搜索结果: 1-15 共查到“遥感信息工程 Waveform”相关记录22条 . 查询时间(0.058 秒)
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 ...
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...
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...
WAVEFORM ANALYSIS TECHNIQUES IN AIRBORNE LASER SCANNING
LIDAR Waveform Analysis Pulse detection Decomposition Deconvolution Point cloud
2015/11/10
Small-footprint airborne laser scanners with waveform-digitising capabilities are becoming increasingly available. Waveformdigitising is particularly advantageous when the backscattered echo waveform ...
A METHOD OF DIRECTLY ESTIMATING STEMWOOD VOLUME FROM GLAS WAVEFORM PARAMETERS
Lidar Satellite Vegetation Forestry Inventory
2015/11/10
Methods of estimating stemwood volume from ICESat/ GLAS lidar waveforms are explored for a mixed temperate forest, the Forest of Dean, Gloucestershire, UK. Previous methods have used maximum canopy he...
COMBINED TREE SEGMENTATION AND STEM DETECTION USING FULL WAVEFORM LIDAR DATA
LIDAR Analysis Segmentation Forestry Vegetation
2015/11/10
The study highlights a new method for the delineation of tree crowns and the detection of stem positions of single trees from dense airborne LIDAR data. At first, we combine a method for surface recon...
ICESAT FULL WAVEFORM ALTIMETRY COMPARED TO AIRBORNE LASER ALTIMETRY OVER THE NETHERLANDS
Full waveform DTM AHN Laser altimetry ICESat
2015/11/10
Since 2003 the spaceborne laser altimetry system on board of NASA’s Ice, Cloud and land Elevation Satellite (ICESat) has acquired a large world-wide database of full waveform data organized in 15 prod...
PROCESSING FULL-WAVEFORM LIDAR DATA:MODELLING RAW SIGNALS
lidar waveform analysis signal processing modelling generalized Gaussian
2015/11/10
Unlike airborne multi-echo laser scanner systems, full-waveform systems are able to digitize and record the entire backscattered signal of each laser pulse. It has been demonstrated that decomposing t...
PRECISE RANGE ESTIMATION ON KNOWN SURFACES BY ANALYSIS OF FULL-WAVEFORM LASER
Accuracy Analysis Laser scanning LIDAR Measurement Full-waveform
2015/8/31
Laser range data analysis is of high interest in photogrammetry. Range estimation for complex surface structures can be inaccurate.To overcome this drawback a method using a laser scanner capable of f...
ANALYSIS OF FULL WAVEFORM LIDAR DATA FOR TREE SPECIES CLASSIFICATION
LIDAR analysis segmentation classification forestry vegetation
2015/8/31
The paper describes an approach to tree species classification based on features that are derived by a waveform decomposition of full waveform LIDAR data. Firstly, 3D points and their attributes are e...
PRECISE RANGE ESTIMATION ON KNOWN SURFACES BY ANALYSIS OF FULL-WAVEFORM LASER
Accuracy Analysis Laser scanning LIDAR Measurement Full-waveform
2015/8/28
Laser range data analysis is of high interest in photogrammetry. Range estimation for complex surface structures can be inaccurate.To overcome this drawback a method using a laser scanner capable of f...
ANALYSIS OF FULL WAVEFORM LIDAR DATA FOR TREE SPECIES CLASSIFICATION
LIDAR analysis segmentation classification forestry vegetation
2015/8/28
The paper describes an approach to tree species classification based on features that are derived by a waveform decomposition of full waveform LIDAR data. Firstly, 3D points and their attributes are e...
WAVEFORM PROCESSING OF LASER PULSES FOR RECONSTRUCTION OF SURFACES IN URBAN AREAS
Urban Analysis Laser scanning LIDAR Measurement Feature
2015/8/3
In this paper we describe investigations for digital recording of received laser pulses and a detailed analysis of the pulse waveform.In contrast to previous works using a single photon detection tech...