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Single-Pixel Near-Infrared 3D Image Reconstruction in Outdoor Conditions.

C Osorio Quero¹, D Durini¹, J Rangel-Magdaleno¹

¹Electronics Department, Instituto Nacional de Astrofísica, Óptica y Electrónica-INAOE, Calle Luis Enrique Erro 1, Puebla 72840, Mexico.

|May 28, 2022

Summary

This summary is machine-generated.

This study introduces a new method for generating 3D images in fog using single-pixel imaging and Time-of-Flight sensors. This approach enhances 3D vision capabilities in adverse weather conditions.

Keywords:

3D imaging Hadamard patterns NIR Shape-from-Shading (SFS)Time-of-Flight (ToF)fog single-pixel imaging (SPI)

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Area of Science:

Computer Vision
Optical Sensing
3D Imaging

Background:

Advanced vision systems struggle with 3D image capture in adverse weather.
Infrared (IR) sensors offer improved object discrimination in fog and rain due to reduced light scattering.
Existing techniques for low-visibility imaging often rely on IR spectrum sensors.

Purpose of the Study:

To propose a novel method for 3D image generation in foggy conditions.
To combine single-pixel imaging (SPI) with Time-of-Flight (ToF) at 1550 nm for active illumination.
To evaluate the performance of the proposed system in simulated adverse weather.

Main Methods:

Utilized single-pixel imaging (SPI) with active illumination.
Integrated Time-of-Flight (ToF) technique at 1550 nm wavelength for depth information.
Employed space-filling projection with compressed sensing (CS-SRCNN) for 3D image reconstruction.

Main Results:

Successfully generated 3D images in simulated foggy environments.
Demonstrated the effectiveness of the combined SPI and ToF approach.
Quantified image quality parameters under varying fog densities and illumination.

Conclusions:

The proposed SPI and ToF active illumination method enables 3D image generation in fog.
This technique shows promise for improving vision systems in challenging weather conditions.
The developed system provides a viable solution for 3D perception in low-visibility scenarios.