搜索结果: 1-15 共查到“测绘科学技术 density”相关记录27条 . 查询时间(0.125 秒)
IMPROVING GLOBALlAND30 ARTIFICIAL TYPE EXTRACTION ACCURACY IN LOW-DENSITY RESIDENTS
GlobalLand 30 TM Low-density residents nighttime light remote sensing image TM6 TR-NDBI
2016/12/1
GlobalLand 30 is the first 30m resolution land cover product in the world. It covers the area within 80°N and 80°S. There are ten classes including artificial cover, water bodies, woodland, lawn, bare...
HIGH DENSITY AERIAL IMAGE MATCHING: STATE-OF-THE-ART AND FUTURE PROSPECTS
Matching Surface Three-dimensional Point Cloud Fusion Triangulation
2016/11/8
Ongoing innovations in matching algorithms are continuously improving the quality of geometric surface representations generated automatically from aerial images. This development motivated the launch...
IMPACT OF BUILDING HEIGHTS ON 3D URBAN DENSITY ESTIMATION FROM SPACEBORNE STEREO IMAGERY
Urban Density Building Density 3D Density Building Height Floor Area Ratio Stereo Imagery Impact
2016/7/28
In urban planning and design applications, visualization of built up areas in three dimensions (3D) is critical for understanding building density, but the accurate building heights required for 3D de...
INDIVIDUAL TREE OF URBAN FOREST EXTRACTION FROM VERY HIGH DENSITY LIDAR DATA
Tree Extraction LiDAR Point Cloud OPTICs Clustering Principal Components Analysis
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...
Density and Motion Estimation of People in Crowded Environments based on Aerial Image Sequences
People tracking Aerial Image Sequences 3K camera
2016/1/25
Monitoring the behavior of people in complex environments has gained much attention over the past years. Most of the current
approaches rely on video cameras mounted on buildings or pylons and indivi...
GLOBAL URBAN MAPPING USING POPULATION DENSITY,MODIS AND DMSP DATA WITH THE REFERENCE OF LANDSAT IMAGES
Multi-spectral remote sensing Validation Image processing Data Integration Environmental monitoring
2016/1/3
In recent decades, rapid rates of population growth and urban expansion affect local and regional ecosystems, climate, biogeochemistry, as well as food production. Ninety percent of urbanization will ...
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...
Close Photogrammetry and Laser Scanning Using a Mobile Mapping System for the High Detailed Survey of a Height Density Urban Area
Mobile Mapping System GPS/INS LIDAR
2015/12/17
The realization of an urban underground is a key issue for the development of any city, and it has to regard all problems linked to the
project phase and the connections with many other works like ra...
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...
The Evaluation of Spatial Distribution Density in Map Generalization
Cartography Generalization Computer Vision Spatial modeling Quality control
2015/12/2
Spatial distribution density is an important constraint in map generalization, which acts on a group of objects at meso level or a whole thematic class at macro level. However, the spatial distributio...
High Density Digital Form for Cultural Heritage: Synthetic Modelling and Reverse Engineering of the Four Horses of the Basilica of San Marco In Venice
Cultural heritage Metrology Surveying 3D Modelling Reverse Engineering
2015/11/13
This research would like to illustrate an experimental work carried out in the filed of Cultural Heritage, finalized to determine a complete object shape at very high resolution. The aim was to go bey...
REIN ALGORITHM AND THE INFLUENCE OF POINT CLOUD DENSITY ON NDSM AND DEM PRECISION IN A SUBMEDITERRANEAN FOREST
lidar forest DEM nDSM point cloud density REIN algorithm
2015/11/10
The REIN algorithm makes use of the redundancy in lidar point cloud to generate bare ground DEM and vegetation canopy nDSM.The influence of the input lidar point density on the DEM precision and conse...
ASSESSING EFFECTS OF LASER POINT DENSITY ON BIOPHYSICAL STAND PROPERTIES DERIVED FROM AIRBORNE LASER SCANNER DATA IN MATURE FOREST
Airborne laser scanner Canopy density Canopy height Pulse density
2015/11/10
Canopy height distributions were created from small-footprint airborne laser scanner data for mature coniferous forest in two forest areas in Norway. In total, 82 and 70 georeferenced field sample plo...
Effects of gradients of the electron density on Earth-space communications
Electron density space
2015/9/14
This paper is a review of the main results achieved in the framework of COST 271 Action Working Group 4, under the activities of the Work Package 4.4. The first topic treated deals with the influence ...
ESTIMATION OF FOREST STAND PARAMETERS IN DENSITY CLASSES IN ARID AND SEMI-ARID REGIONS USING LANDSAT ETM+ DATA
FOREST STAND PARAMETERS DENSITY CLASSES
2015/9/8
ESTIMATION OF FOREST STAND PARAMETERS IN DENSITY CLASSES IN ARID AND SEMI-ARID REGIONS USING LANDSAT ETM+ DATA.