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Research on China Western Spatial Data Quality Control and Evaluation Technique System
Spatial Data Quality Control Digital Linear Graphic Cloud Model Western Area
2015/12/18
The national western spatial data quality check method based on entity and evaluation method based on the cloud theory and rough set have been put forward according to the National Western Surveying a...
Across-Track Imaging Accuracy Analysis and Research of High Resolution Satellite Imagery in Metropolitan Area
Accuracy Improvement Ground Control Points Rational Function Model
2015/12/18
High Resolution Satellite Imagery (HRSI) is now being used more and more in city development. The geometric correction of HRSI is the basis of all the image process work for other application such as ...
The Research of the 3s Technology Application in the Large Scale Land Utilization Map Updating
3S Large Scale Land Use Map Updating Layers Compound Alias Polygons IRS
2015/12/16
The paper gives the following results of our study in the filed of the 3S technology application in the large scale land utilization map updating. ①The compound technology of graphics and images bases...
Spatial Data Infrastructure for Soil-Vegetation-Atmosphere Modelling: Set-Up of a Spatial Database for a Research Project (SFB/TR32)
Spatial Data Infrastructure Data Management Computer Vision Interoperability
2015/12/11
Data storage and data exchange is a key issue of interdisciplinary research projects which focus on environmental field studies and regional modelling. The overall success of such projects depends on ...
Research on the Autocorrelation Detection in Digital Watermarking Techniques
Digital Watermarking Autocorrelation Detection Multiple Watermarking Robustness
2015/12/11
Based on the self-characteristic of digital watermarking techniques and the multi-statistic theory, this paper makes a research on the watermark autocorrelation detection. First, the setting of detect...
Analysis on Geographical Changes and Research on Spatio-temporal Patterns
Spatio-temporal Change Analysis Spatio-temporal Change Pattern Change Detection
2015/12/3
As efforts grow to develop spatio-temporal database systems and temporal geographic information systems that are capable of conveying how geographic phenomena change, it is urgent to analyze the impet...
Research on bathymetry estimation by Worldview-2 based with the semi-analytical model
Bathymetry Estimation Semi-analytical Model
2015/5/7
South Sea Islands of China are far away from the mainland, the reefs takes more than 95% of south sea, and most reefs scatter over interested dispute sensitive area. Thus, the methods of obtaining t...