Schematics of a VDO-empowered NLOS imaging system. (IMAGE)
Caption
Our proposed NLOS system with VDO improves upon the traditional approach by modulating both the wavefront and polarization of light. This dual-modulation technique significantly boosts the SNR and enhances the quality of image reconstruction, especially for complex scenarios such as multiple targets, with a random turbulent phase plate and polarization-sensitive screen. HOPS: higher-order Poincaré sphere; SPAD: single-photon avalanche diode; θ1: the angle of incidence of the light beam; θ2: the polarization angle; s: S polarization; p: P polarization; S: polarization state in the Poincaré sphere; x, y, and z: Cartesian coordinate axis.
Credit
Yinghui Guo et al.
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License
CC BY-NC-ND