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[PDF] Top 20 Terrain surfaces and 3 D landcover classification from small footprint full waveform lidar data: application to badlands

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Terrain surfaces and 3 D landcover classification from small footprint  full waveform lidar data: application to badlands

Terrain surfaces and 3 D landcover classification from small footprint full waveform lidar data: application to badlands

... derived from heavy in situ equipments on outlets or from isolated and punctual observations within ...on badlands (Mathys et ...rive 3-D landcover classes controlling rainfall ... See full document

14

From LiDAR waveforms to Hyper Point Clouds: a novel data product to characterize vegetation structure

From LiDAR waveforms to Hyper Point Clouds: a novel data product to characterize vegetation structure

... DR LiDAR data through directly transforming all waveform intensities into points with the aid of georeferenced ...FW LiDAR data processing directly extracts vegetation’s vertical ... See full document

38

A Signal processing approach for preprocessing and 3d analysis of airborne small-footprint full waveform lidar data

A Signal processing approach for preprocessing and 3d analysis of airborne small-footprint full waveform lidar data

... the application of generating gridded DEM surfaces from sparse LiDAR point ...nadir waveform: (a) Each time bin is associated with the proper 3D x, y, z spatial coordinates and ... See full document

142

Accuracy assessment of LiDAR elevation data using survey marks

Accuracy assessment of LiDAR elevation data using survey marks

... LiDAR data were collected using an Optech ALTM 3025 laser scanner from a fixed wing aircraft at flying heights of 2,000 m above ground from 19 July 2003 to 10 August ...laser footprint ... See full document

14

Identification of flooded road segments using LIDAR elevation data and 3-D road data

Identification of flooded road segments using LIDAR elevation data and 3-D road data

... Figure 29 shows the testing results by applying the first improving measure as described earlier. In this case, the interval is no longer uniform. The flood level is 2ft. In addition, the procedure illustrated in Figure ... See full document

37

Object-based Urban Building Footprint Extraction and 3D Building Reconstruction from Airborne LiDAR Data

Object-based Urban Building Footprint Extraction and 3D Building Reconstruction from Airborne LiDAR Data

... and small height difference between the first and last returns as building ...and small areas for urban trees that are somewhat ...subtracted from the radius of the smallest enclosing ellipse ... See full document

131

Extraction of thalweg networks from DTMs: application to badlands

Extraction of thalweg networks from DTMs: application to badlands

... (far from the tested values), local neighbourhood convergence indices can limit network extraction and be un- suitable for network extraction in wide or rough ...a 3 × 3 moving ... See full document

10

The effectiveness of cartographic visualisations in landscape archaeology

The effectiveness of cartographic visualisations in landscape archaeology

... The results of such transformations for Cockfield Fell are shown in Figures 2 to 5, each of which gives an improved rendering of the terrain surface compared to the aerial photograph in Figure 1, and allows for ... See full document

5

Investigating the use of 3-D full-waveform inversion to characterize the host rock at a geological disposal site

Investigating the use of 3-D full-waveform inversion to characterize the host rock at a geological disposal site

... too small (2–3 m) to be detected using the modelling and seismic survey parameters chosen in this study (see Sections ...expected footprint of the underground facility and 150 m vertically, to ... See full document

12

Pathological and Test Cases For Reeb Analysis

Pathological and Test Cases For Reeb Analysis

... Abstract After two decades in computational topology, it is clearly a computation- ally challenging area. Not only do we have the usual algorithmic and programming difficulties with establishing correctness, we also have ... See full document

8

Automated wind turbine wake characterization in complex terrain

Automated wind turbine wake characterization in complex terrain

... distances from the wind turbine (i.e. y is set to 2, 2.5, 3, ...distance from a direct transect to the wind turbine) and z height (where z is defined from the elevation of the wind turbine hub ... See full document

22

3 D Modelling of the Confederation Bridge Using  Data of Full Scale Tests

3 D Modelling of the Confederation Bridge Using Data of Full Scale Tests

... Given the available data described in Sections 4.1 to 4.4, the following parameters were used as reference parameters in the calibration of the model: • Tilts at locations 3 and 4 of pie[r] ... See full document

8

LIDAR INVESTIGATIONS OF SNOW DISTRIBUTION IN MOUNTAINOUS TERRAIN

LIDAR INVESTIGATIONS OF SNOW DISTRIBUTION IN MOUNTAINOUS TERRAIN

... Snow-volume estimates can be combined with snow density measurements to estimate snow-water equivalent (SWE). This method should decrease field time and improve the accuracy of basin e[r] ... See full document

74

Accounting for Wood, Foliage Properties and Laser Effective Footprint in Estimations of Leaf Area Density from multiview-LiDAR Data

Accounting for Wood, Foliage Properties and Laser Effective Footprint in Estimations of Leaf Area Density from multiview-LiDAR Data

... The new estimator accounts for vegetation element size, wood volume and hits, correction 304. factors for effective footprint, vegetation clumping and orientation, and multi[r] ... See full document

33

3 D Content Based Retrieval and Classification with Applications to Museum Data

3 D Content Based Retrieval and Classification with Applications to Museum Data

... The classication work has shown that the descriptors used in this work are not discrim- inating enough for ne grained classications, but reasonable results can be obtained with fewer classes. We have seen that the ... See full document

163

Study on the LandCover Classification using UAV Imagery

Study on the LandCover Classification using UAV Imagery

... A low-resolution satellite image can be obtained repeatedly on a short cycle, but for a space with a relatively small area such as a small river, such an image has low spatial resolution so that it is not ... See full document

8

The Preferential Loss of Small Geographically Isolated Wetlands on Prairie Landscapes

The Preferential Loss of Small Geographically Isolated Wetlands on Prairie Landscapes

... of terrain objects, we were able to decrease the omission error by ...reference data set that were encompassed by one wetland with corridors in between the individual wetlands in the reference ...reference ... See full document

78

The Geolocation Accuracy of LiDAR Footprint

The Geolocation Accuracy of LiDAR Footprint

... LiDAR data are used for generating the maps of urban areas at large ...scale. LiDAR facilitates identification of buildings from the point cloud of data points, which are important for ... See full document

8

Extracting structural vegetation components from small-footprint waveform LiDAR data in savanna ecosystems

Extracting structural vegetation components from small-footprint waveform LiDAR data in savanna ecosystems

... /01023456378912:/74501:03;<1:= :8:07>?045<7@ 76A2<BC23<06= 0;<1:= :8:= 7<> 73D4= E 0<40230> 7481= <67<452324:03= F2:= 7<7>12G2<<20471A1:0H181= <6B2:247@ @ 04:0B> 37H ... See full document

174

Towards scale-invariant aboveground biomass estimation in Savanna ecosystems using small-footprint waveform lidar

Towards scale-invariant aboveground biomass estimation in Savanna ecosystems using small-footprint waveform lidar

... raw waveform data to extract the location of canopy interactions in 3D ...against lidar-derived metrics of corresponding ...reliability 3 and ease of input into well developed biomass ... See full document

17

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