Results 91 to 100 of about 3,418 (298)

Room‐Temperature Skyrmionic Synapse in 2D Ferromagnet Fe3GaTe2 Operating via Collective Spin Texture Transformation

open access: yesAdvanced Materials, EarlyView.
We demonstrate a neuromorphic synapse in 2D Fe3GaTe2 flakes. The device operates via a current‐driven transformation from a skyrmion‐lattice to a stripe‐domain state, yielding a linear anomalous Hall resistance response with a tunable slope to enable multiply‐accumulate operations. Simulations confirm its viability in artificial neural networks.
Jixiang Huang   +20 more
wiley   +1 more source

Data Hiding Based on the Similarity between Neighboring Pixels with Reversibility, [PDF]

open access: yes, 2009
[[abstract]]The technique of reversible data hiding recovers the original image from a stego-image without distortion after the hidden data are extracted. A natural image usually contains several smooth areas.
Li, Y. C.;Chang, C. C.;Yeh, C. M.
core  

Viral Infection‐Inspired Autonomous Detection of Fusion‐Competent Viruses for Screening and Environmental Surveillance

open access: yesAdvanced Materials, EarlyView.
Inspired by viral entry mechanisms, the FUSION assay enables autonomous detection of respiratory viruses via membrane fusion–triggered CRISPR‐Cas13a activation. VEACON selectively fuses with fusion‐competent viruses, triggering fluorescence within confined vesicles.
Jae Chul Park   +15 more
wiley   +1 more source

Steganography-based secret and reliable communications: Improving steganographic capacity and imperceptibility [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Unlike encryption, steganography hides the very existence of secret information rather than hiding its meaning only.
Al-Mohammad, Adel
core  

Inverse Design of Amorphous Materials With Targeted Properties

open access: yesAdvanced Materials, EarlyView.
AMDEN is a diffusion model framework for the inverse design of amorphous materials with targeted properties. By incorporating Hamiltonian Monte Carlo refinement into the denoising process, the framework overcomes the challenge of generating thermally relaxed disordered structures.
Jonas A. Finkler   +4 more
wiley   +1 more source

Novel reversible data hiding based on difference expansion

open access: yesTongxin xuebao, 2016
A novel reversible data hiding algorithm based on difference expansion called ACD was proposed, which used the so-called adaptive change direction technology. ACD embeds data by expanding the differences of neighboring pixel values.
Jian-gao LUO, Guo-qiang HAN, Yan WO
doaj   +2 more sources

Commutative reversible data hiding and encryption

open access: yesSecurity and Communication Networks, 2013
ABSTRACTThis work proposes a novel scheme of commutative reversible data hiding and encryption. In encryption part, the gray values of two neighboring pixels are masked by same pseudo‐random bits. In data‐hiding part, the additional data are embedded into various bit planes with a reversible manner, and a parameter optimization method based on a ...
openaire   +1 more source

Reversible watermarking scheme with image-independent embedding capacity [PDF]

open access: yes
Permanent distortion is one of the main drawbacks of all the irreversible watermarking schemes. Attempts to recover the original signal after the signal passing the authentication process are being made starting just a few years ago. Some common problems,
Li, Chang-Tsun
core  

(k, n)-Image Reversible Data Hiding [PDF]

open access: yes, 2018
In the past years, information security techniques have been proposed extensively, e.g., cryptography, secret sharing, data hiding, and so on. Different techniques have their own advantages and disadvantages. For example, the secret data can be encrypted
黃英軒, Ying-Hsuan Huang
core  

Miniature Soft Robot With Magnetically Reprogrammable Surgical Functions

open access: yesAdvanced Materials, EarlyView.
Miniature soft robots have great prospects to revolutionize minimally invasive treatments. Here we present a miniature soft robot, which can be reprogrammed to perform five surgical functionalities with six‐degrees‐of‐freedom motions. This soft robot can prospectively make minimally invasive surgery considerably safer and painless, and enable ...
Chelsea Shan Xian Ng   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy