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A generalized pixel value ordering data hiding with adaptive embedding capability

The Journal of Supercomputing, 2019
In this paper, we proposed an improvisation to Li et al.’s pixel value ordering (PVO) method and called it as generalized PVO (GePVO), which provides a suitable expansion strategy using the image redundancy more abundantly. GePVO makes use of a reference pixel and calculates prediction errors using both sides of the block in different modes (one-way ...
Chin-Feng Lee   +4 more
openaire   +1 more source

A Pixel Value Ordering Predictor for High-Capacity Reversible Data Hiding

2016 International Conference on Networking and Network Applications (NaNA), 2016
Reversible data hiding (RDH), also known as lossless data embedding, is increasingly attracting more attentions of academic and industry researchers intrigued by their affordances and reach. Recently, various pixel value ordering (PVO) predictors for RDH methods with remarkable embedding performance have been proposed. These PVO-based schemes have good
Chin-Feng Lee, Yu-Ju Tseng
openaire   +1 more source

High-fidelity reversible data hiding by Quadtree-based pixel value ordering

Multimedia Tools and Applications, 2018
Recently, the pixel value ordering (PVO) method has received a great deal of attention in the field of high-fidelity reversible data hiding. To improve the embedding performance of the PVO-based method, a quadtree-based pixel value ordering (QPVO) method based on dynamic quadtree partition is proposed in this paper. Instead of using equal-sized blocks,
Fuqiang Di   +3 more
openaire   +1 more source

Overlapping pixel value ordering predictor for high-capacity reversible data hiding

Journal of Real-Time Image Processing, 2019
In recent years, many reversible information hiding methods have been proposed. Among them, the pixel value ordering (PVO) method can be used to create high-fidelity camouflage images under good embedding capacity. The original PVO method adopted the block-by-block manner, and each block could embed only 2 bits. In this study, we propose an overlapping
Chin-Feng Lee   +3 more
openaire   +1 more source

An Improved Reversible Watermarking Based on Pixel Value Ordering and Prediction Error Expansion

2020
In this paper, a new pixel value ordering (PVO) and prediction error Expansion (PEE) based reversible watermarking method is proposed. PVO based method firstly introduced by Li et al.’s has been concerned and expanded because it can achieve high embedding capacity without losing the implication of the cover.
Le Quang Hoa   +3 more
openaire   +1 more source

Improved Pairwise Pixel-Value-Ordering for High-Fidelity Reversible Data Hiding

2018 25th IEEE International Conference on Image Processing (ICIP), 2018
Pixel-value-ordering (PVO) appears as an efficient technique for high-fidelity reversible data hiding. This paper proposes a reversible data hiding scheme based on the pairwise PVO framework with improved difference equations. Both the pixel pair selection and the embedding algorithms are also streamlined.
Ioan-Catalin Dragoi   +2 more
openaire   +1 more source

A Survey of Reversible Data Hiding Schemes Based on Pixel Value Ordering

2016 Nicograph International (NicoInt), 2016
Recently, a novel reversible data hiding method based on pixel value ordering, also called PVO, has been widespread concerned by the researchers in the field of data hiding, because the incorporation of PVO-based reversible data hiding reduces pixels modification, and thus it can contribute in the high fidelity of image quality.
Chin-Feng Lee   +3 more
openaire   +1 more source

A Novel Revesible Data Hiding based on Improved Pixel Value Ordering Method

Research and Development on Information and Communication Technology, 2022
Reversible data hiding based on the preservationof sorted pixel value ordering (PVO) technique has beenresearched and expanded recently due to its high embeddingcapacity and good image quality. secret data is always embedded in the largest or smallest pixel of the sub-block. Thus,each sub-block will embed two bits.
Thi Luyen Cao   +2 more
openaire   +1 more source

Modified Pixel Value Ordering-based Predictor for Reversible Data Hiding on Video

2021 9th International Conference on Information and Communication Technology (ICoICT), 2021
Communication security has become an issue where massive data exchanges take place. Hiding personal data in a particular file during transmission can be a possible way to protect those data. Nevertheless, some parameters, such as stego file quality and the data capacity, are still challenging.
Tohari Ahmad   +2 more
openaire   +1 more source

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