Results 1 to 10 of about 182,947 (149)

Field-measured canopy height may not be as accurate and heritable as believed: evidence from advanced 3D sensing [PDF]

open access: yesPlant Methods, 2023
Highlights The effects of canopy height, leaf area index, and growth stage on the accurate monitoring of canopy height with different 3D sensors were systematically evaluated. Field-measured canopy height may not be as accurate as believed, especially in
Jingrong Zang   +9 more
doaj   +2 more sources

Correction of UAV LiDAR-derived grassland canopy height based on scan angle [PDF]

open access: yesFrontiers in Plant Science, 2023
Grassland canopy height is a crucial trait for indicating functional diversity or monitoring species diversity. Compared with traditional field sampling, light detection and ranging (LiDAR) provides new technology for mapping the regional grassland ...
Cong Xu   +19 more
doaj   +2 more sources

A Framework for Improving Wall-to-Wall Canopy Height Mapping by Integrating GEDI LiDAR

open access: yesRemote Sensing, 2022
Spatially continuous canopy height is a vital input for modeling forest structures and functioning. The global ecosystem dynamics investigation (GEDI) waveform can penetrate a canopy to precisely find the ground and measure canopy height, but it is ...
Cangjiao Wang   +8 more
doaj   +3 more sources

Research on Estimating Rice Canopy Height and LAI Based on LiDAR Data [PDF]

open access: yesSensors, 2023
Rice canopy height and density are directly usable crop phenotypic traits for the direct estimation of crop biomass. Therefore, it is crucial to rapidly and accurately estimate these phenotypic parameters.
Linlong Jing   +3 more
doaj   +2 more sources

Evaluation and Comparison of ICESat-2 and GEDI Data for Terrain and Canopy Height Retrievals in Short-Stature Vegetation

open access: yesRemote Sensing, 2023
Two space-borne light detection and ranging (LiDAR) missions, Global Ecosystem Dynamics Investigation (GEDI) and Ice, Cloud, and land Elevation Satellite-2 (ICESat-2), have demonstrated high capabilities in extracting terrain and canopy heights in forest
Xiaoxiao Zhu   +5 more
doaj   +3 more sources

Land-based crop phenotyping by image analysis: Accurate estimation of canopy height distributions using stereo images. [PDF]

open access: yesPLoS ONE, 2018
In this paper we report on an automated procedure to capture and characterize the detailed structure of a crop canopy by means of stereo imaging. We focus attention specifically on the detailed characteristic of canopy height distribution-canopy shoot ...
Jinhai Cai   +3 more
doaj   +2 more sources

Estimates of Forest Canopy Height Using a Combination of ICESat-2/ATLAS Data and Stereo-Photogrammetry

open access: yesRemote Sensing, 2020
Forest canopy height is an indispensable forest vertical structure parameter for understanding the carbon cycle and forest ecosystem services. A variety of studies based on spaceborne Lidar, such as ICESat, ICESat-2 and airborne Lidar, were conducted to ...
Xiaojuan Lin   +6 more
doaj   +3 more sources

Comparison of three global canopy height maps and their applicability to biodiversity modeling: Accuracy issues revealed

open access: yesEcosphere
Global mapping of forest height is an extremely important task for estimating habitat quality and modeling biodiversity. Recently, three global canopy height maps have been released, the global forest canopy height map (GFCH), the high‐resolution canopy ...
Vítězslav Moudrý   +18 more
doaj   +2 more sources

Accuracy Assessment of GEDI Terrain Elevation and Canopy Height Estimates in European Temperate Forests: Influence of Environmental and Acquisition Parameters

open access: yesRemote Sensing, 2020
Lidar remote sensing has proven to be a powerful tool for estimating ground elevation, canopy height, and additional vegetation parameters, which in turn are valuable information for the investigation of ecosystems.
Markus Adam   +3 more
doaj   +3 more sources

The Transferability of Random Forest in Canopy Height Estimation from Multi-Source Remote Sensing Data

open access: yesRemote Sensing, 2018
Canopy height is an important forest structure parameter for understanding forest ecosystem and improving global carbon stock quantification accuracy.
Shichao Jin   +5 more
doaj   +3 more sources

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