搜索结果: 1-15 共查到“工学 full-waveform”相关记录35条 . 查询时间(0.295 秒)
DECOMPOSITION TECHNIQUES FOR ICESAT/GLAS FULL-WAVEFORM DATA
ICESat/GLAS Full-Waveform Waveform Decomposition Method Overlapped Echo Components Levenberg-Marquard (LM) Optimization Method
2018/5/15
The geoscience laser altimeter system (GLAS) on the board Ice, Cloud, and land Elevation Satellite (ICESat), is the first long-duration space borne full-waveform LiDAR for measuring the topography of ...
VOXEL BASED REPRESENTATION OF FULL-WAVEFORM AIRBORNE LASER SCANNER DATA FOR FORESTRY APPLICATIONS
Full-waveform airborne laser scanning Voxel space Ray tracing Forest Filtering
2016/11/30
The advantages of using airborne full-waveform laser scanner data in forest applications, e.g. for the description of the vertical vegetation structure or accurate biomass estimation, have been emphas...
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
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 ...
MULTI-TARGET DETECTION FROM FULL-WAVEFORM AIRBORNE LASER SCANNER USING PHD FILTER
Probability hypothesis density Full-waveform airborne laser scanner Multi-target detection
2016/11/11
We propose a new technique to detect multiple targets from full-waveform airborne laser scanner. We introduce probability hypothesis density (PHD) filter, a type of Bayesian filtering, by which we can...
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
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...
SIMULATION OF FULL-WAVEFORM LASER ALTIMETER ECHOWAVEFORM
Full-waveform Altimeter Simulation Effect factor Different terrains
2016/7/4
Change of globe surface height is an important factor to study human living environment. The Geoscience Laser Altimeter System (GLAS) on ICESat is the first laser-ranging instrument for continuous glo...
INTEGRATION OF FULL-WAVEFORM INFORMATION INTO THE AIRBORNE LASER SCANNING DATA FILTERING PROCESS
DTM Filtering Full-waveform Laser scanning Lidar
2016/2/29
Terrain classification of current discrete airborne laser scanning data requires filtering algorithms based on the spatial relationship
between neighbouring three-dimensional points. However, diffic...
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...
A FULLY AUTOMATED PROCEDURE FOR DELINEATION AND CLASSIFICATION OF FOREST AND NON-FOREST VEGETATION BASED ON FULL WAVEFORM LASER SCANNER DATA
Laser scanning (LiDAR) Classification Aerial Survey Feature extraction Environmental monitoring Forestry
2015/12/28
Detailed geo-referenced information on the distribution and occurrence of forest and non-forest vegetation is essential for many different disciplines e.g. forestry, nature conservation, agriculture, ...
Intensity Normalization by Incidence Angle and Range of Full-Waveform LIDAR Data
Laser Data Full-Waveform Point Clouds Intensity
2015/12/16
The analysis of LIDAR data to extract surface features is of great interest in photogrammetric research. Our investigations show that the same material of a surfaces (e.g. gabled roof) yields to diffe...
Traffic Monitoring from Airborne Full-Waveform LIDAR - Feasibility, Simulation and Analysis
Airborne LiDAR traffic monitoring vehicle model feasibility simulation
2015/12/9
Automatic acquisition and analysis of traffic-related data has already a long tradition in the remote sensing community. Similarly airborne laser scanning (ALS) has emerged as an efficient means to ac...
Analysis of Full-Waveform LIDAR Data for an Accurate Classification of Urban Areas
lidar signal processing waveform analysis modelling classification urban
2015/12/4
In contrast to conventional airborne multi-echo laser scanner systems, full-waveform (FW) lidar systems are able to record the entire emitted and backscattered signal of each laser pulse. Instead of c...
3D Segmentation of Full Waveform LIDAR Data for Single Tree Detection Using Normalized Cut
LIDAR Segmentation Aerial Survey Clustering Forestry
2015/12/4
The study highlights a novel method to segment single trees in 3D from dense airborne full waveform LIDAR data using the normalized cut segmentation. The key idea is to subdivide the tree area in a vo...
Managing Full Waveform LIDAR Data:A Challenging Task for the Forthcoming Years
Full waveform LIDAR Researches Data management Format Literature review
2015/11/20
This paper proposes to summarize researches and new advances in full waveform lidar data. After a description of full waveform lidar systems, we will review different methodologies developed to proces...
Exploring the Measurement Of Forests With Full Waveform LIDAR through Monte-Carlo Ray Tracing
Forestry structure lidar vegetation simulation 3D modelling satellite
2015/11/20
The error of the height estimates are precisely quantified by comparison with the 3D model height. This paper discusses the development and testing of the inversion of tree height from simulations of ...