Spectral imaging with deep learning

L Huang, R Luo, X Liu, X Hao - Light: Science & Applications, 2022 - nature.com
The goal of spectral imaging is to capture the spectral signature of a target. Traditional
scanning method for spectral imaging suffers from large system volume and low image …

Compact and ultracompact spectral imagers: technology and applications in biomedical imaging

MH Tran, B Fei - Journal of biomedical optics, 2023 - spiedigitallibrary.org
Significance Spectral imaging, which includes hyperspectral and multispectral imaging, can
provide images in numerous wavelength bands within and beyond the visible light …

Handheld snapshot multi-spectral camera at tens-of-megapixel resolution

W Zhang, J Suo, K Dong, L Li, X Yuan, C Pei… - Nature …, 2023 - nature.com
Multi-spectral imaging is a fundamental tool characterizing the constituent energy of scene
radiation. However, current multi-spectral video cameras cannot scale up beyond megapixel …

Spectral DiffuserCam: lensless snapshot hyperspectral imaging with a spectral filter array

K Monakhova, K Yanny, N Aggarwal, L Waller - Optica, 2020 - opg.optica.org
Hyperspectral imaging is useful for applications ranging from medical diagnostics to
agricultural crop monitoring; however, traditional scanning hyperspectral imagers are …

Learned rotationally symmetric diffractive achromat for full-spectrum computational imaging

X Dun, H Ikoma, G Wetzstein, Z Wang, X Cheng… - Optica, 2020 - opg.optica.org
Diffractive achromats (DAs) promise ultra-thin and light-weight form factors for full-color
computational imaging systems. However, designing DAs with the optimal optical transfer …

Recurrent neural networks for snapshot compressive imaging

Z Cheng, B Chen, R Lu, Z Wang… - … on Pattern Analysis …, 2022 - ieeexplore.ieee.org
Conventional high-speed and spectral imaging systems are expensive and they usually
consume a significant amount of memory and bandwidth to save and transmit the high …

[PDF][PDF] End-to-end complex lens design with differentiable ray tracing

Q Sun, C Wang, F Qiang, D Xiong, H Wolfgang - ACM Trans. Graph, 2021 - vccimaging.org
Cameras are designed with a complicated tradeoff between image quality (eg sharpness,
contrast, color fidelity), and practical considerations such as cost, form factor, and weight …

Deep optics for single-shot high-dynamic-range imaging

CA Metzler, H Ikoma, Y Peng… - Proceedings of the …, 2020 - openaccess.thecvf.com
Abstract High-dynamic-range (HDR) imaging is crucial for many applications. Yet, acquiring
HDR images with a single shot remains a challenging problem. Whereas modern deep …

Snapshot multispectral imaging using a diffractive optical network

D Mengu, A Tabassum, M Jarrahi… - Light: Science & …, 2023 - nature.com
Multispectral imaging has been used for numerous applications in eg, environmental
monitoring, aerospace, defense, and biomedicine. Here, we present a diffractive optical …

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 …