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Compared with conventional image and video, light field images introduce the weight channel, as well as the visual consistency of rendered view, information that has to be taken into account when compressing the pseudo-temporal-sequence…

Multimedia · Computer Science 2018-07-30 Bichuan Guo , Yuxing Han , Jiangtao Wen

In video coding, it is expected that the encoder could adaptively select the encoding parameters (e.g., quantization parameter) to optimize the bit allocation to different sources under the given constraint. However, in hybrid video coding,…

Multimedia · Computer Science 2015-11-17 Chao Wang , Xuanqin Mou , Lei Zhang

In most steganographic methods, increasing in the capacity leads to decrease in the quality of the stego-image, so in this paper, we propose to combine two existing techniques, Pixel value differencing and Gray Level Modification, to come…

Multimedia · Computer Science 2016-01-05 Mehdi Safarpour , Mostafa Charmi

The Discrete Cosine Transform (DCT) is widely used in lossy image and video compression schemes, e.g., JPEG and MPEG. In this paper, we show that the compression efficiency of the DCT is dependent on the edge directions within a block. In…

Multimedia · Computer Science 2014-11-18 Rui F. C. Guerreiro , Pedro M. Q. Aguiar

For stegoschemes arising from error correcting codes, embedding depends on a decoding map for the corresponding code. As decoding maps are usually not complete, embedding can fail. We propose a method to ensure or increase the probability…

Information Theory · Computer Science 2013-02-11 Morgan Barbier , Carlos Munuera

Image Steganography is a thriving research area of information security where secret data is embedded in images to hide its existence while getting the minimum possible statistical detectability. This paper proposes a novel magic least…

Multimedia · Computer Science 2015-06-09 Khan Muhammad , Muhammad Sajjad , Irfan Mehmood , Seungmin Rho , Sung Wook Baik

Network steganography encompasses the information hiding techniques that can be applied in communication network environments and that utilize hidden data carriers for this purpose. In this paper we introduce a characteristic called…

Multimedia · Computer Science 2014-06-11 Wojciech Mazurczyk , Steffen Wendzel , Ignacio Azagra Villares , Krzysztof Szczypiorski

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…

Cryptography and Security · Computer Science 2023-04-26 Andrew Havard , Theodore Manikas , Eric C. Larson , Mitchell A. Thornton

Steganography, the art of information hiding, has continually evolved across visual, auditory and linguistic domains, adapting to the ceaseless interplay between steganographic concealment and steganalytic revelation. This study seeks to…

Robotics · Computer Science 2025-01-09 Ching-Chun Chang , Yijie Lin , Isao Echizen

In this paper, different steganographic methods have been analyzed and implementations of those techniques have been performed. Those methods include hiding in text, hiding in audio file, hiding in file system, and hiding in image files.

Cryptography and Security · Computer Science 2011-08-11 Unal Tatar , Tolga Mataracioglu

This paper proposes an improved steganography approach for hiding text messages in lossless RGB images. The objective of this work is to increase the security level and to improve the storage capacity with compression techniques. The…

Cryptography and Security · Computer Science 2013-04-18 Ankit Chaudhary , J. Vasavada , J. L. Raheja , S. Kumar , M. Sharma

Digital image steganography requires a careful trade-off among payload capacity, visual fidelity, and statistical undetectability. Fixed-depth least significant bit embedding remains attractive because of its simplicity and high capacity,…

Cryptography and Security · Computer Science 2026-03-20 Aadi Joshi , Kavya Bhand

Holographic information hiding is a technique for embedding holograms or images into another hologram, used for copyright protection and steganography of holograms. Using deep neural networks, we offer a way to improve the visual quality of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Tomoyoshi Shimobaba , Sota Oshima , Takashi Kakue , and Tomoyoshi Ito

The paper presents a new steganographic method called RSTEG (Retransmission Steganography), which is intended for a broad class of protocols that utilises retransmission mechanisms. The main innovation of RSTEG is to not acknowledge a…

Cryptography and Security · Computer Science 2009-05-14 Wojciech Mazurczyk , Milosz Smolarczyk , Krzysztof Szczypiorski

Distortion identification and rectification in images and videos is vital for achieving good performance in downstream vision applications. Instead of relying on fixed trial-and-error based image processing pipelines, we propose a two-level…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Aditya Kapoor , Harshad Khadilkar , Jayvardhana Gubbi

Annotating nuclei in microscopy images for the training of neural networks is a laborious task that requires expert knowledge and suffers from inter- and intra-rater variability, especially in fluorescence microscopy. Generative networks…

Image and Video Processing · Electrical Eng. & Systems 2023-08-04 Jonas Utz , Tobias Weise , Maja Schlereth , Fabian Wagner , Mareike Thies , Mingxuan Gu , Stefan Uderhardt , Katharina Breininger

Data hiding with deep neural networks (DNNs) has experienced impressive successes in recent years. A prevailing scheme is to train an autoencoder, consisting of an encoding network to embed (or transform) secret messages in (or into) a…

Cryptography and Security · Computer Science 2022-10-06 Haoyu Chen , Linqi Song , Zhenxing Qian , Xinpeng Zhang , Kede Ma

Convolutional Neural Network is good at image classification. However, it is found to be vulnerable to image quality degradation. Even a small amount of distortion such as noise or blur can severely hamper the performance of these CNN…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Md Tahmid Hossain , Shyh Wei Teng , Dengsheng Zhang , Suryani Lim , Guojun Lu

In recent years, reversible data hiding (RDH), a new research hotspot in the field of information security, has been paid more and more attention by researchers. Most of the existing RDH schemes do not fully take it into account that…

Multimedia · Computer Science 2021-10-19 Yujie Jia , Zhaoxia Yin , Xinpeng Zhang , Yonglong Luo

Data steganography aims to conceal information within visual content, yet existing spatial- and frequency-domain approaches suffer from trade-offs between security, capacity, and perceptual quality. Recent advances in generative models,…

Machine Learning · Computer Science 2025-05-19 Tianshuo Zhang , Gao Jia , Wenzhe Zhai , Rui Yann , Xianglei Xing
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