搜索结果: 1-13 共查到“大地测量技术 Laser”相关记录13条 . 查询时间(0.093 秒)
CLASSIFICATION OF DUAL-WAVELENGTH AIRBORNE LASER SCANNING POINT CLOUD BASED ON THE RADIOMETRIC PROPERTIES OF THE OBJECTS
airborne laser scanning LiDAR multispectral laser scanning classification OPALS GNDVI
2018/6/4
Airborne laser scanning (ALS) is a well-known and willingly used technology. One of the advantages of this technology is primarily its fast and accurate data registration. In recent years ALS is conti...
MODELLING QUALITATIVE AND QUANTITATIVE UNCERTAINTIES OF OBJECTS EXTRACTED FROM HIGHRESOLUTION MULTI-SPECTRAL IMAGES AND LASER SCANNING DATA
Quality Uncertainty Object Extraction
2015/6/1
An object-based approach is applied in land-cover feature extraction from high-resolution multi-spectral images and laser scanning
data in this research. Objects extracted from high-resolution spect...
UPDATING DIGITAL GEOGRAPHIC DATABASE USING VEHICLE-BORNE LASER SCANNERS AND LINE CAMERAS
Data Fusion Vehicle-borne
2015/6/1
VLMS is a mobile mapping system, where three single-row laser range scanners, six line CCD cameras as well as a GPS/INS based
navigation unit are mounted on a van, measuring object geometry as well ...
FUSING AIRBORNE LASER SCANNER DATA AND AERIAL IMAGERY FOR THE AUTOMATIC EXTRACTION OF BUILDINGS IN DENSELY BUILT-UP AREAS
Building, Extraction LIDAR
2015/6/1
Using airborne laser scanner data, buildings can be detected automatically, and their roof shapes can be reconstructed. The success
rate of building detection and the level of detail of the resultin...
RECONSTRUCTING TREE CROWNS FROM LASER SCANNER DATA FOR FEATURE EXTRACTION
Reconstruction Feature Extraction Laser Scanning
2015/3/25
The objective of this study was to carry out reconstruction of single tree crowns from laser scanner data to use the obtained vector
model for feature extraction. The reconstruction was implemented i...
QUALITY ASSESSMENT OF DTM AND ORTHOPHOTO GENERATED BY AIRBORNE LASER SCANNING SYSTEM USING AUTOMATED DIGITAL PHOTOGRAMMETRY
DTM Airborne Laser Scanning System Digital Camera
2015/3/24
The approach of using an airborne laser scanning for DTM generation has made great progress recently. However, it is not always
clear the reliability and the quality of the geometry that characteris...
ENGINEERING AND ENVIRONMENTAL APPLICATIONS OF LASER SCANNER TECHNIQUES
LIDAR Close Range Engineering Environment Software
2015/3/24
The recent introduction of laser scanning devices has led to a set of new surveying products for the field of civil engineering and
environmental analysis. The laser scanner is an instrument that pe...
ASSESSMENT OF FOREST PARAMETERS BY MEANS OF LASER SCANNING
Forest Inventory Laser Scanning Data Segmentation
2015/3/24
This paper deals with forest inventory methods based on laser scanning and satellite remote sensing. It will be demonstrated to what
extent forest inventories can benefit from the synergistic use of...
ON THE ESTIMATION OF PLANIMETRIC OFFSETS IN LASER ALTIMETRY DATA
Laser altimetry strip adjustment
2015/3/24
Offsets between overlapping strips of laser altimetry data serve as the input for strip adjustment procedures that estimate and
eliminate systematic errors in laser altimetry datasets. For a three-di...
3D RESAMPLING FOR AIRBORNE LASER DATA OF URBAN AREAS
laser scanning urban areas irregular sampling DEM
2015/3/24
We consider the problem of resampling for the data obtained by laser scanning on an irregular grid. The data obtained by
airborne laser scanning are scattered, and the resampling on a regular grid is...
KNOWLEDGE-BASED BUILDING DETECTION BASED ON LASER SCANNER DATA AND TOPOGRAPHIC MAP INFORMATION
Segmentation building detection airborne laser scanning
2015/3/24
Laser scanner data is being increasingly used to obtain topographical and object height information for mapping and GIS tasks.
Valuable information can be derived of the terrain and objects of a reg...
GROUND SURFACE ESTIMATION FROM AIRBORNE LASER SCANNER DATA USING ACTIVE SHAPE MODELS
Ground Surface Estimation Laser Scanning
2015/3/24
Various filtering techniques exist to obtain the ground from laser radar data to use when building digital terrain models. This paper
develops an active shape model approach to estimate the ground s...
COMBINED APPLICATION OF AEROPHOTOGRAMMETRY,LASER SCANNING AND DYNAMIC SEGMENTATION TO RECONSTRUCT THREE-DIMENSIONAL WATERCOURSE NETWORKS
Analytical and Digital Photogrammetry Airborne Laser Scanning Digital Terrain Model GIS, Dynamic Segmentation Watercourse Networks
2015/2/3
The data generation of highly detailed digital terrain models including an integrated 3D watercourse network is a requirement of the extensive approval and monitoring process within the environmental ...