Abstract: The beam scanning range and precision are limited by the low quantization accuracy of traditional space-coding metasurfaces. Aiming at this problem, we ...

Abstract: Reversible data hiding in encrypted images (RDHEI) is an effective technology of protecting private data. In this paper, a high-capacity RDHEI method with ...

ThreatsDay Bulletin covers stealthy attack trends, evolving phishing tactics, supply chain risks, and how familiar tools are ...