Results 271 to 280 of about 21,428 (321)

Separable Reversible Data Hiding in Encrypted Image

IEEE Transactions on Information Forensics and Security, 2012
This work proposes a novel scheme for separable reversible data hiding in encrypted images. In the first phase, a content owner encrypts the original uncompressed image using an encryption key. Then, a data-hider may compress the least significant bits of the encrypted image using a data-hiding key to create a sparse space to accommodate some ...
Xinpeng Zhang
exaly   +2 more sources

Reversible data hiding

IEEE Transactions on Circuits and Systems for Video Technology, 2003
A novel reversible data hiding algorithm, which can recover the original image without any distortion from the marked image after the hidden data have been extracted, is presented in this paper. This algorithm utilizes the zero or the minimum points of the histogram of an image and slightly modifies the pixel grayscale values to embed data into the ...
Zhicheng Ni, Yun-Qing Shi 0001, Nirwan Ansari, Wei Su 0001   +3 more
openaire   +2 more sources

Reversible data hiding in adjacent zeros

Multimedia Systems, 2021
Data hiding techniques are used to embed information into digital objects for the purpose of copyright protection, covert communication, media notation, among other applications. Compared with traditional data hiding techniques, reversible data hiding (RDH) can restore the original digital object after extracting the hidden data.
Heba Abdel-Nabi, Ali Al-Haj 0001
openaire   +1 more source

High-Performance Reversible Data Hiding

Fundamenta Informaticae, 2008
This paper proposes a high-performance reversible data hiding algorithm based on the block difference histogram of a cover image. If a message is to be embedded into an image, the difference of the block at the maximum point is increased by 1 or left unchanged if the message bit is "1" or "0", respectively.
Ching-Chiuan Lin, Nien-Lin Hsueh, Wen-Hsiang Shen   +2 more
openaire   +3 more sources

A Reversible Data Hiding Scheme for HEVC

2017 10th International Symposium on Computational Intelligence and Design (ISCID), 2017
Many reversible data hiding schemes using quantized DCT coefficient have been proposed recently. But the big problem was most of schemes could not meet the requirement of visual quality and robustness at the same time. This paper presents a reversible data hiding scheme for HEVC (High Efficiency Video Coding).
Feng Gui, Han Xue
openaire   +1 more source

Hierarchy-based reversible data hiding

Expert Systems with Applications, 2013
In this paper, we propose a new method for reversible data hiding by employing the hierarchical relationships of original images. There are many parameters for accessing the performances of reversible data hiding algorithms, including the output image quality, the hiding capacity, and the overhead for decoding.
Hsiang-Cheh Huang, Feng-Cheng Chang
openaire   +1 more source

Reversible Data Hiding for Video

2018
Difference expansion (DE) and histogram modification (HM) are efficient ways for reversible data hiding (RDH) into digital video. In most occasions, the reversibility of an algorithm cannot be confirmed until the data extracting experiments have been carried out, it means the design of a reversible data hiding algorithm lacks theoretical guidance.
Dong Li, Yingnan Zhang, Ke Niu 0001, Xiaoyuan Yang 0002   +3 more
openaire   +1 more source

Reversibility improved lossless data hiding

Signal Processing, 2009
Recently, lossless data hiding has attracted increasing interests. As a reversible watermark scheme, the host media and hidden data should be recovered without distortion. A latest lossless data hiding technique based on image blocking and block classification has achieved good performance for image authentication.
Xinbo Gao 0001, Lingling An, Xuelong Li 0001, Dacheng Tao   +3 more
openaire   +1 more source

Steganalysis for Reversible Data Hiding

2009
In recent years, several lossless data hiding techniques have been proposed for images. Lossless data embedding can take place in the spatial domain or in the transform domain. They utilized characteristics of the difference image or the transform coefficient histogram and modify these values slightly to embed the data. However, after embedding message
Ho Thi Huong Thom, Ho Van Canh, Trinh Nhat Tien   +2 more
openaire   +1 more source

Reversible Data Hiding Scheme for Video

International Journal of Information Security and Privacy, 2019
With the exponential progression in communication technology, advanced mixed media content such as image, sound and video can be effectively duplicated and put away effortlessly without any loss in their original content. Therefore, it is distinctly critical to beat this and the need of a reasonable sort of copyright insurance framework inside the data.
T. Bhaskar, Madhu Oruganti
openaire   +1 more source