搜索结果: 1-7 共查到“地图制图技术 Update”相关记录7条 . 查询时间(0.125 秒)
Concepts of an Object-Based Change Detection Process Chain for GIS Update
Change Detection Indicators GIS Updating Satellite Mapping
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2015/12/16
Today, with the situation of rapidly emerging high resolution earth observation data by optical and microwave sensors there is a growing need for efficient methods to derive, maintain and revise land ...
Automatic Object Extraction for Change Detection and GIS Update
Object Extraction Image Understanding Evaluation Disaster Management
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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...
The Integrated Workflow and Software System for GIS Database Update Based on Geospatial Imageries
GIS Database Update Geospatial Images Integration Multi-Source Information Conformity
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2015/12/11
Although the image-based update strategy is becoming one of the most desirable choices in keeping the up-to-date state of GIS database, now in China, the traditionally adopted workflow and arts for up...
Road Extraction for the Update of Road Database in Suburban Areas
Image understanding Road extraction Computer Vision Feature extraction Updating
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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...
Methods and Implementation of the Geospatial Databases Integration and Update towards E-government
Geospatial Data Integration Data Update E-Government
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2015/8/17
All the implementations of the geo-spatial information systems depend on the multi-levels, synthetic and integrated databases of
spatial and attribute information. These databases have many unique ch...
TOWARDS THE AUTOMATIC INTERPRETATION OF IMAGES FOR GIS UPDATE
GIS Image Understanding Integration Model-based Processing Semantics
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2014/12/30
The automatic interpretation of aerial and satellite imagery is one of the main research tasks in photogrammetry and related disciplines. The primary goal is the automatic extraction of visible, spati...
Research and Application of GIS Data Update Technology
GIS Data Data Update Raster Vector
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2014/7/23
This paper summed up 3 kinds of GIS data update ways started from the actual production, as these data are raster to raster data, raster to vector data and vector to vector data. We described the most...