搜索结果: 1-15 共查到“遥感信息工程 canopy”相关记录22条 . 查询时间(0.09 秒)
FULLY AUTOMATED GIS-BASED INDIVIDUAL TREE CROWN DELINEATION BASED ON CURVATURE VALUES FROM A LIDAR DERIVED CANOPY HEIGHT MODEL IN A CONIFEROUS PLANTATION
Crown Delineation Canopy Height Model (CHM) Local Maxima Curvature Slope Thiessen Polygons
2016/11/30
The generation of high resolution canopy height model (CHM) from LiDAR makes it possible to delineate individual tree crown by means of a fully-automated method using the CHM’s curvature through its s...
EVALUATION OF FOREST CANOPY AND UNDERSTORY GAP FRACTION DERIVED FROM TERRESTRIAL LASER SCANNING
Forest structure Understory Gap fraction Terrestrial laser scanner
2016/11/30
The quantification of forest carbon sequestration is helpful to understand the carbon storage on the Earth. The estimation of forest carbon sequestration can be achieved by the use of leaf area index ...
TREE CANOPY COVER MAPPING USING LiDAR IN URBAN BARANGAYS OF CEBU CITY,CENTRAL PHILIPPINES
Object-Based Image Analysis LAStools CHM NDSM multi-threshold segmentation urban forest management urban planning
2016/11/30
This paper investigates tree canopy cover mapping of urban barangays (smallest administrative division in the Philippines) in Cebu City using LiDAR (Light Detection and Ranging). Object-Based Image An...
ANALYSIS ON OPTIMAL BANDS FOR RETRIEVAL OF MIXED CANOPY CHLOROPHYLL CONTENT BASED ON REMOTE SENSING
Spectral indices Chlorophyll content Spectral derivative Optimal bands Mixed canopy
2016/1/3
A large number of spectral indices have been developed for estimation of leaf chlorophyll content. However, in most cases these indices have been tested for only one or at most a few related species a...
RETRIEVALS OF CANOPY BIOPHYSICAL VARIABLES USING MULTI-TEMPORAL REMOTE SENSING DATA
Remote Sensing Retrieval Leaf area index Multi-temporal
2015/12/31
The integrated application of multi-source and multi-temporal remote sensing data is the trend of remote sensing application research, and it is also the practical need to solve the inversion problem ...
DISCRIMINATING SPECIES USING HYPERSPECTRAL INDICES AT LEAF AND CANOPY SCALES
Imaging Spectroscopy Spectral Indices Species Discrimination Leaf and Canopy Remote Sensing
2015/12/31
Developments in hyperspectral remote sensing have provided new indices or indicators of biochemical and biophysical properties. Most of the studies involving the novel spectral indices have been condu...
GEOMETRICAL AND STRUCTURAL PARAMETERIZATION OF FOREST CANOPY RADIATIVE TRANSFER BY LIDAR MEASUREMENTS
Remote Sensing Forestry LIDAR Vegetation Modelling Structure
2015/12/30
A forest canopy is a complex system with a highly structural multi-scale architecture. Physical based radiative transfer (RT) modelling has been shown to be an effective tool for retrieval of vegetati...
POTENTIAL AND LIMITS OF AIRBORNE REMOTE SENSING DATA FOR EXTRACTION OF FRACTIONAL CANOPY COVER AND FOREST STANDS AND DETECTION OF TREE SPECIES
Forestry Ecosystem LIDAR Modelling DEM/DTM Aerial High resolution Multisensor
2015/12/29
This study presents a methodology for derivation of fractional canopy cover, detection of main tree species, and extraction of forest stands using logistic regression, airborne remote sensing data and...
FOREST CANOPY DENSITY ESTIMATING,USING SATELLITE IMAGES
Remote Sensing Accuracy IRS imagery Forest Canopy density Classification
2015/12/28
Forest Canopy density is a major factor in evaluation of forest status and is an important indicator of possible management interventions. Forest canopy cover, also known as canopy coverage or crown c...
ESTIMATING CANOPY HEIGHT OF MONTANE COOL TEMPERATE FOREST USING LARGE-FOOTPRINT SPACEBORNE LIDAR
LiDAR Forest Canopy height Estimation Model
2015/12/28
Estimation of forest carbon storage is a critical challenge for understanding the global carbon cycle because it dominates the dynamics of the terrestrial carbon cycle. Light Detection and Ranging (Li...
HIERARCHICAL WATERSHED SEGMENTATION OF CANOPY HEIGHT MODEL FOR MULTI-SCALE FOREST INVENTORY
LiDAR CHM Watershed segmentation Scale Crown delineation Forest inventory
2015/11/10
Canopy Height Model (CHM) is a standard LiDAR-derived product for deriving relevant forest inventory information, among which individual tree identification is a crucial task. The watershed algorithm ...
MODELLING CANOPY GAP FRACTION FROM LIDAR INTENSITY
Lidar gap fraction leaf area index intensity Beer-Lambert
2015/11/10
We reconstruct the vertical pulse power distribution returned from a commercial small footprint discrete pulse airborne laser terrain mapper within a mixed forest landscape. By modifying a Beer-Lamber...
ASSESSMENT OF SUB-CANOPY STRUCTURE IN A COMPLEX CONIFEROUS FOREST
LiDAR understorey vegetation vegetation cover
2015/11/10
LiDAR technology emits narrow beams of laser light that are able to exploit gaps in the forest canopy and detect sub-canopy surfaces. In this study, we explore the potential of airborne LiDAR to quant...
TERRESTRIAL LIDAR MEASUREMENTS FOR ANALYSING CANOPY STRUCTURE IN AN OLD-GROWTH FOREST
tree height old-growth forest canopy structure canopy projection terrestrial lidar
2015/11/10
Terrestrial lidar measurements with the Leica HDS 4500 laserscanner (Imager 5003 from Z+F) were executed in a structurally highly diverse, at least 200-year-old natural 11-species forest with typical ...
USING AIRBORNE LIDAR FOR THE ASSESSMENT OF CANOPY STRUCTURE INFLUENCES ON CO2 FLUXES
airborne lidar carbon dioxide eddy covariance flux footprint canopy structure photosynthesis respiration
2015/11/10
Fluxes of carbon dioxide (CO2), water, and energy measured using the eddy covariance method (EC) will vary spatially and temporally within the catchment area of the EC system, especially if parts of t...