搜索结果: 1-15 共查到“地图制图技术 extraction”相关记录66条 . 查询时间(0.078 秒)
AUTOMATIC RIVER NETWORK EXTRACTION FROM LIDAR DATA
Lidar DTM water resources fundamental datasets IGN-ES INSPIRE
2016/11/30
National Geographic Institute of Spain (IGN-ES) has launched a new production system for automatic river network extraction for the Geospatial Reference Information (GRI) within hydrography theme. The...
IMPROVEMENT EVALUATION ON CERAMIC ROOF EXTRACTION USING WORLDVIEW-2 IMAGERY AND GEOGRAPHIC DATA MINING APPROACH
Geographical Data Mining GEOBIA WorldView-2 Ceramic roof C4.5 Decision Tree Classification accuracy
2016/11/24
Advances in geotechnologies and in remote sensing have improved analysis of urban environments. The new sensors are increasingly suited to urban studies, due to the enhancement in spatial, spectral an...
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
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...
Object-oriented modelling for the extraction of geometry, texture and reflectance from digital images
Semi-Automatic Extraction System CORBA JavaBeans GIS CSG
2016/5/20
A semi-automatic system for extracting topographic features is being migrated to an object-oriented design for better maintainability. For that purpose an object-oriented model of the extracted object...
LOW-LEVEL TIE FEATURE EXTRACTION OF MOBILE MAPPING DATA (MLS/IMAGES) AND AERIAL IMAGERY
Mobile Mapping Feature Extraction Feature Matching Image Orientation
2016/3/25
Mobile Mapping (MM) is a technique to obtain geo-information using sensors mounted on a mobile platform or vehicle. The mobile platform’s position is provided by the integration of Global Navigation S...
ROADS EXTRACTION AND THEIR CHANGES DETECTION IN AIRBORNE IMAGES WITH THE HELP OF GIS DATA
Linear features GIS error correction gradient edge tracking
2016/1/3
This paper presents a novel routine to detect the changes of main roads with airborne images of medium-scale of 1:10,000. It mainly focuses on the changes detection of primary streets not the extracti...
BUILDING EXTRACTION FROM ALS DATA BASED ON REGULAR AND IRREGULAR TESSELLATIONS
LIDAR Extraction Detection Building TIN GRID
2015/12/23
For the past dozen years, data which enable the use of Digital Terrain Model as well as Digital Surface Model have been widely used. One of the modern techniques of gaining information about terrain i...
Semi-Automatic Extraction of Features from Digital Imagery
Image Segmentation Semi-Automatic Feature Extraction Fast-Marching Level-Set
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...
Automatic Object Extraction for Change Detection and GIS Update
Object Extraction Image Understanding Evaluation Disaster Management
2015/12/16
In this paper we will revise the recent developments in the field of automatic object extraction for change detection and GIS update under different aspects: (1) level of automation; (2) available sen...
Semi-Automatic Extraction of Different-Shaped Road Centerlines from Ms and Pan-Sharped IKONOS Images
Image processing Road extraction Space photogrammetry Clustering Updating
2015/12/9
In this work we develop semi-automatic road extraction system for updating and storage road network data bases. Combination of some of the existing road extraction techniques such as spectral and spat...
Road Extraction from SAR Image Using an Improved Statistical Algorithm
Road extraction Feature extraction SAR image Speckle statistics Phase grouping
2015/12/9
An efficient statistical algorithm of automatic extracting road from SAR images is devised in this paper. First, an feature detecting operator is used to find the road candidate. Then another smaller ...
Application of Neural Networks, Image Processing and Cad-Based Environments Facilities in Automatic Road Extraction and Vectorization from High Resolution Satellite Images
Automatic CAD Image processing High resolution images Neural networks Road extraction Vectorization
2015/12/9
In this article a new procedure that was designed to extract road centerline from high resolution satellite images, is presented. The results (road Networks) are fully structured in vector formed in C...
Research on the Building Shadow Extraction and Elimination Method
Building Shadow Extraction Shadow Removal Multiple Constraints Edge Detection
2015/12/9
This paper first generalizes the significance and present research situation of the building shadow extraction and elimination method. Then, an approach of automatic extracting shadows of building fro...
Road Extraction for the Update of Road Database in Suburban Areas
Image understanding Road extraction Computer Vision Feature extraction Updating
2015/12/9
This paper deals with road extraction in suburban areas from high resolution aerial images. The extraction results are intended to be used for updating a road database. The road extraction algorithm f...
Semi-Automatic Extraction of Ribbon Road from High Resolution Remotely Sensed Imagery by Cooperation of Angular Texture Signature and Template Matching
Road extraction Semi-automatic Angular texture signature Template matching
2015/12/9
Road tracking is a promising technique to increase the efficiency of road mapping. In this paper an improved road tracker, based on cooperation between angular texture signature and template matching,...