Single-shot hyperspectral-depth imaging with learned diffractive optics

SH Baek, H Ikoma, DS Jeon, Y Li… - Proceedings of the …, 2021 - openaccess.thecvf.com
Imaging depth and spectrum have been extensively studied in isolation from each other for
decades. Recently, hyperspectral-depth (HS-D) imaging emerges to capture both …

End-to-end metasurface inverse design for single-shot multi-channel imaging

Z Lin, R Pestourie, C Roques-Carmes, Z Li… - Optics express, 2022 - opg.optica.org
We introduce end-to-end inverse design for multi-channel imaging, in which a nanophotonic
frontend is optimized in conjunction with an image-processing backend to extract depth …

Snapshot compressive ToF+ spectral imaging via optimized color-coded apertures

H Rueda-Chacon, JF Florez-Ospina… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
Compressive multispectral imaging systems comprise a new generation of spectral imagers
that capture coded projections of a scene where spectral data cubes are reconstructed …

Snapshot compressive spectral depth imaging from coded aberrations

M Marquez, P Meza, F Rojas, H Arguello, E Vera - Optics Express, 2021 - opg.optica.org
Compressive spectral depth imaging (CSDI) is an emerging technology aiming to
reconstruct spectral and depth information of a scene from a limited set of two-dimensional …

Compressive spectral light field image reconstruction via online tensor representation

M Marquez, H Rueda-Chacon… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In recent years there has been an increasing interest in sensing devices that capture
multidimensional information such as the spectral light field (SLF) images, which are 5 …

Compressive spectral imaging system for soil classification with three-dimensional convolutional neural network

Y Yu, T Xu, Z Shen, Y Zhang, X Wang - Optics Express, 2019 - opg.optica.org
Compressive spectral imaging systems have promising applications in the field of object
classification. However, for soil classification problem, conventional methods addressing this …

Learning Time-multiplexed phase-coded apertures for snapshot spectral-depth imaging

E Vargas, H Rueda-Chacón, H Arguello - Optics Express, 2023 - opg.optica.org
Depth and spectral imaging are essential technologies for a myriad of applications but have
been conventionally studied as individual problems. Recent efforts have been made to …

High zoom ratio foveated snapshot hyperspectral imaging for fruit pest monitoring

Y Hu, J Chang, Y Li, W Zhang, X Lai… - Journal of …, 2023 - Wiley Online Library
Snapshot hyperspectral imaging technology is increasingly used in agricultural product
monitoring. In this study, we present a 9× local zoom snapshot hyperspectral imaging …

[HTML][HTML] Snapshot compressive spectral-depth imaging based on light field

X Ding, QQ Yan, L Hu, S Zhou, R Wei, X Wang… - EURASIP Journal on …, 2022 - Springer
This paper proposes a snapshot Compressed Light Field Imaging Spectrometer based on
compressed sensing and light field concept, which can acquire the two-dimensional spatial …

Single aperture spectral+ ToF compressive camera: toward hyperspectral+ depth imagery

H Rueda, C Fu, DL Lau, GR Arce - IEEE Journal of Selected …, 2017 - ieeexplore.ieee.org
Spectral imaging involves the sensing of a large amount of spatial information across a
multitude of wavelengths. Conventional approaches rely on scanning techniques to …