Multispectral illumination estimation using deep unrolling network

Y Li, Q Fu, W Heidrich - Proceedings of the IEEE/CVF …, 2021 - openaccess.thecvf.com
This paper examines the problem of illumination spectra estimation in multispectral images.
We cast the problem into a constrained matrix factorization problem and present a method …

Spectral reconstruction network from multispectral images to hyperspectral images: A multitemporal case

T Li, T Liu, Y Wang, X Li, Y Gu - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Hyperspectral (HS) satellite data have been widely applied in many fields due to its
numerous bands. Along with the advantages of high spectral resolution, HS satellite data …

Multi-sensor multispectral reconstruction framework based on projection and reconstruction

T Li, T Liu, X Li, Y Gu, Y Wang, Y Chen - Science China Information …, 2024 - Springer
The scarcity and low spatial resolution of hyperspectral images (HSIs) have become a major
problem limiting the application of the images. In recent years, spectral reconstruction (SR) …

Fast implementation of 4-bit convolutional neural networks for mobile devices

A Trusov, E Limonova, D Slugin… - 2020 25th …, 2021 - ieeexplore.ieee.org
Quantized low-precision neural networks are very popular because they require less
computational resources for inference and can provide high performance, which is vital for …

Beyond RGB: A Real World Dataset for Multispectral Imaging in Mobile Devices

O Glatt, Y Ater, WS Kim, S Werman… - Proceedings of the …, 2024 - openaccess.thecvf.com
Multispectral (MS) imaging systems have a wide range of applications for computer vision
and computational photography tasks, but do not yet enjoy widespread adoption due to their …

RGB color constancy using multispectral pixel information

I Erba, M Buzzelli, R Schettini - JOSA A, 2024 - opg.optica.org
Multispectral imaging is a technique that captures data across several bands of the light
spectrum, and it can be useful in many computer vision fields, including color constancy. We …

Estimation of daylight spectral power distribution from uncalibrated hyperspectral radiance images

M Czech, S Le Moan, J Hernández-Andrés… - Optics Express, 2024 - opg.optica.org
This paper introduces a novel framework for estimating the spectral power distribution of
daylight illuminants in uncalibrated hyperspectral images, particularly beneficial for drone …

Spatio-Spectral Deep Color Constancy With Multi-Band NIR

DK Han, JW Ha, JO Kim - IEEE Access, 2024 - ieeexplore.ieee.org
This paper proposes to utilize deep spatio-spectral features for color constancy, while most
conventional methods focus on only spatial information of RGB images. We propose a novel …

Improving RGB illuminant estimation exploiting spectral average radiance

I Erba, M Buzzelli, JB Thomas, JY Hardeberg… - JOSA A, 2024 - opg.optica.org
We introduce a method that enhances RGB color constancy accuracy by combining neural
network and k-means clustering techniques. Our approach stands out from previous works …

Lighting Spectral Power Distribution Estimation With RGB Camera

D Han, P Colantoni, É Dinet… - 2022 16th International …, 2022 - ieeexplore.ieee.org
This paper explores the problem of the estimation of illumination spectral power distribution
(SPD) derived both from sRGB images and a machine learning technique based on a vector …