搜索结果: 1-15 共查到“工学 laser scanner data”相关记录59条 . 查询时间(0.086 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
font style='font-size:12px;'>
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...
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
font style='font-size:12px;'>
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, ...
Integrated Processing of Terrestrial Laser Scanner Data and Fisheye-Camera Image Data
Laser scanning fisheye lens bundle adjustment
font style='font-size:12px;'>
2015/12/17
The paper presents the integration of a geometric model of fisheye lenses and a geometric terrestrial laser scanner model in a bundle
block adjustment. The model allows for a full integration of hemi...
Towards Automatic Feature Line Modeling from Terrestrial Laser Scanner Data
3D line extraction Feature line Modelling Automation
font style='font-size:12px;'>
2015/12/16
For the representation of objects or scenes different representation forms are utilised. While for some tasks a point cloud
representation or a triangulation of the point cloud is sufficient, a bound...
Terrestrial Laser Scanner Data Denoising by Range Image Processing for Small-Sized Objects
Terrestrial Laser Scanning Denoising Modelling
font style='font-size:12px;'>
2015/12/16
The question of 3D data denoising has become a subject of intense research with the development of low cost acquisition systems.
Recent works are based mainly on the adaptation of standard denoising ...
Line-Based Referencing between Images and Laser Scanner Data for Image-Based Point Cloud Interpretation in a CAD-Environment
Close range photogrammetry Terrestrial laser scanning Data fusion
font style='font-size:12px;'>
2015/12/16
Photogrammetric 3D object reconstruction can be obtained from images or laser scanner data. Because of their complementary
characteristics, these data are suitable for a combined interpretation. In t...
On Improvement of Accuracy of Airborne Laser Scanner Data Using Digital Images
LIDAR Integration Aerial Photogrammetry GPS/INS Bundle Adjustment Georeferencing
font style='font-size:12px;'>
2015/11/20
Airborne laser scanner is useful system for acquiring point clouds 3D data with real-time, and it came to be generally used in the late 1990s. Airborne laser scanner have effectiveness in extracting m...
EXTRACTING STRUCTURAL CHARACTERISTICS OF DORMANT HERBACEOUS FLOODPLAIN VEGETATION FROM AIRBORNE LASER SCANNER DATA
Floodplains, Herbaceous vegetation Leaf-off vegetation height vegetation density
font style='font-size:12px;'>
2015/11/10
To map spatial patterns of floodplain vegetation structure for hydrodynamic modelling, airborne laser scanning is a promising tool. In a test for the lower Rhine floodplain, vegetation height and dens...
USING AIRBORNE LASER SCANNER DATA IN FORESTRY MANAGEMENT:A NOVEL APPROACH TO SINGLE TREE DELINEATION
Laser Scanning Single Tree Delineation Forestry 3D GIS
font style='font-size:12px;'>
2015/11/10
Lately, laser scanning even of huge areas has become economically sensible due to new airborne laser-scanners delivering higher resolutions and measurement frequency. In this paper we will describe a ...
INTEGRATED BUNDLE ADJUSTMENT WITH VARIANCE COMPONENT ESTIMATION–FUSION OF TERRESTRIAL LASER SCANNER DATA,PANORAMIC AND CENTRAL PERSPECTIVE IMAGE DATA
Bundle adjustment variance component estimation laser scanner camera panorama calibration
font style='font-size:12px;'>
2015/11/10
Terrestrial laser scanners and digital cameras can be considered largely complementary in their properties. Several instruments combine a laser scanner and a camera, with the laserscanner providing ge...
ASSESSING EFFECTS OF LASER POINT DENSITY ON BIOPHYSICAL STAND PROPERTIES DERIVED FROM AIRBORNE LASER SCANNER DATA IN MATURE FOREST
Airborne laser scanner Canopy density Canopy height Pulse density
font style='font-size:12px;'>
2015/11/10
Canopy height distributions were created from small-footprint airborne laser scanner data for mature coniferous forest in two forest areas in Norway. In total, 82 and 70 georeferenced field sample plo...
TERRAIN EXTRACTION BY INTEGRATING TERRESTRIAL LASER SCANNER DATA AND SPECTRAL INFORMATION
Terrestrial Laser Scanner Colour Image Spectral Information
font style='font-size:12px;'>
2015/11/3
The extraction of true terrain points from unstructured laser point cloud data is an important process in order to produce an accurate digital terrain model (DTM). However, most of these spatial filte...
EXTENSION OF AN AUTOMATIC BUILDING EXTRACTION TECHNIQUE TO AIRBORNE LASER SCANNER DATA CONTAINING DAMAGED BUILDINGS
Laser scanning LIDAR Point Cloud DSM Segmentation Extraction Building Disaster
font style='font-size:12px;'>
2015/9/17
Airborne laser scanning systems generate 3-dimensional point clouds of high density and irregular spacing. These data consist of multiple returns coming from terrain, buildings, and vegetation. The ma...
ADDING THE THIRD DIMENSION TO A TOPOGRAPHIC DATABASE USING AIRBORNE LASER SCANNER DATA
3D Reconstruction topographic features data fusion laser scanner data segmentation modelling
font style='font-size:12px;'>
2015/8/31
Laser altimetry provides reliable and detailed 3D data, which to certain extent, can be processed (semi-)automatically into 3D information. The use of an additional source of information, like 2D GIS ...
NEW APPROACH FOR AUTOMATIC DETECTION OF BUILDINGS IN AIRBORNE LASER SCANNER DATA USING FIRST ECHO ONLY
LIDAR Urban Processing Detection Building Segmentation Classification
font style='font-size:12px;'>
2015/8/31
Airborne laser scanning has become a significant 3D data acquisition technique in the field of surveying. By measuring point clouds defined in three-dimensional coordinates, this technique provides al...