A theoretical demonstration on the independence of distance and incidence angle effects for small-footprint hyperspectral LiDAR: Basic physical concepts

J Bai, Z Niu, L Wang - Remote Sensing of Environment, 2024 - Elsevier
Distance and incidence angle effects play crucial roles in determining the raw intensity
captured by light detection and ranging (LiDAR) systems. For these two effects, the …

An exploration, analysis, and correction of the distance effect on terrestrial hyperspectral LiDAR data

J Bai, Z Niu, S Gao, K Bi, J Wang, Y Huang… - ISPRS Journal of …, 2023 - Elsevier
Terrestrial hyperspectral light detection and ranging (LiDAR)(HSL), as one novel LiDAR
system integrated with more wavelengths, has supplied enhanced possibilities in many …

3D leaf water content mapping using terrestrial laser scanner backscatter intensity with radiometric correction

X Zhu, T Wang, R Darvishzadeh, AK Skidmore… - ISPRS journal of …, 2015 - Elsevier
Leaf water content (LWC) plays an important role in agriculture and forestry management. It
can be used to assess drought conditions and wildfire susceptibility. Terrestrial laser …

Single-parameter estimation construction algorithm for Gm-APD ladar imaging through fog

D Liu, J Sun, S Gao, L Ma, P Jiang, S Guo… - Optics Communications, 2021 - Elsevier
When imaging through fog using Geiger mode avalanche photon diode (Gm-APD) ladar,
strong backscattering photons make it difficult to effectively extract an accurate target signal …

Measuring leaf water content with dual-wavelength intensity data from terrestrial laser scanners

S Junttila, M Vastaranta, X Liang, H Kaartinen… - Remote Sensing, 2016 - mdpi.com
Decreased leaf moisture content, typically measured as equivalent water thickness (EWT), is
an early signal of tree stress caused by drought, disease, or pest insects. We investigated …

Photosynthetically active radiation (PAR) sensor using an array of light sensors with the integration of data logging for agricultural application

MVC Caya, JT Alcantara, JS Carlos… - 2018 3rd International …, 2018 - ieeexplore.ieee.org
The study focused on the creation of a sensor that measures natural light coming from the
sun. There are different kinds of measuring light and these are the LUX meter, Quantum …

Analyzing the effect of incident angle on echo intensity acquired by hyperspectral lidar based on the Lambert-Beckman model

X Qian, J Yang, S Shi, W Gong, L Du, B Chen… - Optics …, 2021 - opg.optica.org
Hyperspectral light detection and ranging (HSL) can acquire the spatial and spectral
information simultaneously, which can provide more information than hyperspectral imaging …

Analysis of ALS intensity behavior as a function of the incidence angle in coastal environments

E Poullain, F Garestier, F Levoy… - IEEE Journal of Selected …, 2016 - ieeexplore.ieee.org
The objective of this paper was to investigate and model the behavior of backscattered
LiDAR intensity as a function of the incidence angle over coastal environments. Different …

A novel algorithm for leaf incidence angle effect correction of hyperspectral LiDAR

J Bai, S Gao, Z Niu, C Zhang, K Bi… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
As a novel remote sensor, hyperspectral LiDAR is faced with the incidence angle effect,
which restricts its quantitative applications. However, the current radiometric correction …

Numerical Modeling of a Short-range Three-dimensional Flash LIDAR System Operating in a Scattering Atmosphere Based on the Monte Carlo Radiative Transfer …

H An, J Na, Y Jeong - Korean Journal of Optics and Photonics, 2020 - koreascience.kr
We discuss a modified numerical model based on the Monte Carlo radiative transfer (MCRT)
method, ie, the MCRT matrix method, for the analysis of atmospheric scattering effects in …