搜索结果: 1-8 共查到“工学 Surface extraction”相关记录8条 . 查询时间(0.156 秒)
ON GROUND SURFACE EXTRACTION USING FULL-WAVEFORM AIRBORNE LASER SCANNER FOR CIM
Airborne laser scanner Full-waveform data Ground surface extraction Evergreen broad-leaved trees Virtual ground surface
2015/5/21
Satellite positioning systems such as GPS and GLONASS have created significant changes not only in terms of spatial information but also in the construction industry. It is possible to execute a suita...
AUTOMATED SURFACE EXTRACTION IN REAL TIME PHOTOGRAMMETRY
Algorithms Multi-sensor Real-time Surface Reconstruction
2015/1/6
Considerable research attention has been given to close-range videometric systems for vision-based, three-dimensional object measurement over recent years. These systems have to demonstrate high speed...
COMPLEMENTARITY OF LIDAR AND STEREO IMAGERY FOR ENHANCED SURFACE EXTRACTION
Sensor Integration LIDAR Digital Imaging Sensors GPS/INS DEM Airborne Mapping
2014/12/31
Modern, integrated GPS/INS-based direct orientation systems, combined with multi-sensor imaging hardware such as digital cameras and laser ranging devices, allow the simultaneous collection of indepen...
INTEGRATION OF OBJECT AND FEATURE MATCHING FOR OBJECT SURFACE EXTRACTION
Matching Digital Elevation Model DEM Dynamic Programming Signal Matching Feature Matching
2014/12/31
A stereo matching algorithm is developed for object surface construction. The matching problems are addressed by the integration of signal and feature matching. The innovative strategy arises within t...
INTEGRATION OF DIFFERENT FILTER ALGORITHMS FOR IMPROVING THE GROUND SURFACE EXTRACTION FROM AIRBORNE LIDAR DATA
Airborne LiDAR Filter algorithm Integration Filtering error Statistics
2014/4/24
An important step for processing airborne Light Detection And Ranging (LiDAR) data is point cloud filtering. Points striking on
vegetation and man-made objects and low points (points significantly l...
Surface Extraction from Point-Sampled Data through Region Growing
point-sampled geometry surface reconstruction surface extraction
2009/8/19
As three-dimensional range scanners make large point clouds a more common initial representa-tion of real world objects, a need arises for algorithms that can efficiently process point sets. In this p...
Surface Extraction from Multi-material CT Data
Computed Tomography Medial Axis/Surface Contouring
2009/8/19
This paper describes a method for extracting surfaces from multi-material CT (Computed Tomography) data. Most contouring methods such as Marching Cubes algorithm assume that CT data are composed of on...
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
2015/6/1
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...