搜索结果: 1-15 共查到“遥感信息工程 LIDAR data”相关记录75条 . 查询时间(0.324 秒)
VULNERABILITY ASSESSMENT USING LIDAR DATA IN SILANG-STA.ROSA SUBWATERSHED,PHILIPPINES
LiDAR DEM unsteady flow analysis disaster and risk adaptation and mitigation watershed management
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2016/12/1
Silang-Sta. Rosa Subwatershed is experiencing rapid urbanization. Its downstream area is already urbanized and the development is moving fast upstream. With the rapid land conversion of pervious to im...
AN OBJECT-BASED WORKFLOW DEVELOPED TO EXTRACT AQUACULTURE PONDS FROM AIRBORNE LIDAR DATA:A TEST CASE IN CENTRAL VISAYAS,PHILIPPINES
Object-Based Image Analysis (OBIA) multiresolution segmentation coastal land use fishpond
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2016/12/1
Traditional remote sensing approach for mapping aquaculture ponds typically involves the use of aerial photography and high resolution images. The current study demonstrates the use of object-based im...
ESTIMATING CARBON STOCK CHANGES OF MANGROVE FORESTS USING SATELLITE IMAGERY AND AIRBORNE LiDAR DATA IN THE SOUTH SUMATRA STATE,INDONESIA
LiDAR Satellite imagery Biomass Carbon stock change Mangrove forest
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2016/11/30
The purposes of this study were 1) to estimate the biomass in the mangrove forests using satellite imagery and airborne LiDAR data, and 2) to estimate the amount of carbon stock changes using biomass ...
ACCURACY ASSESSMENT OF CROWN DELINEATION METHODS FOR THE INDIVIDUAL TREES USING LIDAR DATA
Forest Canopy LiDAR Pit-free Stand-level
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2016/11/30
Forest canopy density and height are used as variables in a number of environmental applications, including the estimation of biomass, forest extent and condition, and biodiversity. The airborne Light...
ANALYSIS OF THE SIDE-LAP EFFECT ON FULL-WAVEFORM LIDAR DATA ACQUISITION FOR THE ESTIMATION OF FOREST STRUCTURE VARIABLES
LiDAR full-waveform overlap stripe differences density changes forest structure canopy fuel comparison of paired samples
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2016/11/30
LiDAR full-waveform provides a better description of the physical and forest vertical structure properties than discrete LiDAR since it registers the full wave that interacts with the canopy. In this ...
MANGROVE PLANTATION FOREST ASSESSMENT USING STRUCTURAL ATTRIBUTES DERIVED FROM LIGHT DETECTION AND RANGING (LiDAR) DATA
Mangroves Rhizophoraceae Plantation Point Cloud LiDAR
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2016/11/30
Estimating the structural and functional attributes of forests is integral in performing management strategies and for understanding forest ecosystem functions. Field sampling methods through plot lev...
GROUND DEFORMATION EXTRACTION USING VISIBLE IMAGES AND LIDAR DATA IN MINING AREA
Ground Deformation DEM ZY-3 Stereo Images LiDAR Mining Area
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2016/11/23
Recognition and extraction of mining ground deformation can help us understand the deformation process and space distribution, and estimate the deformation laws and trends. This study focuses on the a...
BUILDING CHANGE DETECTION BY COMBINING LiDAR DATA AND ORTHO IMAGE
LiDAR data Ortho Image DSM Building 3D Change Detection
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2016/7/28
The elevation information is not considered in the traditional building change detection methods. This paper presents an algorithm of combining LiDAR data and ortho image for 3D building change detect...
INDIVIDUAL TREE OF URBAN FOREST EXTRACTION FROM VERY HIGH DENSITY LIDAR DATA
Tree Extraction LiDAR Point Cloud OPTICs Clustering Principal Components Analysis
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2016/7/27
Airborne LiDAR (Light Detection and Ranging) data have a high potential to provide 3D information from trees. Most proposed methods to extract individual trees detect points of tree top or bottom firs...
A MIN-CUT BASED FILTER FOR AIRBORNE LIDAR DATA
LiDAR graph-cuts ground filtering classification optimization
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2016/7/27
LiDAR (Light Detection and Ranging) is a routinely employed technology as a 3-D data collection technique for topographic mapping. Conventional workflows for analyzing LiDAR data require the ground to...
CLASSIFICATION OF LiDAR DATA WITH POINT BASED CLASSIFICATION METHODS
LiDAR Point Cloud Classification Point Based Vegetation Building Ground
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2016/7/27
LiDAR is one of the most effective systems for 3 dimensional (3D) data collection in wide areas. Nowadays, airborne LiDAR data is used frequently in various applications such as object extraction, 3D ...
LAND COVER CLASSIFICATION FROM FULL-WAVEFORM LIDAR DATA BASED ON SUPPORT VECTOR MACHINES
LiDAR Support Vector Machines (SVM) Full-Waveform Land Cover Classification Waveform decomposition Feature extraction
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2016/7/27
In this study, a land cover classification method based on multi-class Support Vector Machines (SVM) is presented to predict the types of land cover in Miyun area. The obtained backscattered full-wave...
RAY-BASED DETECTION OF OPENINGS IN URBAN AREAS USING MOBILE LIDAR DATA
Windows detection Urban 3D reconstruction Building modelling Mobile Lidar data Laser point cloud
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2016/7/27
The detection of openings like windows or doors is of great interest in the field of urban modeling. Mobile LIDAR data provides valuable 3D information for that purpose. There are generally two main p...
FOREST STAND SEGMENTATION USING AIRBORNE LIDAR DATA AND VERY HIGH RESOLUTION MULTISPECTRAL IMAGERY
lidar multispectral imagery fusion feature extraction supervised classification energy minimisation forest stand delineation tree species
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2016/7/27
Forest stands are the basic units for forest inventory and mapping. Stands are large forested areas (e.g., ≥ 2 ha) of homogeneous tree species composition. The accurate delineation of forest stands is...
CLASSIFICATION OF LIDAR DATA FOR GENERATING A HIGH-PRECISION ROADWAY MAP
Lidar Feature extraction Machine learning Classification Mobile mapping
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2016/7/27
Generating of a highly precise map grows up with development of autonomous driving vehicles. The highly precise map includes a precision of centimetres level unlike an existing commercial map with the...