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This paper presents a novel reversible data hiding (RDH) algorithm for gray-scaled images, in which the prediction-error of prediction error (PPE) of a pixel is used to carry the secret data. In the proposed method, the pixels to be…

Multimedia · Computer Science 2016-09-26 Han-Zhou Wu , Hong-Xia Wang , Yun-Qing Shi

This work proposes a high-capacity scheme for separable reversible data hiding in encrypted images. At the sender side, the original uncompressed image is encrypted using an encryption key. One or several data hiders use the MSB of some…

Cryptography and Security · Computer Science 2016-12-14 M. Hassan Najafi , David J. Lilja

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

Reversible Data Hiding (RDH) is a practical and efficient technique for information encryption. Among its methods, the Pixel-Value Ordering (PVO) algorithm and its variants primarily modify prediction errors to embed information. However,…

Cryptography and Security · Computer Science 2026-01-21 Yusen Zhang , Haoyun Xu , Jingwen Li

With the fast development of natural language processing, recent advances in information hiding focus on covertly embedding secret information into texts. These algorithms either modify a given cover text or directly generate a text…

Cryptography and Security · Computer Science 2022-08-04 Xiaoyan Zheng , Yurun Fang , Hanzhou Wu

The paper proposes a method to secure the Compressive Sensing (CS) streams. It consists in protecting part of the measurements by a secret key and inserting the code into the rest. The secret key is generated via a cryptographically secure…

Cryptography and Security · Computer Science 2025-05-30 Cristina-Elena Popa , Cristian Damian , Daniela Coltuc

In recent years, reversible data hiding has attracted much more attention than before. Reversibility signifies that the original media can be recovered without any loss from the marked media after extracting the embedded message. This paper…

Cryptography and Security · Computer Science 2011-02-09 Xu-Ren Luo , Chen-Hui Jerry Lin , Te-Lung Yin

Reversible data hiding (RDH) is desirable in applications where both the hidden message and the cover medium need to be recovered without loss. Among many RDH approaches is prediction-error expansion (PEE), containing two steps: i)…

Image and Video Processing · Electrical Eng. & Systems 2018-02-21 Qi Chang , Gene Cheung , Yao Zhao , Xiaolong Li , Rongrong Ni

Reversible data hiding in encrypted images is an effective technology for data hiding and protecting image privacy. Although there are many high-capacity methods have been presented in recent year, most of them need a pre-processing phase…

Cryptography and Security · Computer Science 2021-12-21 Lin Chen , Jianzhu Lu , Junguang Huang , Huiping Hu , Jiali Peng

As a branch of reversible data hiding (RDH), reversible data hiding in JEPG is particularly important. Because JPEG images are widely used, it is great significance to study reversible data hiding algorithm for JEPG images. The existing…

Multimedia · Computer Science 2020-11-11 Zhaoxia Yin , Hongnian Guo , Yang Du

Important document are being kept encrypted in remote servers. In order to retrieve these encrypted data, efficient search methods needed to enable the retrieval of the document without knowing the content of the documents In this paper a…

Cryptography and Security · Computer Science 2009-09-15 Maisa Halloush , Mai Sharif

This paper presents a histogram based reversible data hiding (RDH) scheme, which divides image pixels into different cell frequency bands to sort them for data embedding. Data hiding is more efficient in lower cell frequency bands because…

Image and Video Processing · Electrical Eng. & Systems 2020-10-19 Ammar Mohammadi , Mansour Nakhkash

An unsolved challenge in distributed or federated learning is to effectively mitigate privacy risks without slowing down training or reducing accuracy. In this paper, we propose TextHide aiming at addressing this challenge for natural…

Computation and Language · Computer Science 2020-10-14 Yangsibo Huang , Zhao Song , Danqi Chen , Kai Li , Sanjeev Arora

This paper describes the problem of securing data by making it disappear after some time limit, making it impossible for it to be recovered by an unauthorized party. This method is in response to the need to keep the data secured and to…

Cryptography and Security · Computer Science 2011-12-13 Prashant Pilla

In the paper "Robust reversible data hiding scheme based on two-layer embedding strategy" published in INS recently, Kumar et al. proposed a robust reversible data hiding (RRDH) scheme based on two-layer embedding. Secret data was embedded…

Multimedia · Computer Science 2022-01-25 Wen Yin , Longfei Ke , Zhaoxia Yin , Jin Tang , Bin Luo

As an essential technique for data privacy protection, reversible data hiding in encrypted images (RDHEI) methods have drawn intensive research interest in recent years. In response to the increasing demand for protecting data privacy,…

Cryptography and Security · Computer Science 2023-02-17 Yike Zhang , Wenbin Luo

Data hiding is the art of hiding secret data into a cover object such as digital image for covert communication. In this paper, we make the first step towards hiding ``data hiding'', which is totally different from many conventional works…

Cryptography and Security · Computer Science 2022-12-19 Hanzhou Wu , Gen Liu , Xinpeng Zhang

As a new generation of digital media for covert transmission, three-dimension (3D) mesh models are frequently used and distributed on the network. Facing the huge massive of network data, it is urgent to study a method to protect and store…

Multimedia · Computer Science 2022-12-20 Wanli Lv , Lulu Cheng , Zhaoxia Yin

In this paper a general framework to adopt different predictors for reversible data hiding in the encrypted image is presented. We propose innovative predictors that contribute more significantly than conventional ones results in…

Image and Video Processing · Electrical Eng. & Systems 2022-03-10 Ammar Mohammadi

With the rapid advancements in information technology, reversible data hiding over encrypted images (RDH-EI) has become essential for secure image management in cloud services. However, existing RDH-EI schemes often suffer from high…

Cryptography and Security · Computer Science 2025-02-18 Jianhui Zou , Weijia Cao , Shuang Yi , Yifeng Zheng , Zhongyun Hua