Asymmetric Optical Cryptosystem with Secret-Key Sharing Based on Coherent Superposition and Normalized Decomposition

Physics, Optics, Engineering, Electrical Engineering, Information Science, Electronic Information,
optical encryption   multiple image encryption   secret image sharing   phase-only mask   normalized decomposition  

Asymmetric Optical Cryptosystem Based on Coherent Superposition and Normalized Decomposition Background Introduction With the growing demand for information security, optical image encryption technology has attracted significant attention over the past three decades. This technology leverages various degrees of freedom of light (such as amplitude, ...

Fabrication of WO₂I₂/Poly O-Amino Thiophenol Porous Spherical-Nanocomposite for Photodetector Applications

Physics, Optics, Chemistry, Nanoscience, Materials Chemistry, Engineering, Electrical Engineering, Materials Science,
nanocomposite   photodetector   optical absorbance   porous material   photoelectric performance  

Fabrication of WO₂I₂/Poly(o-Aminothiophenol) Porous Spherical Nanocomposite and Its Application in Photodetectors Background Introduction In recent years, photodetectors have garnered significant attention due to their wide applications in fields such as lighting and aerospace technology. However, traditional metal oxide-based photodetectors often ...

Self-Supervised Shutter Unrolling with Events

Engineering, Electrical Engineering, Information Science, Electronic Information, Computer Science, Artificial Intelligence,
rolling shutter correction   event camera   self-supervised learning   continuous-time global shutter   video recovery  

Event Camera-Based Self-Supervised Shutter Unrolling Method Research Background and Problem Statement In the field of computer vision, recovering undistorted global shutter (GS) videos from rolling shutter (RS) images has been a highly challenging problem. RS cameras, due to their row-by-row exposure mechanism, are prone to spatial distortions (e.g...

Lidar-guided Geometric Pretraining for Vision-centric 3D Object Detection

Lidar-guided Geometric Pretraining for Vision-centric 3D Object Detection

Chemistry, Nanoscience, Engineering, Mechanical Engineering, Ocean Engineering, Transportation Engineering, Electrical Engineering, Information Science, Computer Science, Artificial Intelligence,
3D object detection   geometric pretraining   vision-centric   autonomous driving   cross-modal   knowledge distillation   Lidar  

Lidar-Guided Geometric Pretraining Enhances Performance of Vision-Centric 3D Object Detection Background Introduction In recent years, multi-camera 3D object detection has garnered significant attention in the field of autonomous driving. However, vision-based methods still face challenges in precisely extracting geometric information from RGB imag...

Free-Electron Resonance Transition Radiation via Brewster Randomness

Physics, Electromagnetism, Optics, Chemistry, Nanoscience, Engineering, Electrical Engineering,
Free-electron radiation   Brewster effect   Resonance transition radiation   Random media   Laser  

Study on Free-Electron Resonance Transition Radiation via Brewster Randomness Academic Background Free-electron radiation, such as Cherenkov radiation and transition radiation, is a fundamental mechanism of light emission when electrons interact with media. These phenomena have wide-ranging applications in nuclear physics, cosmology, electron micro...