Miniaturized snapshot polarization stereo imaging captures 3D details with a single camera integrating metasurface optics with AI

https://phys.org/news/2025-03-revolutionizing-3d-vision-miniaturized-snapshot.html

"no multiple polarizers/ sequential exposures... captures full-Stokes polarization data in single shot, 25 dB extinction ratio, 65% central wavelength efficiency, 1.65 × 1.65 mm² large-scale polarization metasurface... separated 6 incident light polarization states, precisely guiding each polarization component to its target position... neural network processing... circular polarization enhances surface normal accuracy (depth precision within 0.15 mm)... biomedical/ autonomous imaging, industrial inspection... AR, robotic vision"

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Real-time boundary detection from noisy images and single-shot HDR imaging expand applications
https://techxplore.com/news/2025-05-real-boundary-noisy-images-shot.html

Single-shot simultaneous intensity, phase, and polarization imaging with metasurface
https://www.eurekalert.org/news-releases/1082108