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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…

密码学与安全 · 计算机科学 2023-01-24 Laeeq Aslam Sandhu , Ebrahim Shahzad , Fatima Yaqoob , Sharjeel Abid Butt , Wasim Khan , I. M. Qureshi

Image deblurring tries to eliminate degradation elements of an image causing blurriness and improve the quality of an image for better texture and object visualization. Traditionally, prior-based optimization approaches predominated in…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Sajjad Amrollahi Biyouki , Hoon Hwangbo

Steganography is collection of methods to hide secret information ("payload") within non-secret information "container"). Its counterpart, Steganalysis, is the practice of determining if a message contains a hidden payload, and recovering…

多媒体 · 计算机科学 2019-10-09 Denis Volkhonskiy , Ivan Nazarov , Evgeny Burnaev

This paper proposes PRoADS, a provably secure and robust audio steganographic framework based on audio diffusion models. As a generative steganography scheme, PRoADS embeds secret messages into the initial noise of diffusion models via…

密码学与安全 · 计算机科学 2026-03-12 YongPeng Yan , Yanan Li , Qiyang Xiao , Yanzhen Ren

Image denoising is a typical ill-posed problem due to complex degradation. Leading methods based on normalizing flows have tried to solve this problem with an invertible transformation instead of a deterministic mapping. However, the…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Wenchao Du , Hu Chen , Yi Zhang , H. Yang

We present an overview of the methodology used to build a new stereo vision solution that is suitable for System on Chip. This new solution was developed to bring computer vision capability to embedded devices that live in a power…

计算机视觉与模式识别 · 计算机科学 2020-01-15 Luca Puglia , Cormac Brick

Steganography refers to the art of concealing secret messages within multiple media carriers so that an eavesdropper is unable to detect the presence and content of the hidden messages. In this paper, we firstly propose a novel…

密码学与安全 · 计算机科学 2019-06-05 Zheng Li , Ge Han , Yunqing Wei , Shanqing Guo

Deep Belief Networks which are hierarchical generative models are effective tools for feature representation and extraction. Furthermore, DBNs can be used in numerous aspects of Machine Learning such as image denoising. In this paper, we…

机器学习 · 计算机科学 2014-01-03 Mohammad Ali Keyvanrad , Mohammad Pezeshki , Mohammad Ali Homayounpour

Steganography is the art of hiding secret data into the cover media for covert communication. In recent years, more and more deep neural network (DNN)-based steganographic schemes are proposed to train steganographic networks for secret…

密码学与安全 · 计算机科学 2024-02-28 Guobiao Li , Sheng Li , Zicong Luo , Zhenxing Qian , Xinpeng Zhang

Generative image steganography is a technique that conceals secret messages within generated images, without relying on pre-existing cover images. Recently, a number of diffusion model-based generative image steganography (DM-GIS) methods…

多媒体 · 计算机科学 2026-02-12 Jihao Zhu , Zixuan Chen , Jiali Liu , Lingxiao Yang , Yi Zhou , Weiqi Luo , Xiaohua Xie

LSB steganography is a one of the most widely used methods for implementing covert data channels in image file exchanges [1][2]. The low computational complexity and implementation simplicity of the algorithm are significant factors for its…

多媒体 · 计算机科学 2016-06-09 James Collins , Sos Agaian

We propose a method to improve steganography by increasing the resilience of stego-media to discovery through steganalysis. Our approach enhances a class of steganographic approaches through the inclusion of a steganographic assistant…

密码学与安全 · 计算机科学 2023-04-26 Andrew Havard , Theodore Manikas , Eric C. Larson , Mitchell A. Thornton

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

Audio denoising has been explored for decades using both traditional and deep learning-based methods. However, these methods are still limited to either manually added artificial noise or lower denoised audio quality. To overcome these…

声音 · 计算机科学 2022-10-20 Youshan Zhang , Jialu Li

Information hiding is the process of embedding data within another form of data, often to conceal its existence or prevent unauthorized access. This process is commonly used in various forms of secure communications (steganography) that can…

密码学与安全 · 计算机科学 2025-02-07 Preston K. Robinette , Daniel Moyer , Taylor T. Johnson

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…

密码学与安全 · 计算机科学 2011-11-17 Soumyendu Das , Subhendu Das , Bijoy Bandyopadhyay , Sugata Sanyal

Steganography is an ancient art that encompasses various techniques of information hiding, the aim of which is to secret information into a carrier message. Steganographic methods are usually aimed at hiding the very existence of the…

密码学与安全 · 计算机科学 2013-04-23 Wojciech Mazurczyk

Applying standard algorithms to sparse data problems in photoacoustic tomography (PAT) yields low-quality images containing severe under-sampling artifacts. To some extent, these artifacts can be reduced by iterative image reconstruction…

数值分析 · 数学 2024-12-20 Stephan Antholzer , Johannes Schwab , Robert Nuster , Markus Haltmeier

In the recent time deep learning has achieved huge popularity due to its performance in various machine learning algorithms. Deep learning as hierarchical or structured learning attempts to model high level abstractions in data by using a…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Parth Shah , Vishvajit Bakrola , Supriya Pati

Steganography is a process that hides secrete message or secrete hologram or secrete video or secrete image whose mere presence within the source data should be undetectable and use for transmitting secret information over public media.…

密码学与安全 · 计算机科学 2021-03-18 Uttam Kr. Mondal , Shamayita Pal , AmitRanjan Dutta , J. K. Mandal