搜索结果: 1-10 共查到“测绘科学技术 polygon”相关记录10条 . 查询时间(0.062 秒)
Generation for 3D view map using polygon shift method
Polygon Shift Method bird’s eye view shadow depth distance
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2016/5/20
The authors have developed a new method called "Polygon Shift Method" (named by the first author) that enables to generate bird's eye view of topographic landscape with shade and shadow. The Polygon S...
EXTRACTION OF OPTIMAL SKELETON OF POLYGON BASED ON HIERARCHICAL ANALYSIS
Optimal Skeleton Algorithm Hierarchical Structure
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2016/3/17
Skeleton is an important 1-D descriptor of polygon and a useful tool for advanced geometric algorithms. However the skeleton that most existing algorithms investigated is the longest one, which is not...
A CHANGE DETECTION METHOD WITH HIGH RESOLUTION IMAGES BASED ON POLYGON AUTOMATIC VALIDATING
High Resolution Image Image Understanding Change Detection Feature Extraction Texture Analysis Urban Planning Validation Object-oriented Data Model
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2015/12/31
In Beijing, the earth surface changes has reached 5 % each year, and artificial detection with high resolution images has been applied to peccancy building monitoring and road change detection. The ma...
Polygon Feature Extraction from Satellite Imagery Based on Colour Image Segmentation and Medial Axis
Feature Extraction Imagery Segmentation Semi-automation
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2015/12/4
Areal features are of great importance in applications like shore line mapping, boundary delineation and change detection. This research work is an attempt to automate the process of extracting featur...
QUALITY ASSESSMENT FOR POLYGON GENERALIZATION
generalization polygon data quality assessment
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2015/9/28
Different methods for map generalization have been developed. However, there are only a few publications that discuss the automatic quality assessment of generalized maps. This problem becomes crucial...
A QUALITY ASSESSMENT METHOD FOR 3D ROAD POLYGON OBJECTS
Quality Assessment Quality Element 3D Road Polygon LiDAR
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2015/9/21
With the development of the economy, the fast and accurate extraction of the city road is significant for GIS data collection and update, remote sensing images interpretation, mapping and spatial data...
Comparison of multi-scale images of an agricultural land using polygon-based classification techniques
Polygon-Based Image Classification High Resolution Agricultural
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2015/8/20
Polygon-based classification was performed on multi-scale images of SPOT4 XS, SPOT5 XS, IKONOS XS, QuickBird XS and
QuickBird Pansharpaned (PS) covering an agricultural area located in Karacabey, Tur...
Polygon-based True Orthophoto Generation
Aerial images Orthophoto images elevation models,
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2015/7/7
Obscured areas are serious defects in large-scale and urban orthophotos. In recent years several rectification schemes minimizing
these defects were proposed. These methods use raster-based algorithm...
AN AGENT-BASED FRAMEWORK FOR POLYGON GENERALIZATION
AGENT-BASED FRAMEWORK POLYGON GENERALIZATION
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2015/3/16
AN AGENT-BASED FRAMEWORK FOR POLYGON GENERALIZATION.
CHANGE DETECTION USING THE INTEGRATION OF REMOTE SENSING AND GIS: A POLYGON BASED APPROACH
Change Detection RS/GIS Integration Image Analysis Database Updating
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2014/12/30
A per polygon image analysis scheme for detecting the changes in land cover conditions within existing land use boundaries stored as vector polygons in a Geographic Information System (GIS) is describ...