Filters








267 Hits in 5.7 sec

Robust RDH Technique Using Sorting and IPVO-Based Pairwise PEE for Secure Communication

Aruna Malik, Rajeev Kumar
2022 International Journal of System Dynamics Applications  
High fidelity improved pixel value ordering (IPVO) based pairwise embedding ensures that the embedding performance of the proposed method is improved.  ...  Nowadays, Reversible Data Hiding (RDH) is used extensively in information sensitive communication domains to protect the integrity of hidden data and the cover medium.  ...  High fidelity improved pixel value ordering (IPVO) based pairwise embedding ensures that the embedding performance of the proposed method is improved. The rest of paper is organized as follows.  ... 
doi:10.4018/ijsda.20220701.oa6 fatcat:pujgmaze7ze73npb2wpzvzrasq

A Low Distortion Reversible Data Hiding Technique Using Improved PPVO Predictor

Neethu Thomas, Shiney Thomas
2016 Procedia Technology - Elsevier  
This work extends a recently proposed reversible data hiding (RDH) scheme of Qu et al. which is based on pixel-based pixelvalue-ordering(PPVO) and prediction-error expansion. In Qu et al.'  ...  Reversible data hiding is a technique that embeds additional information into some distortion-unacceptable cover media, such as military images, in a reversible manner so that the original cover image  ...  [9] proposed a high-fidelity reversible data hiding method. A pixel value ordering (PVO) predictor was combined with PEE, and impressive performance was achieved.  ... 
doi:10.1016/j.protcy.2016.05.132 fatcat:iygdbvyo65curnpg3fixeufnbm

High capacity reversible data hiding based on histogram shifting and non-local means

V. Conotter, G. Boato, M. Carli, K. Egiazarian
2009 2009 International Workshop on Local and Non-Local Approximation in Image Processing  
In this paper we propose a new reversible data hiding framework which applies prediction in the embedding procedure by suitably modifying the prediction errors and exploits non-local similarity in the  ...  This results in a scheme which can be jointly used with different predictors and allows reaching high embedding capacity while preserving a high image quality.  ...  A pioneering work on reversible data hiding is [ An important class of methods is the so-called difference expansion based reversible techniques.  ... 
doi:10.1109/lnla.2009.5278392 fatcat:lnypaakm4fbmlhpih7dh2zvuku

Privacy-Preserving Reversible Information Hiding Based on Arithmetic of Quadratic Residues

Ching-Chun Chang, Chang-Tsun Li, Kaimeng Chen
2019 IEEE Access  
The experimental results showed significant improvements over the state-of-the-art methods with regard to capacity, fidelity, and reversibility.  ...  INDEX TERMS Cloud computing, data privacy, information hiding, number theory, symmetric ciphers.  ...  In this paper, we present a novel privacy-preserving reversible information hiding scheme to operate encrypted data based upon the theory of quadratic residue [16] .  ... 
doi:10.1109/access.2019.2908924 fatcat:32v2fc4rdzb5rmsmebkqiwgkj4

High‐quality reversible data hiding scheme using sorting and enhanced pairwise PEE

Gurjinder Kaur, Samayveer Singh, Rajneesh Rani, Rajeev Kumar, Aruna Malik
2021 IET Image Processing  
The pixels of each set are sorted in an increasing order of their rhombus mean followed by a two-pass data embedding by dividing the sets into 1 × 3 size blocks based on some predefined criteria.  ...  This paper proposes a novel reversible data hiding (RDH) technique using sorting and pairwise prediction error expansion (PEE) to improve embedding capacity (EC) while retaining the quality of cover image  ...  Pairwise embedding has been further incorporated with PVO [13] , that is itself a high-fidelity mechanism for data hiding.  ... 
doi:10.1049/ipr2.12212 fatcat:hwthr42ubrgsdogfn7vp6ibtgq

Reversible data hiding with context modeling, generalized expansion and boundary map

Wei Fan, Zhenyong Chen, Ming Chen, Lixin Luo, Zhang Xiong
2010 Multimedia tools and applications  
This paper proposes a reversible data hiding scheme with high capacitydistortion efficiency, which embeds data by expanding prediction-errors.  ...  The reversible data hiding is one type of fragile data hiding and any slight modification to the host with data hided leads to the data extraction failure and the original one is not able to be recovered  ...  The authors would like to thank the anonymous reviewers for their valuable comments to improve the quality of the paper.  ... 
doi:10.1007/s11042-010-0641-9 fatcat:4usmkgds5jc6pfm3oiqdtb7iwm

Hybrid Predictor and Field-Biased Context Pixel Selection Based on PPVO

Hongyin Xiang, Jinsha Yuan, Sizu Hou
2016 Mathematical Problems in Engineering  
It also outperforms some other state-of-the-art methods of reversible data hiding, especially for moderate and large payloads.  ...  Most pixel-value-ordering (PVO) predictors generated prediction-errors including −1 and 1 in a block-by-block manner.  ...  Acknowledgments This work was supported by National Natural Science Foundation of China (no. 61302106 and no. 61201393), the Fundamental Research Funds for the Central Universities (no. 2014MS105 and no  ... 
doi:10.1155/2016/2585983 fatcat:j7p7m2gi3bbapegqkio7lxnez4

Reversible Data Hiding in Encrypted Images Based on Adaptive Prediction-error Label Map

Yu Ren, Jiaohua Qin, Yun Tan, Neal N. Xiong
2022 Intelligent Automation and Soft Computing  
In the field of reversible data hiding in encrypted images (RDH-EI), predict an image effectively and embed a message into the image with lower distortion are two crucial aspects.  ...  Then, the pixels selection method based on gradient of image is designed to train the parameters of the prediction model.  ...  [20] proposed dynamic predictor by introducing a dynamic pixels value ordering (D-PVO) method into dynamic prediction and expansion (DPE). To obtain high data embedding ability, Chen et al.  ... 
doi:10.32604/iasc.2022.025485 fatcat:bshozwotovgirdjs7aecrqs5g4

New Approach for Reversible Data Hiding Using Visual Cryptography

Shruti M. Rakhunde, Archana A. Nikose
2014 2014 International Conference on Computational Intelligence and Communication Networks  
By reversing the order of encryption and data hiding we overcome the difficulty of finding the room for data from already encrypted image.  ...  This paper gives a review on various reversible data hiding techniques and also proposes a novel approach for reversible data hiding using visual cryptography.  ...  By reversing the order of encryption and data hiding we overcome the difficulty of finding the room for data from already encrypted image.  ... 
doi:10.1109/cicn.2014.180 fatcat:7bszxdopwbgjdobjyze2enpnmq

An Efficient Prediction-and-Shifting Embedding Technique for High Quality Reversible Data Hiding

Wien Hong
2010 EURASIP Journal on Advances in Signal Processing  
In this paper, a novel coding method for reversible data hiding is presented.  ...  reversible data hiding techniques.  ...  In this paper, a novel reversible data hiding method based on PSE is proposed.  ... 
doi:10.1155/2010/104835 fatcat:lwaw24x5wvc2rcmsokolszfcva

Non-integer Expansion Embedding for Prediction-Based Reversible Watermarking [chapter]

Shangyi Liu, Shijun Xiang
2015 Lecture Notes in Computer Science  
This paper aims at reducing the embedding distortion by improving predictor's performance for prediction-error expansion (PE) based reversible watermarking.  ...  More importantly, the NIPE scheme allows the predictor to estimate the current pixel/sample not restricted only past pixels/samples.  ...  The author would like to thank the reviewer's professional suggestions for improving this paper.  ... 
doi:10.1007/978-3-319-19321-2_41 fatcat:dcbunzpxubcnjizffjtqn2kjkq

A novel Diamond-Mean predictor for reversible watermarking of images

Muhammad Ishtiaq, Arfan Jaffar
2017 Journal of Applied Research and Technology  
The D-Mean predictor uses only D-4 neighbors of a pixel, i.e. pixels located at {east, west, north, south}.  ...  Prediction error expansion (PEE) is state of the art technique for RW. Performance of PEE methods depends on the predictor's ability to accurately estimate image pixels.  ...  Acknowledgements First author would like to thank Higher Education Commission, Pakistan for funding a PhD fellowship under indigenous scheme through the grant no. 074-0941-PS4-070.  ... 
doi:10.1016/j.jart.2017.06.001 fatcat:aw76iftavjhhrivuwuma4bcnwa

A Block Mean Insertion and Dual Stego Generation Based Embedding Strategy

Md. Habibur Rahman, A. H. M. Kamal
2021 Journal of Computer and Communications  
In reversible data hiding, pixel value ordering is an up-to-the-minute research idea in the field of data hiding.  ...  In each block, it first orders these two pixels and then measures the average value. The average value is placed in the middle of these two pixels.  ...  After ensuring high capacity, the process of maximizing the dif-ference values between neighboring pixels is applicable to information hiding and reversible data hiding method [16] .  ... 
doi:10.4236/jcc.2021.93005 fatcat:wmzv6bul55bw5kdeqrklogp7ze

New Reversible Data Hiding Algorithm Based on Edge Detection and PVO Mechanisms

Thai-Son Nguyen, Hoang-Nam Tram
2022 Journal of Communication and Information Systems  
This paper presents a new reversible data hiding scheme based on the combination of edge detection and pixel value ordering mechanism is proposed.  ...  Reversible data hiding technique is able to restore the cover data exactly after data extraction.  ...  Pixel-based pixel value ordering predictor for highfidelity reversible data hiding scheme In [12] , the EC of PVO-based scheme is limited; the main reason is that only two pixels in the block are utilized  ... 
doi:10.14209/jcis.2022.8 fatcat:afgaf6oj2ndbdgzinl2p4z4djy

Obtuse Angle Prediction and Factor Evaluation for Image Reversible Data Hiding

Hongyin Xiang, Jinsha Yuan, Sizu Hou
2017 Mathematical Problems in Engineering  
A pixel-based pixel-value-ordering (PPVO) has been used for reversible data hiding to generate large embedding capacity and high-fidelity marked images.  ...  Moreover, for evaluating prediction power, a mathematical model is constructed and three factors, including the context vector dimension, the maximum prediction angle, and the current pixel location, are  ...  Acknowledgments This work was supported by National Natural Science Foundation of China (no. 61302106 and no. 61201393), the Fundamental Research Funds for the Central Universities (no. 2014MS105 and no  ... 
doi:10.1155/2017/8069792 fatcat:dvl35b7aandnjkzyqzfgpkozhm
« Previous Showing results 1 — 15 out of 267 results