Results 41 to 50 of about 21,227 (324)

A Review Paper on Data Hiding in Encrypted Image by Reversible Image Transformation [PDF]

open access: yes, 2016
Presently, a new reversible image transformation technique is proposed, this technique not only enhances the quality of the encrypted image but also it can restore the secret image in lossless manner. Furthermore, is delegate data to the cloud. Therefore,
Awati, M. C. (Mr), Khot, M. A. (Mr)
core   +1 more source

A novel reversible data hiding based on adaptive block‐partition and payload‐allocation method

open access: yesIET Image Processing, 2021
A reversible data hiding method based on partition is researched because it can effectively reduce shifting distortion in given embedding capacity. However, traditional partition is to divide an image into equal‐sized blocks, which cannot be divided ...
Yang Yang   +3 more
doaj   +1 more source

Improving preprocessing in reversible data hiding based on contrast enhancement

open access: yesJournal of King Saud University: Computer and Information Sciences, 2022
In this paper, we propose an improvement in the preprocessing stage of the reversible data hiding method based on contrast enhancement applied to grayscale digital images. In conventional proposals, the preprocessing stage plays a fundamental role in the
Diana Nuñez-Ramirez   +2 more
doaj   +1 more source

Efficient Reversible Data Hiding Scheme for AMBTC-Compressed Images

open access: yesApplied Sciences, 2021
Reversible data hiding has attracted significant attention from researchers because it can extract an embedded secret message correctly and recover a cover image without distortion.
Chia-Chen Lin   +3 more
doaj   +1 more source

Overview of molecular signatures of senescence and associated resources: pros and cons

open access: yesFEBS Open Bio, EarlyView.
Cells can enter a stress response state termed cellular senescence that is involved in various diseases and aging. Detecting these cells is challenging due to the lack of universal biomarkers. This review presents the current state of senescence identification, from biomarkers to molecular signatures, compares tools and approaches, and highlights ...
Orestis A. Ntintas   +6 more
wiley   +1 more source

Very fast watermarking by reversible contrast mapping

open access: yes, 2006
Reversible contrast mapping (RCM) is a simple integer transform that applies to pairs of pixels. For some pairs of pixels, RCM is invertible, even if the least significant bits (LSBs) of the transformed pixels are lost.
Chassery, Jean-Marc, Coltuc, Dinu
core   +4 more sources

Evaluation of a novel EHR sidecar application to display RA clinical outcomes during clinic visits: results of a stepped‐wedge cluster randomized pragmatic trial

open access: yesArthritis Care &Research, Accepted Article.
Objective We developed a novel EHR sidecar application to visualize key rheumatoid arthritis (RA) outcomes, including disease activity, physical function, and pain, via a patient‐facing graphical interface designed for use during outpatient visits (“RA PRO dashboard”).
Gabriela Schmajuk   +16 more
wiley   +1 more source

Reversible Data Hiding scheme using modified Histogram Shifting in Encrypted Images for Bio-medical images [PDF]

open access: yes, 2018
Existing Least Significant Bit (LSB) steganography system is less robust and the stego-images can be corrupted easily by attackers. To overcome these problems Reversible data hiding (RDH) techniques are used.
Arunkumar, S   +2 more
core  

Reversible Data Hiding Based on Improved Multilevel Histogram Modification of Pixel Differences [PDF]

open access: yes
[[abstract]]The technique of reversible data hiding recovers the original image without distortion from a stego-image after the hidden data have been extracted.
Hung, Kuo-Ming
core   +1 more source

Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai   +8 more
wiley   +1 more source

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