搜索结果: 46-60 共查到“知识库 大地测量技术”相关记录398条 . 查询时间(3.902 秒)
Automated Visual Traffic Monitoring and Surveillance Through a Network of Distributed Units
Computer Vision Visual Analysis Fusion Location Based Services Calibration Change Detection Matching
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2015/12/9
This work aims to present an intelligent system for tracking moving targets (such as vehicles, persons etc) based on a network of distributed autonomous units that capture and process images from one ...
Automatic Road Vector Extraction for Mobile Mapping Systems
Mobile Mapping Computer Vision Road Geometry Lane Line Automatic Extraction VISAT™
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2015/12/9
Land-based mobile mapping systems have yielded an enormous time saving in capturing road networks and their surrounding. However, the manual extraction of the road information from the mobile mapping ...
Semi-Automatic Orientation of Images With Respect to a Point Cloud System
Adjustment automation calibration detection matching orientation programming
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2015/12/8
This paper presents the results of a master thesis in which it was tried to orient a set of images of an object to a point cloud of the same object. As test object the “Semper Sternwarte” in Zürich wa...
Evaluation of Relative Pose Estimation Methods for Multi-Camera Setups
Camera motion estimation multi-view geometry relative orientation algorithm comparison
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2015/12/8
The fully automatic and reliable calculation of the relative camera pose from image correspondences is one of the challenging tasks in photogrammetry and computer vision. The problem has not been solv...
Using in Volume Computing of Digital Close Range Photogrammetry
Volume Computing 3D Model Close Range Photogrammetry
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2015/12/8
It is important to know cutting and filling volumes in many survey, engineering and mining works. Volume calculation, generally, are completed with classic surveying methods. The trapezoidal method (r...
On the Quality of Automatic Relative Orientation Procedures
Sensor orientation comparative analysis accuracy assessment matching
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2015/12/8
This paper presents an empirical investigation into the quality of automatic relative orientation procedures. The results of an in-house developed automatic orientation software called AURELO (Labe an...
Precision and Reliability of GPS-Coordinates of Projection Centers in Real Aerial Triangulations
Adjustment Analysis Block GPS/INS Precision Reliability
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2015/12/8
The aim of this study was to determine the precision of GPS-coordinates of projection centres obtained in photogrammetric production in Poland. The second aim of the work was to estimate the reliabili...
Interpretation Terrestrial Images of Urban Scenes Using Discriminative Random Fields
Markov random fi eld parameter learning pseudo-likelihood man-made structure detection
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2015/12/4
We investigate Discriminative Random Fields (DRF) which provide a principled approach for combining local discriminative classifiers that allow the use of arbitrary overlapping features, with ad...
Triangulated Irregular Network (TIN) is a high-effect means expressing the terrain surface in the computer, compared with GRID model, TIN model can use less sampling to approach the terrain surface pr...
A Framework for the Fusion of Digital Elevation Models
Multi-source data Fusion Integration Quality Control Spatio-temporal Digital Elevation Model
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2015/12/3
In recent years, collection and processing techniques for Digital Elevation Models (DEMs) generation have improved rapidly, allowing surfaces to be represented with more detail and accuracy. Fusion of...
Spatial Prediction of Transport Related Urban Air Quality
Quality Statistics Pollution Environment GIS
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2015/12/3
The aim of this study is to explore the relationship between, transport, land-use and air quality and mapping of air pollutants by means of spatial information sciences, which would provide useful inf...
3D Modeling and Data Organization of Power Transmission based on Digital Earth
Digital Earth LOD Power Transmission GIS Modeling Data Organization
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2015/12/2
Since the moment Google Earth launched by Google company, the subject of geographic information system (GIS in short) has made great progress. While, the traditional two-dimensional and three-dimensio...
A Study of the Theory and Modeling of Battlefield Environment Analysis Based on Geographic Information
Battlefield environment analysis quantitative analysis qualitative analysis mathematical modeling
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2015/12/2
Battlefield environment is the basement of the military action. It is very significant for commanders to considerate and make full use of it in decision-making. New requirement has been put foreword, ...
Quality Inspection and Quality Improvement by Map Fusion
Data Fusion Matching Quality Inspection
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2015/12/2
In this paper a new approach for quality measurement and improvement using map matching and map fusion is introduced. In the first part we describe a matching model based on “Buffer growing”. The matc...
Study on Overlaying Remote Sensing Image on Surface-underground Contrast Plan
Digital Mapping Registration Terrestrial Photogrammetry
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2015/12/2
Surface-underground contrast plan, as one of the most important engineering maps in the general safety management and production of the coalmine, overlays both topographical map and underground mining...