Results 31 to 40 of about 250,722 (217)

ANALYSIS AND APPLICATION OF LIDAR WAVEFORM DATA USING A PROGRESSIVE WAVEFORM DECOMPOSITION METHOD [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Due to rich information of a full waveform of airborne LiDAR (light detection and ranging) data, the analysis of full waveform has been an active area in LiDAR application.
J. Zhu, Z. Zhang, X. Hu, Z. Li
doaj   +1 more source

Understanding and Ameliorating Non-Linear Phase and Amplitude Responses in AMCW Lidar [PDF]

open access: yes, 2011
Amplitude modulated continuous wave (AMCW) lidar systems commonly suffer from non-linear phase and amplitude responses due to a number of known factors such as aliasing and multipath inteference. In order to produce useful range and intensity information
Michael J. Cree   +5 more
core   +1 more source

ENHANCED COMPONENT DETECTION ALGORITHM OF FULL-WAVEFORM LIDAR DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
When full-waveform LiDAR (FW-LiDAR) data are applied to extract the component feature information of interest targets, there exist a problem of components lost during the waveform decomposition procedure, which severely constrains the performance of ...
M. Zhou, M. H. Liu, Z. Zhang, J. H. Wang
doaj   +1 more source

Feature Selection and Mislabeled Waveform Correction for Water–Land Discrimination Using Airborne Infrared Laser

open access: yesRemote Sensing, 2021
The discrimination of water–land waveforms is a critical step in the processing of airborne topobathy LiDAR data. Waveform features, such as the amplitudes of the infrared (IR) laser waveforms of airborne LiDAR, have been used in identifying water–land ...
Gang Liang   +3 more
doaj   +1 more source

Tree height inversion combining light detection and ranging and optical remote sensing data [PDF]

open access: yesE3S Web of Conferences, 2020
Tree barriers in transmission line corridors are an important safety hazard.Scientific prediction of tree height and monitoring tree height changes are essential to solve this hidden danger.
Wang Kunlin, Ma Yi, Zhou Fangrong
doaj   +1 more source

SURFACE FITTING FILTERING OF LIDAR POINT CLOUD WITH WAVEFORM INFORMATION [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Full-waveform LiDAR is an active technology of photogrammetry and remote sensing. It provides more detailed information about objects along the path of a laser pulse than discrete-return topographic LiDAR.
S. Xing   +5 more
doaj   +1 more source

Lidar waveform modeling using a marked point process [PDF]

open access: yes2009 16th IEEE International Conference on Image Processing (ICIP), 2009
Lidar waveforms are 1D signal consisting of a train of echoes where each of them correspond to a scattering target of the Earth surface. Modeling these echoes with the appropriate parametric function is necessary to retrieve physical information about these objects and characterize their properties.
Clément Mallet   +4 more
openaire   +3 more sources

Vegetation height products between 60° S and 60° N from ICESat GLAS data. [PDF]

open access: yes, 2012
We present new coarse resolution (0.5 ×0.5 )vegetation height and vegetation-cover fraction data sets between 60 S and 60 N for use in climate models and ecological models.
S. O. Los   +25 more
core   +2 more sources

Closed-form inverses for the mixed pixel/multipath interference problem in AMCW lidar [PDF]

open access: yes, 2012
We present two new closed-form methods for mixed pixel/multipath interference separation in AMCW lidar systems. The mixed pixel/multipath interference problem arises from the violation of a standard range-imaging assumption that each pixel integrates ...
Michael J. Cree   +5 more
core   +1 more source

Land Cover Classification Accuracy Assessment Using Full-Waveform LiDAR Data

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2015
The geomorphology of Taiwan is characterized by marked changes in terrain, geological fractures, and frequent natural disasters. Because of sustained economic growth, urbanization and land development, the land cover in Taiwan has undergone frequent use ...
Kuan-Tsung Chang   +6 more
doaj   +1 more source

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