Nanowerk

Nanostructured material changes color and texture like an octopus

Researchers have developed a flexible material that can quickly change its surface texture and colors, offering potential ...
Nanowerk

Metasurface chip turns 3D coordinates into encryption keys for holographic storage

A chip smaller than one square millimeter stores 160 holographic images at arbitrary 3D coordinates, with each spatial ...
IEEE

A Universal Framework for Reversible Data Hiding in Encrypted Images With Multiple Hiders

Abstract: Recently, Reversible Data Hiding in Encrypted Images with Multiple Hiders (RDHEI-MH) has attracted the attention of researchers, as it can satisfy the requirements of multiparty embedding.
IEEE

High-Capacity Reversible Data Hiding in Encrypted Images With Edge-Directed Prediction and Adaptive Entropy Coding

Abstract: As cloud services rapidly evolve and the demand for privacy protection grows, reversible data hiding in encrypted images (RDHEI) has gained significant attention. To enhance the data ...