搜索结果: 1-6 共查到“测绘科学技术 forest stands”相关记录6条 . 查询时间(0.116 秒)
ESTIMATING WOOD VOLUME FOR PINUS BRUTIA TREES IN FOREST STANDS FROM QUICKBIRD-2 IMAGERY
Quickbird-2 Marker-controlled watershed segmentation Object-based classification Tree wood volume Individual tree crown delineation
2016/11/23
Knowledge of forest parameters, such as wood volume, is required for a sustainable forest management. Collecting such information in the field is laborious and even not feasible in inaccessible areas....
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...
INVISTIGATION ON CANOPY HEIGHT AND DENSITY DIFFERENTIATIONS IN THE MANAGED AND UNMANAGED FOREST STANDS USING LIDAR DATA (CASE STUDY: SHASTKALATEH FOREST, GORGAN)
Canopy height Canopy density Lidar Managed forest Unmanaged forest Dr. Bahramnia forest plan of Gorgan
2016/1/18
Forest management plans are interesting to keep the forest stand natural composite and structure after silvicultural and management treatments. In order to investigate on stand differences made by man...
Describing forest Stands using Terrestrial Laser-scanning
Forestry Inventory Modelling DEM/DTM
2015/7/14
A method for extracting forest parameters is described in this paper. The 3D point clouds derived from phase difference laser
scanners in forests were processed in a step-wise separation. The first s...
ESTIMATION OF TREE SPECIES PROPORTIONS OF FOREST STANDS USING LASER SCANNING
Laser Scanning Tree Species Estimation Neural Networks Forestry
2015/2/4
Tree species proportions of forest stands were estimated using data measured by Toposys laser scanner. Employed
estimation method was multilayer perceptron neural network with error back-propagation ...
EXTRACTION OF FOREST STANDS PARAMETERS FROM ASTER DATA IN OPEN FOREST
Forest inventory Tree crown area QuickBird ASTER Zagros Iran
2014/4/28
Tree crown size (CS) and stem number per hectare (SN) has become increasingly important for forest management and ecosystem
monitoring. Tree crown size is also strongly related to other canopy struc...