Results 11 to 20 of about 561,233 (305)

To the question on accuracy of forest heights’ measurements by the TanDEM-X radar interferometry data [PDF]

Сибирский лесной журнал, 2016
The paper presents the validation results of the InSAR method for determining the forest canopy height, based on TanDEM-X and ALOS PALSAR data. The research conducted on the territory of the Baikal-Kudara forest area of the Republic of Buryatia (52°10'N,
T. N. Chimitdorzhiev, M. E. Bykov, Yu. I. Kantemirov, I. I. Kirbizhekova, B. B. Labarov, A. K. Baltukhaev   +5 more
doaj   +1 more source

Dielectric Fluctuation and Random Motion over Ground Model (DF-RMoG): An Unsupervised Three-Stage Method of Forest Height Estimation Considering Dielectric Property Changes

Remote Sensing, 2023
Polarimetric Synthetic Aperture Radar Interferometry (Pol-InSAR) based forest height estimation for ecosystem monitoring and management has been developing rapidly in recent years. Spaceborne Pol-InSAR systems with long temporal baselines of several days
Chang Liu, Qi Zhang, Linlin Ge, Samad M. E. Sepasgozar, Ziheng Sheng   +4 more
doaj   +1 more source

Improved Model-Based Forest Height Inversion Using Airborne L-Band Repeat-Pass Dual-Baseline Pol-InSAR Data

Remote Sensing, 2022
This paper proposes an improved model-based forest height inversion method for airborne L-band dual-baseline repeat-pass polarimetric synthetic aperture radar interferometry (PolInSAR) collections.
Qi Zhang, Scott Hensley, Ruiheng Zhang, Chang Liu, Linlin Ge   +4 more
doaj   +1 more source

On factorization forests of finite height

Theoretical Computer Science, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jérémie Chalopin, Hing Leung
openaire   +3 more sources

Evaluating Variable Selection and Machine Learning Algorithms for Estimating Forest Heights by Combining Lidar and Hyperspectral Data

ISPRS International Journal of Geo-Information, 2020
Machine learning has been employed for various mapping and modeling tasks using input variables from different sources of remote sensing data. For feature selection involving high- spatial and spectral dimensionality data, various methods have been ...
Sanjiwana Arjasakusuma, Sandiaga Swahyu Kusuma, Stuart Phinn   +2 more
doaj   +1 more source

Investigation the Effect of the Forest Height and Forest Density on the Accuracy of Forest Height Estimation Methods Using PolInSAR Data [PDF]

علوم، فناوری و کاربردهای فضایی, 2022
Forest biomass is one of the most important parameters in the ecosystem changes assessment and global carbon cycle modelling. In the other hand, the forest height is an effective parameter in the allometric equations which are used for biomass estimation.
Tayebe Managhebi, Akram JafarAghaee
doaj   +1 more source

An Improved Forest Height Model Using L-Band Single-Baseline Polarimetric InSAR Data for Various Forest Densities

Remote Sensing, 2022
Forest density affects the inversion of forest height by influencing the penetration and attenuation of synthetic aperture radar (SAR) signals. Traditional forest height inversion methods often fail in low-density forest areas.
Ao Sui, Opelele Omeno Michel, Yu Mao, Wenyi Fan   +3 more
doaj   +1 more source

Abiotic controls on macroscale variations of humid tropical forest height [PDF]

, 2016
Spatial variation of tropical forest tree height is a key indicator of ecological processes associated with forest growth and carbon dynamics. Here we examine the macroscale variations of tree height of humid tropical forests across three continents and ...
Knyazikhin, Yuri, Lefsky, Michael A., Myneni, Ranga B., Saatchi, Sassan S., White, Lee, Xu, Liang, Yang, Yan, Yu, Yifan   +7 more
core   +2 more sources

A Modified Dual-Baseline PolInSAR Method for Forest Height Estimation

Remote Sensing, 2017
This paper investigates the potentials and limitations of a simple dual-baseline PolInSAR (DBPI) method for forest height inversion. This DBPI method follows the classical three-stage inversion method’s idea used in single baseline PolInSAR (SBPI ...
Qinghua Xie, Jianjun Zhu, Changcheng Wang, Haiqiang Fu, Juan M. Lopez-Sanchez, J. David Ballester-Berman   +5 more
doaj   +1 more source

Estimation of change in forest height growth [PDF]

Forestry Studies, 2017
Abstract Forest height increment rate is related to the forest growth conditions. Data bases of previous forest inventories contain information about forest heightage relationship on large number of forest stands while repeated measurements of permanent sample plots provide an excellent reference for comparison.
Lang Mait, Arumäe Tauri, Laarmann Diana, Kiviste Andres   +3 more
openaire   +2 more sources