搜索结果: 61-75 共查到“遥感信息工程 LIDAR”相关记录204条 . 查询时间(0.096 秒)
TOWARDS 3D MAPPING OF FORESTS:A COMPARATIVE STUDY WITH FIRST/LAST PULSE AND FULL WAVEFORM LIDAR DATA
LIDAR Analysis Segmentation Forestry Vegetation
2015/12/29
This paper highlights several approaches to segment and reconstruct trees from LIDAR data and compares the results acquired both from first/last pulse and full waveform data. In a first step, we set u...
Application and Precision Analysis of Tree height Measurement with LiDAR
Image Processing Accuracy Analysis Forestry Laser Scanning Point Cloud Digital Surface Models(DSM) Digital Terrain Models(DEM)
2015/12/29
Light Detection And Ranging (LiDAR), is a system of laser detection and distance measurement installed on aircraft or satellites. Because of its high angular resolution, high range resolution and anti...
THE UTILITY OF LIDAR FOR RECOVERING ECOLOGICAL VARIABLES
LIDAR Ecology Vegetation Return Intensity Landscape Point Cloud
2015/12/29
The results of an investigation of the utility of LiDAR (Light Detection and Ranging) for recovering ecological variables are detailed. Mean LiDAR intensity and standard deviation of intensity were ca...
INTEGRATION OF BATHYMETRIC AND TOPOGRAPHIC LIDAR:A PRELIMINARY INVESTIGATION
LIDAR Littoral Zone Airborne Laser Scanning Vertical Datum Foreshore Bathymetry
2015/12/29
At present there is no single technology that can measure both terrain heights and water depths to a suitable level of accuracy and density for applications such as storm surge modelling and coastal i...
ESTIMATION OF FOREST STRUCTURAL PARAMETERS FROM LIDAR AND SAR DATA
Forest structure Lidar Radar GLAS PALSAR
2015/12/28
Vegetation spatial structure including plant height, biomass, vertical and horizontal heterogeneity, is an important factor influencing the exchanges of matter and energy between landscape and atmosph...
EXPERIMENT OF ESTIMATING FOREST STAND VOLUME WITH LIDAR TECHNOLOGY
Forestry Surveying LIDAR Experimental Precision
2015/12/28
In this paper, LiDAR was introduced in tree height and stand volume measure. By experiment, the average of trees' height was 8.68 meter measured by LIDAR, while the actual value was 8.67; the relative...
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...
MORPHOLOGIC CHANGE DETECTION IN THE WADDEN SEA FROM LIDAR DATA
Lidar Coast Change detection Monitoring Extraction
2015/12/28
Morphologic change detection in the Wadden Sea is an important task in the context of coast protection. Commonly, lidar data is used to calculate a Digital Terrain Model (DTM). In order to detect and ...
THE MEASUREMENT OF THE TREE ASSEMBLAGE’S COVERAGE IN RIVER CHANNEL BY LIDAR
Lidar Flood Disaster Tree Rate DEMs Gound Data First Pulse Data
2015/12/28
The purpose of this project is the flood disaster prevention. Recently it has been happened frequent floods in the small and middle size rivers caused of the local heavy rainfalls in Japan. The Japane...
SATELLITE IMAGERY AND LIDAR DATA FOR EFFICIENTLY DESCRIBING STRUCTURES AND DENSITIES IN RESIDENTIAL URBAN LAND USES CLASSIFICATION
SPOT LIDAR Pixel-based classification Building density FAR BCR
2015/12/26
Urban areas are complicated due to the mix of man-made features and natural features. A higher level of structural information plays an important role in land cover/use classification of urban areas. ...
Analysis of the Solar Potential of Roofs by Using Official LIDAR Data
Image Processing DSM DEM LIDAR Texture Analysis
2015/12/16
This paper focuses on a field test that locates roof areas with a high solar potential and predicts the solar “harvest” per m2. The test analyzes 2.5D LIDAR data provided by official surveying and map...
Derivation of Digital Terrain Model in Forested Area with Airborne LIDAR Data
Remote Sensing LiDAR filtering DTM in forested area multiple pulses height variation analysis
2015/12/8
Detailed high-resolution digital terrain model can be obtained in open area using airborne laser scanning technique. But in forested area, how to extract high accuracy digital terrain model still need...
DEVELOPMENT OF A PROCEDURE FOR VERTICAL STRUCTURE ANALYSIS AND 3D-SINGLE TREE EXTRACTION WITHIN FORESTS BASED ON LIDAR POINT CLOUD
Canopy Vertical structure Tree crown 3D model Lidar Point cloud
2015/11/10
A procedure for both vertical canopy structure analysis and 3D single tree extraction based on Lidar raw point cloud is presented in this paper. The whole study area is segmented into small study cell...
HOUGH-TRANSFORM AND EXTENDED RANSAC ALGORITHMS FOR AUTOMATIC DETECTION OF 3D BUILDING ROOF PLANES FROM LIDAR DATA
LIDAR Processing Detection Extraction Building Segmentation Modelling
2015/11/10
Airborne laser scanner technique is broadly the most appropriate way to acquire rapidly and with high density 3D data over a city.Once the 3D Lidar data are available, the next task isthe automatic da...
ASSESSMENT OF LIDAR-DERIVED TREE HEIGHTS ESTIMATED FROM DIFFERENT FLIGHT ALTITUDE DATA IN MOUNTAINOUS FORESTS WITH POOR LASER PENETRATION RATES
Forestry Remote Sensing LIDAR Laser scanning DEM/DTM
2015/11/10
In this study, the effects of different flight altitudes on tree height estimates with a small-footprint scanning lidar were investigated and assessed in mountainous forests with poor laser penetratio...