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Robust steganography is a technique of hiding secret messages in images so that the message can be recovered after additional image processing. One of the most popular processing operations is JPEG recompression. Unfortunately, most of…

Multimedia · Computer Science 2023-07-07 Jan Butora , Pauline Puteaux , Patrick Bas

We expand the class of holographic quantum error correcting codes by developing the notion of block perfect tensors, a wider class that includes previously defined perfect tensors. The relaxation of this constraint opens up a range of other…

Quantum Physics · Physics 2018-11-07 Robert J. Harris , Nathan A. McMahon , Gavin K. Brennen , Thomas M. Stace

Steganography is technique of hiding a data under cover media using different steganography tools. Image steganography is hiding of data (Text/Image/Audio/Video) under a cover as Image. This review paper presents classification of image…

Cryptography and Security · Computer Science 2025-08-28 Ms. Preeti P. Bhatt , Rakesh R. Savant

The proliferation of digital carriers that can be exploited to conceal arbitrary data has greatly increased the number of techniques for implementing network steganography. As a result, the literature overlaps greatly in terms of concepts…

Data security is required when communications over untrusted networks takes place. Security tools such as cryptography and steganography are applied to achieve such objectives, but both have limitations and susceptible to attacks if they…

Cryptography and Security · Computer Science 2019-03-01 Sherief H. Murad , Amr M. Gody , Tamer M. Barakat

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…

Cryptography and Security · Computer Science 2026-04-30 Kaiyi Pang , Minhao Bai

This paper presents two novel approaches to increase performance bounds of image steganography under the criteria of minimizing distortion. First, in order to efficiently use the images' capacities, we propose using parallel images in the…

Multimedia · Computer Science 2019-07-09 Mehdi Sharifzadeh , Chirag Agarwal , Mahdi Salarian , Dan Schonfeld

Steganography algorithms facilitate communication between a source and a destination in a secret manner. This is done by embedding messages/text/data into images without impacting the appearance of the resultant images/videos. Steganalysis…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Farid Ghareh Mohammadi , Farzan Shenavarmasouleh , M. Hadi Amini , Hamid R. Arabnia

Deep image steganography is a data hiding technology that conceal data in digital images via deep neural networks. However, existing deep image steganography methods only consider the visual similarity of container images to host images,…

Cryptography and Security · Computer Science 2022-01-20 Yanzhen Ren , Ting Liu , Liming Zhai , Lina Wang

The paper presents StegBlocks, which defines a new concept for performing undetectable hidden communication. StegBlocks is a general approach for constructing methods of network steganography. In StegBlocks, one has to determine objects…

Multimedia · Computer Science 2015-06-09 Wojciech Fraczek , Krzysztof Szczypiorski

Code completion is a prominent application of Large Language Models (LLMs) in software engineering. Due to the near real-time response requirements of this task, base models with small to medium-sized parameters are typically employed,…

Software Engineering · Computer Science 2025-09-18 Dongjun Yu , Xiao Yan , Zhenrui Li , Jipeng Xiao , Haochuan He , Yongda Yu , Hao Zhang , Guoping Rong , Xiaobo Huang

Information security is one of the most challenging problems in today's technological world. In order to secure the transmission of secret data over the public network (Internet), various schemes have been presented over the last decade.…

Multimedia · Computer Science 2016-01-08 Khan Muhammad , Jamil Ahmad , Muhammad Sajjad , Muhammad Zubair

Steganography methods in general terms tend to embed more and more secret bits in the cover images. Most of these methods are designed to embed secret information in such a way that the change in the visual quality of the resulting stego…

Multimedia · Computer Science 2021-01-19 Soumendu Chakraborty , Anand Singh Jalal

We propose a simple universal (that is, distribution--free) steganographic system in which covertexts with and without hidden texts are statistically indistinguishable. The stegosystem can be applied to any source generating i.i.d.…

Cryptography and Security · Computer Science 2007-05-23 Boris Ryabko , Daniil Ryabko

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…

Cryptography and Security · Computer Science 2022-10-27 Kejiang Chen , Hang Zhou , Yaofei Wang , Menghan Li , Weiming Zhang , Nenghai Yu

Image steganography is the process of hiding secret data in a cover image by subtle perturbation. Recent studies show that it is feasible to use a fixed neural network for data embedding and extraction. Such Fixed Neural Network…

Cryptography and Security · Computer Science 2024-07-17 Guobiao Li , Sheng Li , Zhenxing Qian , Xinpeng Zhang

Image steganography is art of hiding information onto the cover image. In this proposal a transformed domain based gray scale image authentication/data hiding technique using Z transform (ZT) termed as FDSZT, has been proposed. ZTransform…

Cryptography and Security · Computer Science 2012-02-21 J. K. Mandal

We consider the symmetry group of a $Z_2Z_4$-linear code with parameters of a $1$-perfect, extended $1$-perfect, or Preparata-like code. We show that, provided the code length is greater than $16$, this group consists only of symmetries…

Information Theory · Computer Science 2017-03-01 Denis Krotov

This work extends our previous study on enhancing 3D LiDAR point-cloud classification with product coefficients \cite{medina2025integratingproductcoefficientsimproved}, measure-theoretic descriptors that complement the original spatial…

Machine Learning · Computer Science 2025-10-20 Patricia Medina , Rasika Karkare

The sum-product algorithm for decoding of binary codes is analyzed for bipartite graphs in which the check nodes all have degree $2$. The algorithm simplifies dramatically and may be expressed using linear algebra. Exact results about the…

Information Theory · Computer Science 2014-11-11 John O. Brevik , Michael E. O'Sullivan