English
Related papers

Related papers: DiffStega: Towards Universal Training-Free Coverle…

200 papers

Steganalysis has been an important research topic in cybersecurity that helps to identify covert attacks in public network. With the rapid development of natural language processing technology in the past two years, coverless steganography…

Cryptography and Security · Computer Science 2018-10-19 Zhongliang Yang , Nan Wei , Junyi Sheng , Yongfeng Huang , Yu-Jin Zhang

Editing images with diffusion models under strict training-free constraints remains a significant challenge. While recent optimisation-based methods achieve strong zero-shot edits from text, they struggle to preserve identity and capture…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Niki Foteinopoulou , Ignas Budvytis , Stephan Liwicki

Nowadays, there are plenty of works introducing convolutional neural networks (CNNs) to the steganalysis and exceeding conventional steganalysis algorithms. These works have shown the improving potential of deep learning in information…

Multimedia · Computer Science 2018-10-11 Ru Zhang , Shiqi Dong , Jianyi Liu

Steganography is the technique of hiding confidential information within any media. Steganography is often confused with cryptography because the two are similar in the way that they both are used to protect confidential information. The…

Cryptography and Security · Computer Science 2011-11-17 Soumyendu Das , Subhendu Das , Bijoy Bandyopadhyay , Sugata Sanyal

The technique of hiding secret messages within seemingly harmless covertext to evade examination by censors with rigorous security proofs is known as provably secure steganography (PSS). PSS evolves from symmetric key steganography to…

Cryptography and Security · Computer Science 2025-04-29 Xin Zhang , Kejiang Chen , Na Zhao , Weiming Zhang , Nenghai Yu

Cross-modal steganography is committed to hiding secret information of one modality in another modality. Despite the advancement in the field of steganography by the introduction of deep learning, cross-modal steganography still remains to…

Cryptography and Security · Computer Science 2025-01-03 Sojeong Song , Seoyun Yang , Chang D. Yoo , Junmo Kim

An analysis of steganographic systems subject to the following perfect undetectability condition is presented in this paper. Following embedding of the message into the covertext, the resulting stegotext is required to have exactly the same…

Information Theory · Computer Science 2016-11-17 Ying Wang , Pierre Moulin

Steganography and Cryptography are two popular ways of sending vital information in a secret way. One hides the existence of the message and the other distorts the message itself. There are many cryptography techniques available; among them…

Cryptography and Security · Computer Science 2010-09-16 Dipti Kapoor Sarmah , Neha Bajpai

Steganography is the task of concealing a message within a medium such that the presence of the hidden message cannot be detected. Beyond the standard scope of private-key steganography, steganography is also potentially interesting from…

Cryptography and Security · Computer Science 2017-07-04 Aubrey Alston

Open-source pre-trained models hold great potential for diverse applications, but their utility declines when their training data is unavailable. Data-Free Image Synthesis (DFIS) aims to generate images that approximate the learned data…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Yujin Kim , Hyunsoo Kim , Hyunwoo J. Kim , Suhyun Kim

Scene text editing is a challenging task that involves modifying or inserting specified texts in an image while maintaining its natural and realistic appearance. Most previous approaches to this task rely on style-transfer models that crop…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Jiabao Ji , Guanhua Zhang , Zhaowen Wang , Bairu Hou , Zhifei Zhang , Brian Price , Shiyu Chang

Semantic Communication (SemCom), leveraging its significant advantages in transmission efficiency and reliability, has emerged as a core technology for constructing future intellicise (intelligent and concise) wireless networks. However,…

Cryptography and Security · Computer Science 2026-05-08 Rui Meng , Song Gao , Bingxuan Xu , Xiaodong Xu , Jianqiao Chen , Nan Ma , Pei Xiao , Ping Zhang , Rahim Tafazolli

Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu

mage steganography is the process of hiding information which can be text, image, or video inside a cover image. The advantage of steganography over cryptography is that the intended secret message does not attract attention and is thus…

Cryptography and Security · Computer Science 2022-01-19 Chen-Hsiu Huang , Ja-Ling Wu

In modern social networks, existing style transfer methods suffer from a serious content leakage issue, which hampers the ability to achieve serial and reversible stylization, thereby hindering the further propagation of stylized images in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Xiujian Liang , Bingshan Liu , Qichao Ying , Zhenxing Qian , Xinpeng Zhang

Nowadays, social media has become the preferred communication platform for web users but brought security threats. Linguistic steganography hides secret data into text and sends it to the intended recipient to realize covert communication.…

Cryptography and Security · Computer Science 2023-03-13 Xilong Wang , Yaofei Wang , Kejiang Chen , Jinyang Ding , Weiming Zhang , Nenghai Yu

Recent provably secure linguistic steganography (PSLS) methods rely on mainstream autoregressive language models (ARMs) to address historically challenging tasks, that is, to disguise covert communication as ``innocuous'' natural language…

Cryptography and Security · Computer Science 2026-01-22 Yuang Qi , Na Zhao , Qiyi Yao , Benlong Wu , Weiming Zhang , Nenghai Yu , Kejiang Chen

A new technique for data hiding in digital image is proposed in this paper. Steganography is a well known technique for hiding data in an image, but generally the format of image plays a pivotal role in it, and the scheme is format…

Multimedia · Computer Science 2013-08-01 Adity Sharma , Anoo Agarwal , Vinay Kumar

Diffusion models (DMs) have demonstrated an unparalleled ability to create diverse and high-fidelity images from text prompts. However, they are also well-known to vary substantially regarding both prompt adherence and quality. Negative…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Alakh Desai , Nuno Vasconcelos

Image restoration aims to enhance low quality images, producing high quality images that exhibit natural visual characteristics and fine semantic attributes. Recently, the diffusion model has emerged as a powerful technique for image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Jiangtong Tan , Feng Zhao
‹ Prev 1 3 4 5 6 7 10 Next ›