搜索结果: 16-30 共查到“理学 LiDAR”相关记录115条 . 查询时间(0.469 秒)
Kinematic GPS survey as validation of LIDAR strips accuracy
LIDAR GPS DTM landslide body Sarno
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2015/9/7
As a result of the catastrophic hydrogeological events which occurred in May 1998 in Campania, in the south of Italy, the distinctive features of airborne laser scanning mounted on a helicopter were u...
DOWNFLOW code and LIDAR technology for lava flow analysis and hazard assessment at Mount Etna
DOWNFLOW code LIDAR technology
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2015/8/27
The use of a lava-flow simulation (DOWNFLOW) probabilistic code and airborne light detection and ranging (LIDAR) technology are combined to analyze the emplacement of compound lava flow fields at Moun...
Fabry–Perot interferometer as a solar background noise suppressor:application to daytime lidar
Lidar Atmosphere Daytime
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2015/8/24
Continuous atmospheric probing by a lidar is a requirement for many applications. However, due to high solar background noise during the daytime, lidar operations are mostly restricted to night-time. ...
A Method for Extracting Stream Channel Flow Paths from LiDAR Point Cloud Data
LiDAR Point Cloud Streams
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2015/8/14
Traditional methods of delineating stream channel networks use gridded raster elevation data. Direct use of LiDAR point clouds, without first creating a raster or grid, could improve efficiency and ac...
A SEGMENTATION PROCEDURE OF LIDAR DATA BY APPLYING MIXED PARAMETRIC AND NONPARAMETRIC MODELS
LIDaR data segmentation process parametric and nonparametric models
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2015/8/13
The paper proposes a segmentation procedure inspired to a robust LIDaR filtering data method recently introduced by the authors.
The method is based on the application of a Simultaneous AutoRegressi...
EFFECTS OF LIDAR DEM RESOLUTION IN FLOOD MODELLING: A MODEL SENTITIVITY STUDY FOR THE CITY OF TEGUCIGALPA, HONDURAS
Flood modelling DEM resolution LIDAR SOBEK
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2015/8/13
An important aspect of hydraulic flood modelling deals with representing topography of river and floodplain. Commonly, flood
model applications are reported successful in topographically simple area...
Dense DTM Generalization Aided by Roads Extracted from LiDAR Data
LiDAR High Resolution Extraction DTM Generalization road detection Representation
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2015/8/13
The paper concerns the generalization of DTM extracted from LiDAR data. The essence of generalization is reducing details while
enhancing important features at the same time; so for the purpose of te...
URBAN MODELING BASED ON SEGMENTATION AND REGULARIZATION OF AIRBORNE LIDAR POINT CLOUDS
idar Building reconstruction Urban area modelling
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2015/6/1
This paper presents an approach to process raw lidar 3-D point clouds over urban area and extract terrain, buildings and other urban
features. In the initial step, “non-ground points” are separated ...
AUTOMATIC BUILDING EXTRACTION AND 3-D CITY MODELING FROM LIDAR DATA BASED ON HOUGH TRANSFORMATION
LIDAR Modeling City Graphics
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2015/6/1
This paper proposes a new method of LIDAR data processing to automatically extract building and 3-D city modeling. This method
exploits image processing technique including Hough transformation. The...
Pseudo-Grid Based Building Extraction Using Airborne LIDAR Data
LIDAR Building Extraction Building Detection
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2015/6/1
This paper proposed a practical method for building detection and extraction using airborne laser scanning data. The proposed
method consists mainly of two processes: low and high level processes. T...
USING STEREO IMAGES TO DENSIFY LIDAR DATA POINTS AT WHERE NEEDED
Image Building Application Algorithm
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2015/6/1
For many applications, dense Lidar data is often needed. For instance, for telecommunication antenna network design, 1 meter
spacing Lidar data would be needed for downtown area of a big city. Howev...
APPLICATION OF LIDAR DATA AND 3D-CITY MODELS IN VISUAL IMPACT SIMULATIONS OF TALL BUILDINGS
Tall Buildings 3D Isovists Visual Impact
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2015/5/7
The paper examines possibilities and limitations of application of Lidar data and digital 3D-city models to provide specialist urban analyses of tall buildings. The location and height of tall build...
A BOX-COUNTING METHOD TO CHARACTERIZE DEGREES OF FOLIAGE CLUMPING USING AIRBORNE AND SIMULATED LIDAR DATA
LiDAR leaf area index foliage clumping
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2015/5/7
Monitoring forest productivity and health is key to sustainable ecosystem management and informed decision making. A key parameter used in monitoring forest resources is the leaf area index (LAI), w...
Comparison between high-resolution aerial imagery and lidar data classification of canopy and grass in the NESCO neighborhood, Indianapolis, Indiana
GIS Remote Sensing LiDAR Classification Canopy
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2015/1/9
Urban forestry is a very important element of urban structures that can improve the environment and life quality within the urban areas. Having an accurate classification of urban forests and grass ar...
A Method for Extracting Stream Channel Flow Paths from LiDAR Point Cloud Data
Streams Channels Delineation
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2015/1/9
Traditional methods of delineating stream channel networks use gridded raster elevation data. Direct use of LiDAR point clouds, without first creating a raster or grid, could improve efficiency and ac...