Rawhdr: High dynamic range image reconstruction from a single raw image

Y Zou, C Yan, Y Fu - Proceedings of the IEEE/CVF …, 2023 - openaccess.thecvf.com
High dynamic range (HDR) images can record much more intensity levels than usual ones.
Existing methods mainly reconstruct HDR images from the 8-bit low dynamic range (LDR) …

Snapshot multispectral imaging using a pixel-wise polarization color image sensor

S Ono - Optics Express, 2020 - opg.optica.org
This study proposes a new imaging technique for snapshot multispectral imaging in which a
multispectral image was captured using an imaging lens that combines a set of multiple …

Multifocus HDR VIS/NIR hyperspectral imaging and its application to works of art

MÁ Martínez, EM Valero, JL Nieves, R Blanc… - Optics …, 2019 - opg.optica.org
This paper presents a complete framework for capturing and processing hyperspectral
reflectance images of artworks in situ, using a hyperspectral line scanner. These capturing …

Semantic segmentation of natural materials on a point cloud using spatial and multispectral features

JM Jurado, JL Cárdenas, CJ Ogayar, L Ortega… - Sensors, 2020 - mdpi.com
The characterization of natural spaces by the precise observation of their material properties
is highly demanded in remote sensing and computer vision. The production of novel sensors …

Relationship between reflectance and degree of polarization in the VNIR-SWIR: A case study on art paintings with polarimetric reflectance imaging spectroscopy

F Grillini, L Aksas, PJ Lapray, A Foulonneau… - Plos one, 2024 - journals.plos.org
We study the relationship between reflectance and the degree of linear polarization of
radiation that bounces off the surface of an unvarnished oil painting. We design a VNIR …

Method for reconstructing a high dynamic range image based on a single-shot filtered low dynamic range image

B Liang, D Weng, Y Bao, Z Tu, L Luo - Optics Express, 2020 - opg.optica.org
Traditional cameras are limited by sensors and cannot directly capture single-shot high
dynamic range (HDR) images. We propose an improved single-shot HDR image …

[HTML][HTML] High-dynamic-range spectral imaging system for omnidirectional scene capture

K Hirai, N Osawa, M Hori, T Horiuchi, S Tominaga - Journal of Imaging, 2018 - mdpi.com
Omnidirectional imaging technology has been widely used for scene archiving. It has been a
crucial technology in many fields including computer vision, image analysis and virtual …

Parameter-based imaging from passive multispectral polarimetric measurements

H Zhan, DG Voelz, M Kupinski - Optics Express, 2019 - opg.optica.org
A modified pBRDF model with a diffuse scattering component is applied to estimate the
complex refractive index, slope variance roughness, and diffuse scattering coefficients of …

Comparing analysis of multispectral and polarimetric imaging for mid-infrared detection blindness condition

H Zhao, Y Li, G Jia, N Li, Z Ji, J Gu - Applied Optics, 2018 - opg.optica.org
When detection blindness occurs due to thermal crossover for conventional broadband mid-
infrared (IR) imaging, multispectral and polarimetric imaging present their advantages in …

Advanced textile image analysis based on multispectral colour reproduction

P Yao - 2022 - theses.lib.polyu.edu.hk
In this study, multispectral colour reproduction methods are investigated using textile
images. Accurate colour reproduction of textile is crucial for the industry in terms of colour …