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Reversible data hiding in encrypted domain (RDH-ED) has received tremendous attention from the research community because data can be embedded into cover media without exposing it to the third party data hider and the cover media can be…

多媒体 · 计算机科学 2019-11-19 Zhaoxia Yin , Na Xu , Feng Wang

Reversible data hiding continues to attract significant attention in recent years. In particular, an increasing number of authors focus on the higher significant bit (HSB) plane of an image which can yield more redundant space. On the other…

密码学与安全 · 计算机科学 2022-06-17 Fuhu Wu , Jian Sun , Shun Zhang , Zhili Chen , Hong Zhong

For a required payload, the existing reversible data hiding (RDH) methods always expect to reduce the embedding distortion as much as possible, such as by utilizing a well-designed predictor, taking into account the carrier-content…

多媒体 · 计算机科学 2021-10-08 Hanzhou Wu

An accurate predictor is crucial for histogram-shifting (HS) based reversible data hiding methods. The embedding capacity is increased and the embedding distortion is decreased simultaneously if the predictor can generate accurate…

多媒体 · 计算机科学 2015-07-30 Xiaochao Qu , Suah Kim , Run Cui , Hyoung Joong Kim

We propose a reversible data hiding (RDH) method in compressible encrypted images called the encryption-then-compression (EtC) images. The proposed method allows us to not only embed a payload in encrypted images but also compress the…

密码学与安全 · 计算机科学 2020-12-30 Shoko Imaizumi , Yusuke Izawa , Ryoichi Hirasawa , Hitoshi Kiya

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…

多媒体 · 计算机科学 2022-01-25 Wen Yin , Longfei Ke , Zhaoxia Yin , Jin Tang , Bin Luo

Reversible data hiding (RDH) is one special type of information hiding, by which the host sequence as well as the embedded data can be both restored from the marked sequence without loss. Beside media annotation and integrity…

计算机视觉与模式识别 · 计算机科学 2018-11-08 Dongdong Hou , Weiming Zhang , Jiayang Liu , Siyan Zhou , Dongdong Chen , Nenghai Yu

This work proposes an improved reversible data hiding scheme in encrypted images using parametric binary tree labeling(IPBTL-RDHEI), which takes advantage of the spatial correlation in the entire original image but not in small image blocks…

多媒体 · 计算机科学 2021-10-19 Youqing Wu , Youzhi Xiang , Yutang Guo , Jin Tang , Zhaoxia Yin

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,…

密码学与安全 · 计算机科学 2023-02-17 Yike Zhang , Wenbin Luo

In this paper, we propose a improved 2D-PEH based on double prediction-error. First,different from previous 2D-PEH, the proposed 2D-DPEH is established by selecting two distinct predictors with low correlation to calculate double prediction…

信息论 · 计算机科学 2023-08-30 Fangjian Shen , Yicheng Zheng , Songyou Li

JPEG is the most popular image format, which is widely used in our daily life. Therefore, reversible data hiding (RDH) for JPEG images is important. Most of the RDH schemes for JPEG images will cause significant distortions and large file…

多媒体 · 计算机科学 2021-10-19 Yang Du , Zhaoxia Yin , Xinpeng Zhang

While the existing vacating room before encryption (VRBE) based schemes can achieve decent embedding rate, the payloads of the existing vacating room after encryption (VRAE) based schemes are relatively low. To address this issue, this…

多媒体 · 计算机科学 2022-01-07 Yingqiang Qiu , Qichao Ying , Yuyan Yang , Huanqiang Zeng , Sheng Li , Zhenxing Qian

In this paper, we investigate the problem of hyperspectral (HS) image spatial super-resolution via deep learning. Particularly, we focus on how to embed the high-dimensional spatial-spectral information of HS images efficiently and…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Jinhui Hou , Zhiyu Zhu , Junhui Hou , Huanqiang Zeng , Jinjian Wu , Jiantao Zhou

Reversible data hiding in encrypted domain (RDH-ED) schemes based on symmetric or public key encryption are mainly applied to the security of end-to-end communication. Aimed at providing reliable technical supports for multi-party security…

密码学与安全 · 计算机科学 2020-10-19 Yan Ke , Minqing Zhang , Xinpeng Zhang , Jia Liu , Tingting Su , Xiaoyuan Yang

Code mapping (CM) is an efficient technique for reversible data hiding (RDH) in JPEG images, which embeds data by constructing a mapping relationship between the used and unused codes in the JPEG bitstream. This study presents a new…

多媒体 · 计算机科学 2022-07-19 Yang Du , Zhaoxia Yin

The graph embedding (GE) methods have been widely applied for dimensionality reduction of hyperspectral imagery (HSI). However, a major challenge of GE is how to choose proper neighbors for graph construction and explore the spatial…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Hong Huang , Guangyao Shi , Haibo He , Yule Duan , Fulin Luo

Deep hiding, concealing secret information using Deep Neural Networks (DNNs), can significantly increase the embedding rate and improve the efficiency of secret sharing. Existing works mainly force on designing DNNs with higher embedding…

多媒体 · 计算机科学 2023-02-24 Han Li , Hangcheng Liu , Shangwei Guo , Mingliang Zhou , Ning Wang , Tao Xiang , Tianwei Zhang

Data in mobile cloud environment are mainly transmitted via wireless noisy channels, which may result in transmission errors with a high probability due to its unreliable connectivity. For video transmission, unreliable connectivity may…

多媒体 · 计算机科学 2018-04-04 Yanli Chen , Hongxia Wang , Hanzhou Wu , Yi Chen , Asad Malik

Guided image super-resolution (GISR) aims to obtain a high-resolution (HR) target image by enhancing the spatial resolution of a low-resolution (LR) target image under the guidance of a HR image. However, previous model-based methods mainly…

图像与视频处理 · 电气工程与系统科学 2022-03-11 Man Zhou , Keyu Yan , Jinshan Pan , Wenqi Ren , Qi Xie , Xiangyong Cao

Reversible data hiding in encrypted images (RDH-EI) has attracted increasing attention, since it can protect the privacy of original images while the embedded data can be exactly extracted. Recently, some RDH-EI schemes with multiple data…

密码学与安全 · 计算机科学 2021-06-29 Zhongyun Hua , Yanxiang Wang , Shuang Yi , Yicong Zhou , Xiaohua Jia