搜索结果: 136-150 共查到“知识库 雷达工程 LiDAR”相关记录152条 . 查询时间(0.09 秒)
AIRBORNE LIDAR FEATURE SELECTION FOR URBAN CLASSIFICATION USING RANDOM FORESTS
Lidar Full-waveform Classifi cation Feature selection Random Forests Urban scenes
2009/2/19
Various multi-echo and Full-waveform (FW) lidar features can be processed. In this paper, multiple classifers are applied to lidar
feature selection for urban scene classification. Random fores...
NORMALIZATION OF LIDAR INTENSITY DATA BASED ON RANGE AND SURFACE INCIDENCE ANGLE
Full-waveform intensity normalization Lambertian law Phong model diffuse specular reflectance
2009/2/19
The analysis of airborne laser scanner data to extract surface features is of great interest in photogrammetric research. Especially for
applications based on airborne measurements, where the intens...
AUTOMATIC 3D POWERLINE RECONSTRUCTION USING AIRBORNE LiDAR DATA
Corridor Mapping LiDAR 3D Reconstruction Least-squared Adjustment
2009/1/29
The safety of powerline infrastructure significantly affects our everyday life and industrial activities. There are many factors and objects to threaten powerline safety, which include encroaching veg...
INDIVIDUAL TREE DETECTION BASED ON DENSITIES OF HIGH POINTS OF HIGH RESOLUTION AIRBORNE LIDAR
Airborne LiDAR densities of high points tree detection Inverse Watershed segmentation
2008/11/16
The retrieval of individual tree location from Airborne LiDAR has focused largely on utilizing canopy height. However, high resolution
Airborne LiDAR offers another source of information for tree de...
EXTRACTION OF RAILROAD OBJECTS FROM VERY HIGH RESOLUTION HELICOPTER-BORNE LIDAR AND ORTHO-IMAGE DATA
LIDAR object extraction three-dimensional GIS integration
2008/11/16
LiDAR (Light Detection and Ranging) sensors and digital aerial camera systems using a slow and low flying aircraft provide a new
quality of data for a variety of promising large-scale applications. ...
AUTOMATIC DELINEATION OF FOREST STANDS FROM LIDAR DATA
LiDAR segmentation automatic stand delineation stand definition stand quality
2008/11/16
Stands are the basic unit of forest management and information. The main disadvantage of stands is the labour-intensive updating
work needed and the high variance in the quality of the results due t...
LIBRARY CONCEPT AND DESIGN FOR LIDAR DATA PROCESSING
lidar data Point Cloud Design Data Management System
2008/11/16
Airborne Laser Scanning (ALS) is nowadays a very popular technology providing accurate altimetric data for remote sensing and
mapping purposes. Therefore, many algorithms have been developed so far t...
LIDAR DATA SEGMENTATION AND CLASSIFICATION BASED ON OCTREE STRUCTURE
Lidar Laser Scanning Feature Extraction
2004/6/1
Lidar (or laser scanning) has become a viable technique for the collection of a large amount of accurate 3D point data densely
distributed on the scanned object surface. The inherent 3D nature of th...
A ROBUST METHOD FOR FILTERING NON-GROUND MEASUREMENTS FROM AIRBORNE LIDAR DATA
LIDAR, DEM/DTM Data Surface Detection
2004/6/1
This paper proposes a new filtering method of non-ground measurements from airborne LIDAR data through a Simultaneous
AutoRegressive (SAR) analytical model and exploiting a Forward Search (FS) algor...
A method for the automatic detection of roads from airborne laser scanner data is presented. Traditionally, intensity
information has not been used in feature extraction from LIDAR data because the d...
A ROBUST METHOD USED WITH ORTHOGONAL POLYNOMIALS AND ROAD NETWORK FOR AUTOMATIC TERRAIN SURFACE EXTRACTION FROM LIDAR DATA IN URBAN AREAS
LIDAR DTM ALGORITHMS EXTRACTION
2004/6/1
The data provided by LIDAR systems are presented in a dense, accurate three-dimensional form without point classification, such as
buildings, trees roads, terrain, etc. The principal objective of th...
Collecting Performance of a Lidar Telescope at Short Distances
Collecting Performance a Lidar Telescope Short Distances
1995/4/15
Collecting Performance of a Lidar Telescope at Short Distances.
Development of the Lidar Pump-and-Probe Technique for >Remote Measuring the Efficiency of Primary Photochemical Reactions in Leaves of Green Plants
the Lidar Pump-and-Probe Technique Remote Measuring the Efficiency Primary Photochemical Reactions in Leaves of Green Plants
1995/4/15
Development of the Lidar Pump-and-Probe Technique for >Remote Measuring the Efficiency of Primary Photochemical Reactions in Leaves of Green Plants.
Algae and Mucillagine Monitoring by Fluorescence Lidar Experiments in Field
Algae Mucillagine Monitoring Fluorescence Lidar Experiments in Field
1995/4/15
Algae and Mucillagine Monitoring by Fluorescence Lidar Experiments in Field.
Lidar Field Experiments for Monitoring Sea Water Column Temperature
Lidar Field Experiments Monitoring Sea Water Column Temperature
1995/4/15
Lidar Field Experiments for Monitoring Sea Water Column Temperature.