Improved and robust spectral reflectance estimation
Accurately estimating spectral reflectance functions from color camera images is a hot
research subject that demonstrates tremendous potential for illuminating engineering and …
research subject that demonstrates tremendous potential for illuminating engineering and …
Real‐time skin chromophore estimation from hyperspectral images using a neural network
L Gevaux, J Gierschendorf, J Rengot… - Skin Research and …, 2021 - Wiley Online Library
Background Hyperspectral imaging for in vivo human skin study has shown great potential
by providing non‐invasive measurement from which information usually invisible to the …
by providing non‐invasive measurement from which information usually invisible to the …
[PDF][PDF] Reflectance estimation from snapshot multispectral images captured under unknown illumination
V Kitanovski, JB Thomas… - Color and Imaging …, 2021 - library.imaging.org
Multispectral images contain more spectral information of the scene objects compared to
color images. The captured information of the scene reflectance is affected by several …
color images. The captured information of the scene reflectance is affected by several …
Hyperspectral environmental illumination maps: characterizing directional spectral variation in natural environments
T Morimoto, S Kishigami, JMM Linhares… - Optics …, 2019 - opg.optica.org
Objects placed in real-world scenes receive incident light from every direction, and the
spectral content of this light may vary from one direction to another. In computer graphics …
spectral content of this light may vary from one direction to another. In computer graphics …
Comparison and validation of neural network models to estimate LED spectral power distribution
J Lokesh, AN Padmasali… - Lighting Research & …, 2023 - journals.sagepub.com
The spectral power distribution (SPD) is the true fingerprint of a light source and is mainly
dependent on electrical and thermal loading. Both the photometric and colorimetric …
dependent on electrical and thermal loading. Both the photometric and colorimetric …
Benefits of using TiO2 quantum dots in producing low-cost and high-quality white light-emitting diodes
Quantum dots (QDs) is considered as a potential material for the improvement of light-
emitting diodes (LEDs). However, different from the traditional phosphor materials, they have …
emitting diodes (LEDs). However, different from the traditional phosphor materials, they have …
Dataset artificial augmentation with a small number of training samples for reflectance estimation
J Zhang, Z Wang, Y He - Optics Express, 2023 - opg.optica.org
The accuracy of the spectral reflectance estimation approaches highly depends on the
amount, coverage, and representation of valid samples in the training dataset. We present a …
amount, coverage, and representation of valid samples in the training dataset. We present a …
The impacts of green LaBSiO 5: Tb 3+, Ce 3+ phosphor on lumen output of white LEDs
HT Tung, HP Dang, PT That - Bulletin of Electrical Engineering and …, 2023 - beei.org
The traditional solid-state technique was used to create LaBSiO 5 phosphors doped with Ce
3+ and Tb 3+ at 1,100 C. These phosphors' phase purity and luminous characteristics are …
3+ and Tb 3+ at 1,100 C. These phosphors' phase purity and luminous characteristics are …
White light-emitting diode daubed via CaSc 2 O 4: Ho 3+/Yb 3+ nanocrystal sheets enclosed using SiO 2
HT Tung, DAN Thi - Bulletin of Electrical Engineering and Informatics, 2024 - beei.org
Our investigation assesses the downshifting (DS), periodicity up-transmutation as well as
internal light consistency from phosphor samples of CaSc 2 O 4 incorporated with Ho 3+/Yb …
internal light consistency from phosphor samples of CaSc 2 O 4 incorporated with Ho 3+/Yb …
Hyperspectral remote sensing image classification based on random average band selection and an ensemble kernel extreme learning machine
BT Le, TTL Ha - Applied Optics, 2020 - opg.optica.org
Hyperspectral remote sensing technology can explore a lot of information about ground
objects, and the information is not explored in multispectral technology. This study proposes …
objects, and the information is not explored in multispectral technology. This study proposes …