This letter proposes an online 4D radar-camera online calibration method (4DRC-OC) that utilizes unified depth map representations for auxiliary training, ensuring feature alignment and modal ...

Millimeter wave radar can measure distances, directions, and Doppler velocity for objects in harsh conditions such as fog. The 4D imaging radar with both vertical and horizontal data resembling an ...

This study introduces a pseudo-4D printing strategy to construct microbubble arrays to tackle light trapping in QDs films. By direct writing of QD-doped polymers, microbubbles can be gradually ...

While traditional polarimetry effectively analyzes polarization states with bulky systems, recent advances have enabled metasurfaces to serve as compact alternatives. Metalens arrays have enabled full ...