搜索结果: 1-15 共查到“地图制图技术 2-D features”相关记录27条 . 查询时间(0.024 秒)
APPLICATION OF MLS DATA TO THE ASSESSMENT OF SAFETY-RELATED FEATURES IN THE SURROUNDING AREA OF AUTOMATICALLY DETECTED PEDESTRIAN CROSSINGS
Mobile Mapping System 3D Point Cloud Processing Road Marking Classification Accessibility Analysis
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2018/6/5
During the last few years, there has been a huge methodological development regarding the automatic processing of 3D point cloud data acquired by both terrestrial and aerial mobile mapping systems, mo...
USING MOBILE LASER SCANNING DATA FOR FEATURES EXTRACTION OF HIGH ACCURACY DRIVING MAPS
High Accuracy Driving Maps Intelligent Drive Assistant Systems Hierarchical Classification Semantic Labelling
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2016/7/27
High Accuracy Driving Maps (HADMs) are the core component of Intelligent Drive Assistant Systems (IDAS), which can effectively reduce the traffic accidents due to human error and provide more comforta...
NEW METHODOLOGY OF REPRESENTING THE POSITIONAL ERROR OF NONPOINT FEATURES IN GIS
Positional error Non-point feature Indicators Shape similarity
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2016/1/3
Traditionally, RMSE is used to represent the positional error of GIS features including point, linear and area features. Although RMSE can reflect the error of point features effectively and accuratel...
MULTI-RESOLUTION REPRESENTATION OF DIGITAL TERRAIN MODELS WITH TOPOGRAPHICAL FEATURES PRESERVATION
Geometry Geomorphology Extraction Simplification Feature Multi-resolution
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2015/12/23
Multi-resolution TIN model is a promising solution for achieving rapid visualization speed and interactive frame rates in the contexts of visualization, virtual reality (VR), and geographic informatio...
Semi-Automatic Extraction of Features from Digital Imagery
Image Segmentation Semi-Automatic Feature Extraction Fast-Marching Level-Set
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2015/12/16
Aerial photographs have been evaluated manually by the operators for a long time for the extraction of the vector data. The development of computer technology and digital image processing technologies...
A WFS Based Geographical Features Service Approach for Internet GIS
Web GIS Online Map Web Service Web Feature Service GML
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2015/12/2
While Web Service based Web GIS architecture has undergone the significant development in recently decade years, most of them, for instance, Google Maps, Yahoo Maps and other online maps or web-based ...
A Concept for Integrating Time-dependent Features in 3D Building Models
3D City Model Spatiotemporal Modelling CityGML Query Visualization
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2015/12/1
The 3D buildings change over the time not only geometrically, but also semantically. However, the current existing 3D city models are not able to represent the change information, because they are rec...
YOU DESCRIBE IT,I WILL NAME IT:AN APPROACH TO ALLEVIATE THE EFFECT OF USERS’SEMANTICS IN ASSIGNING TAGS TO FEATURES IN VGI
Uncertainty VGI Users’ Semantics Tagging Features OpenStreetMap Perception
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2015/9/21
As an important factor of VGI quality, this paper focuses on uncertainty arisen in assigning tags to features by VGI users. The VGI portals ask their users to assign (or tag) one or more data types to...
Automatic extraction of building features from terrestrial laserscanning
3D modeling terrestrial laser scanning segmentation feature recognition
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2015/8/25
Realistic 3D city models are required for many purposes such as urban planning and safety analysis. The traditional modeling methods are mainly based on manual or semi-automatic reconstruction from cl...
LANDSLIDE FEATURES INTERPRETED BY NEURAL NETWORK METHOD USING A HIGH-RESOLUTION SATELLITE IMAGE AND DIGITAL TOPOGRAPHIC DATA
Landslides Earthquakes Hazards Quickbird LIDAR Neural
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2015/7/29
Landslides are natural phenomena for the dynamic balance of earth surface. Due to the frequent occurrences of Typhoons and
earthquake activities in Taiwan, mass movements are common threatens to our...
Extract relevant features from DEM for groundwater potential mapping
DEM Groundwater potential Multi-criteria evaluation (MCE) Area under curve (AUC) GIS
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2015/7/27
Multi-criteria evaluation (MCE) method has been applied much in groundwater potential mapping researches. But when to data scarce areas, it will encounter lots of problems due to limited data. Digital...
Global Indexing of 3d Vector Geographic Features
Spatial Information Sciences Global Multiresolution
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2015/7/7
Geographic data management is essential for development of geo-related applications and systems. Fast access to a subset of data
related to an area of interest with a sufficient precision is a common...
Object - Relational Features for Modeling and Analysis of Spatio - Temporal Data
GIS Analysis
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2015/7/6
Object - Relational Features for Modeling and Analysis of Spatio - Temporal Data.
ROBUST AND FULLY AUTOMATED IMAGE REGISTRATION USING INVARIANT FEATURES
Photogrammetry, Architecture, Geometry
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2015/6/1
Zwickels are sections defined by two intersecting line segments, dividing the neighborhood
around the intersection point into two sectors. The information inside the smaller sector is used to c...
ACTIVE CONTOUR MODEL TO DETECT LINEAR FEATURES IN SATELLITE IMAGES
Remote Sensing Extraction, Detection
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2015/6/1
We present preliminary results of a wavelet based active contour model for detecting linear features in satellite images The method
combines multi-scale decomposition and edge detection in a fast-co...