediction modes, and transform coefficients. However, there is currently no effective steganalysis method capable…

图像与视频处理 · 电气工程与系统科学 2026-05-12 Xiang Zhang , Haiyang Xia , Ziwen He , Wenbin Huang , Fei Peng , Zhangjie Fu

Steganographic schemes dedicated to generated images modify the seed vector in the latent space to embed a message. Whereas most steganalysis methods attempt to detect the embedding in the image space, this paper proposes to perform…

密码学与安全 · 计算机科学 2026-01-29 Etienne Levecque , Aurélien Noirault , Tomáš Pevn{ý} , Jan Butora , Patrick Bas , Rémi Cogranne

Steganography and steganalysis are two interrelated aspects of the field of information security. Steganography seeks to conceal communications, whereas steganalysis is aimed to either find them or even, if possible, recover the data they…

密码学与安全 · 计算机科学 2024-03-13 Hamza Kheddar , Mustapha Hemis , Yassine Himeur , David Megías , Abbes Amira

In recent years, there has been an increasing number of information hiding techniques based on network streaming media, focusing on how to covertly and efficiently embed secret information into real-time transmitted network media signals to…

密码学与安全 · 计算机科学 2024-11-22 Pengcheng Zhou , Zhengyang Fang , Zhongliang Yang , Zhili Zhou , Linna Zhou

Traditional steganalysis algorithms focus on detecting the existence of steganography in a single object. In practice, one may face a complex scenario where one or some of multiple users also called actors are guilty of using steganography,…

多媒体 · 计算机科学 2018-10-30 Hanzhou Wu

The Synchronization Signal Block (SSB) is a fundamental component of the 5G New Radio (NR) air interface, crucial for the initial access procedure of Connected and Automated Vehicles (CAVs), and serves several key purposes in the network's…

信号处理 · 电气工程与系统科学 2025-09-30 Ghazal Asemian , Mohammadreza Amini , Burak Kantarci , Melike Erol-Kantarci

Despite the great achievements of deep neural networks (DNNs), the vulnerability of state-of-the-art DNNs raises security concerns of DNNs in many application domains requiring high reliability.We propose the fault sneaking attack on DNNs,…

机器学习 · 计算机科学 2025-07-08 Pu Zhao , Siyue Wang , Cheng Gongye , Yanzhi Wang , Yunsi Fei , Xue Lin

In this paper, a novel strategy of Secure Steganograpy based on Generative Adversarial Networks is proposed to generate suitable and secure covers for steganography. The proposed architecture has one generative network, and two…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Haichao Shi , Jing Dong , Wei Wang , Yinlong Qian , Xiaoyu Zhang