搜索结果: 16-29 共查到“测绘科学技术 Waveform”相关记录29条 . 查询时间(0.052 秒)
ANALYSIS OF FULL WAVEFORM LIDAR DATA FOR TREE SPECIES CLASSIFICATION
LIDAR analysis segmentation classification forestry vegetation
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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
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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
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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
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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...
ON GROUND SURFACE EXTRACTION USING FULL-WAVEFORM AIRBORNE LASER SCANNER FOR CIM
Airborne laser scanner Full-waveform data Ground surface extraction Evergreen broad-leaved trees Virtual ground surface
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2015/5/21
Satellite positioning systems such as GPS and GLONASS have created significant changes not only in terms of spatial information but also in the construction industry. It is possible to execute a suita...
POTENTIAL OF FULL WAVEFORM AIRBORNE LASER SCANNING DATA FOR URBAN AREA CLASSIFICATIONTRANSFER OF CLASSIFICATION APPROACHES BETWEEN MISSIONS
LiDAR Full-waveform Urban classification
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2015/5/7
Full-waveform (FWF) LiDAR (Light Detection and Ranging) systems have their advantage in recording the entire backscattered signal of each emitted laser pulse compared to conventional airborne discre...
Correcting attenuation effects caused by interactions in the forest canopy in full-waveform airborne laser scanner data
Full-waveform airborne laser scanning attenuation correction waveform history analysis
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2014/9/9
Full-waveform airborne laser scanning offers a great potential for various forestry applications. Especially applications requiring information on the vertical structure of the lower canopy parts bene...
DEVELOPING A 3D WAVEFORM LIDAR SIMULATOR FOR FOREST
Simulation 3D full polygons Echo signal TEM00 Visualization
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2014/4/30
Waveform LiDAR systems is widely used in several fields such as terrain survey, disaster monitoring and forest monitoring. Especially, in forest research, using an echo signal is expected for understa...
EXPLORING WEAK AND OVERLAPPED RETURNS OF A LIDAR WAVEFORM WITH A WAVELET-BASED ECHO DETECTOR
LIDAR Detection Algorithm Simulation Accuracy
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2014/4/29
Full waveform data recording the reflected laser signal from ground objects have been provided by some commercial airborne LIDAR systems in the last few years. Waveform data enable users to explore mo...
WAVEFORM ANALYSIS FOR THE EXTRACTION OF POST-FIRE VEGETATION CHARACTERISTICS
Full Waveform laser scanner vegetation height distribution airborne lidar survey
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2014/4/29
Full-waveform is becoming increasingly available in today's LiDAR systems and the analysis of the full return signal can provide additional information on the reflecting surfaces. In this paper we pre...
LIDAR WAVEFORM SIMULATION OVER COMPLEX TARGETS
Simulation LIDAR Waveform sub-beam geometry radiometry Model
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2014/4/29
Unlike discrete-return LIDAR system that measures the return times of some echoes, waveform LIDAR provides the full-waveform data by digitising multi-echoes. From the waveform data we can extract more...
COMPARISON OF DISCRETE RETURN AND WAVEFORM TERRESTRIAL LASER SCANNING FOR DENSE VEGETATION FILTERING
Terrestrial Laser Scanner DTM full-waveform analysis vegetation filtering multi-target capability
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2014/4/29
In this paper we present the results of the comparison between two terrestrial laser scanners (TLS), a discrete return system (Riegl LMS-Z620) and an echo-digitizing system (Riegl VZ-400), employed fo...
FULL WAVEFORM ACTIVE HYPERSPECTRAL LIDAR
Full waveform Hyperspectral LiDAR Supercontinuum Reflectance Spectral indices
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2014/4/29
We have developed a prototype full waveform hyperspectral LiDAR and investigated its potential for remote sensing applications. Traditionally hyperspectral remote sensing is based on passive measureme...
DETECTION OF WATER SURFACES IN FULL-WAVEFORM LASER SCANNING DATA
Airborne laser scanning full waveform classification water
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2014/6/5
Airborne laser scanning has become a standard method for recording topographic data. A new generation of laser scanners digitises
the complete waveform of the backscattered signal and thus offers th...