Angle of linear polarization images of outdoor scenes

M Kupinski, C Bradley, D Diner, F Xu… - Optical …, 2019 - spiedigitallibrary.org
Observations from the Ground-based Multiangle SpectroPolarimetric Imager (GroundMSPI)
are used to relate angle of linear polarization (AoLP) measurements to material properties …

Calibration and validation of airborne multiangle spectropolarimetric imager (AirMSPI) polarization measurements

G Van Harten, DJ Diner, BJS Daugherty… - Applied …, 2018 - opg.optica.org
The Airborne Multiangle SpectroPolarimetric Imager (AirMSPI), a precursor to the future
Multi-Angle Imager for Aerosols satellite instrument, is a remote-sensing instrument for the …

Adapting the HSV polarization-color mapping for regions with low irradiance and high polarization

JS Tyo, BM Ratliff, AS Alenin - Optics letters, 2016 - opg.optica.org
Many mappings from polarization into color have been developed so that polarization
information can be displayed. One of the most common of these maps the angle of linear …

Optimal bandwidth micropolarizer arrays

AS Alenin, IJ Vaughn, JS Tyo - Optics letters, 2017 - opg.optica.org
Currently, the best performing micropolarizer array is the 2× 4 pattern introduced by
LeMaster and Hirakawa. In this Letter, we extend the available set of patterns with the aim of …

A new method to estimate the leaf chlorophyll content from multiangular measurements: Anisotropy index

Z Sun, S Lu, K Omasa - IEEE Transactions on Geoscience and …, 2023 - ieeexplore.ieee.org
Anisotropy index (ANIX), which is defined as the ratio between the maximum and minimum
reflectance factors in the principal plane, has been applied in characterizing the optical …

Review of visualization methods for passive polarization imaging

AW Kruse, AS Alenin, JS Tyo - Optical Engineering, 2019 - spiedigitallibrary.org
Collected sources for the different types of visualizations used in the field of polarization
imaging are not extensive. Here, we survey and review the different visualization techniques …

Optimizing angular resistant spectral indices to estimate leaf biochemical parameters from multi-angular spectral reflection

D Ran, Z Sun, S Lu, K Omasa - Agricultural and Forest Meteorology, 2024 - Elsevier
Spectral indices are popular and simple mathematical methods for estimating leaf
biochemical parameters from spectral reflectance information. However, the estimation …

[HTML][HTML] Laboratory research on polarized optical properties of saline-alkaline soil based on semi-empirical models and machine learning methods

Q Gu, Y Han, Y Xu, H Yao, H Niu, F Huang - Remote Sensing, 2022 - mdpi.com
Currently, soil salinization is a serious problem affecting agricultural production and human
settlements. Remote sensing techniques have the advantages of a large monitoring range …

Reducing BRDF effects on the estimation of leaf biochemical parameters using the nonpolarized reflectance factor in the hemispheric space

C Yao, Z Sun, S Lu - IEEE Transactions on Geoscience and …, 2022 - ieeexplore.ieee.org
Leaf bidirectional reflectance distribution function (BRDF) is partly controlled by the specular
reflection from the leaf surface, which does not convey information about leaf biochemical …

Combining multiangular, polarimetric, and hyperspectral measurements to estimate leaf nitrogen concentration from different plant species

M Liu, Z Sun, S Lu, K Omasa - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Optical remote sensing is one of the most popular methods for estimating leaf nitrogen
concentration (LNC). This nondestructive approach based on reflected intensity …