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Steganography is the art of hiding a secret message inside a publicly visible carrier message. Ideally, it is done without modifying the carrier, and with minimal loss of information in the secret message. Recently, various deep learning…

多媒体 · 计算机科学 2020-03-31 Shivam Agarwal , Siddarth Venkatraman

Diffusion model-based generative image steganography (DM-GIS) is an emerging paradigm that leverages the generative power of diffusion models to conceal secret messages without requiring pre-existing cover images. In this paper, we identify…

密码学与安全 · 计算机科学 2026-03-05 Jiahao Zhu , Zixuan Chen , Jiali Liu , Weiqi Luo , Yi Zhou , Xiaohua Xie

Supervised deep-embedding methods project inputs of a domain to a representational space in which same-class instances lie near one another and different-class instances lie far apart. We propose a probabilistic method that treats…

机器学习 · 统计学 2019-09-27 Tyler R. Scott , Karl Ridgeway , Michael C. Mozer

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.…

密码学与安全 · 计算机科学 2023-03-13 Xilong Wang , Yaofei Wang , Kejiang Chen , Jinyang Ding , Weiming Zhang , Nenghai Yu

Most deep learning models are based on deep neural networks with multiple layers between input and output. The parameters defining these layers are initialized using random values and are "learned" from data, typically using stochastic…

机器学习 · 计算机科学 2019-03-05 Prakash Mohan , Marc T. Henry de Frahan , Ryan King , Ray W. Grout

Steganography embeds secret messages in seemingly innocuous carriers for covert communication under surveillance. Current Provably Secure Steganography (PSS) schemes based on language models can guarantee computational indistinguishability…

密码学与安全 · 计算机科学 2026-04-30 Kaiyi Pang , Minhao Bai

Steganography is the art and science of covert writing, with a broad range of applications interwoven within the realm of cybersecurity. As artificial intelligence continues to evolve, its ability to synthesise realistic content emerges as…

密码学与安全 · 计算机科学 2025-04-22 Ching-Chun Chang , Isao Echizen

Speculative decoding is commonly used for reducing the inference latency of large language models. Its effectiveness depends highly on the speculation lookahead (SL)-the number of tokens generated by the draft model at each iteration. In…

计算与语言 · 计算机科学 2024-11-08 Jonathan Mamou , Oren Pereg , Daniel Korat , Moshe Berchansky , Nadav Timor , Moshe Wasserblat , Roy Schwartz

Redundant information of low-bit-rate speech is extremely small, thus it's very difficult to implement large capacity steganography on the low-bit-rate speech. Based on multiple vector quantization characteristics of the Line Spectrum Pair…

密码学与安全 · 计算机科学 2018-09-11 Zhongliang Yang , Xueshun Peng , Yongfeng Huang , Chinchen Chang

Modelers use automatic differentiation (AD) of computation graphs to implement complex Deep Learning models without defining gradient computations. Stochastic AD extends AD to stochastic computation graphs with sampling steps, which arise…

机器学习 · 统计学 2021-10-27 Emile van Krieken , Jakub M. Tomczak , Annette ten Teije

Question answering in temporal knowledge graphs requires retrieval that is both time-consistent and efficient. Existing RAG methods are largely semantic and typically neglect explicit temporal constraints, which leads to time-inconsistent…

信息检索 · 计算机科学 2025-10-21 Zulun Zhu , Haoyu Liu , Mengke He , Siqiang Luo

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…

密码学与安全 · 计算机科学 2018-10-19 Zhongliang Yang , Nan Wei , Junyi Sheng , Yongfeng Huang , Yu-Jin Zhang

Diffusion Language Models (DLMs) enable parallel decoding via iterative denoising, where remasking strategies play a critical role in balancing inference speed and output quality. Existing methods predominantly rely on static confidence…

计算与语言 · 计算机科学 2026-02-24 Xinhao Sun , Huaijin Zhao , Maoliang Li , Zihao Zheng , Jiayu Chen , Yun Liang , Xiang Chen

Steganography is a technique for covert communication between two parties. With the rapid development of deep neural networks (DNN), more and more steganographic networks are proposed recently, which are shown to be promising to achieve…

密码学与安全 · 计算机科学 2023-03-01 Guobiao Li , Sheng Li , Meiling Li , Xinpeng Zhang , Zhenxing Qian

As is commonly known, the steganographic algorithms employ images, audio, video or text files as the medium to ensure hidden exchange of information between multiple contenders to protect the data from the prying eyes. However, using text…

密码学与安全 · 计算机科学 2012-03-19 Shraddha Dulera , Devesh Jinwala , Aroop Dasgupta

Whereas traditional cryptography encrypts a secret message into an unintelligible form, steganography conceals that communication is taking place by encoding a secret message into a cover signal. Language is a particularly pragmatic cover…

计算与语言 · 计算机科学 2019-09-05 Zachary M. Ziegler , Yuntian Deng , Alexander M. Rush

In today's digital world, which has many different types of media, steganography, the art of secret communication, has a lot of problems to deal with. Traditional methods are often fixed and only work with one type of carrier media. This…

密码学与安全 · 计算机科学 2025-11-13 Abhirup Das , Pranav Dudani , Shruti Sharma , Ravi Kumar C.

For organizing large text corpora topic modeling provides useful tools. A widely used method is Latent Dirichlet Allocation (LDA), a generative probabilistic model which models single texts in a collection of texts as mixtures of latent…

计算与语言 · 计算机科学 2020-04-02 Jonas Rieger , Lars Koppers , Carsten Jentsch , Jörg Rahnenführer

Authentication mechanisms are at the forefront of defending the world from various types of cybercrime. Steganography can serve as an authentication solution through the use of a digital signature embedded in a carrier object to ensure the…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Ching-Chun Chang

Steganography is the art and science of hiding secret messages in public communication so that the presence of the secret messages cannot be detected. There are two distribution-preserving steganographic frameworks, one is sampling-based…

多媒体 · 计算机科学 2020-11-23 Kejiang Chen , Hang Zhou , Hanqing Zhao , Dongdong Chen , Weiming Zhang , Nenghai Yu