Integrated Snapshot Near-infrared Hypersepctral Imaging Framework with Diffractive Optics

TL;DR

This paper introduces an integrated near-infrared hyperspectral imaging framework combining diffractive optical elements with a neural network, achieving high spectral resolution and improved image quality in the 700-1000nm range.

Contribution

It presents a novel combined optical and computational approach for snapshot hyperspectral imaging in the near-infrared spectrum.

Findings

Achieved 700-1000nm spectral imaging with 10nm resolution

Improved PSNR by 1.47dB and SSIM by 0.006

Demonstrated effective integration of DOE with NIRSA-Net

Abstract

We propose an integrated snapshot near-infrared hyperspectral imaging framework that combines designed DOE with NIRSA-Net. The results demonstrate near-infrared spectral imaging at 700-1000nm with 10nm resolution while achieving improvement of PSNR 1.47dB and SSIM 0.006.