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《Science of Surveying and Mapping》 2019-01
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Application of earth partition gird theory in image processing

ZHOU Xiaoming;TANG Dejin;HAO Linzhe;SONG Yuchen;Institute of Remote Sensing Information;National Geomatics Center of China;  
Aiming at the problem of data processing technology organization regional remote sensing images and the application of data organization method using GeoSOT subdivision grid system theory,establish the image based spatial data logic dividing and encoding,and proposed based on grid template image on-demand fast mosaic technology,relying on the space division of space grid with high precision the relationship,directly from the remote sensing image extraction required for subdivision surfaces in geometric puzzles,to achieve a rapid data remote sensing image regions and splicing,improve the efficiency of data browsing and other applications.in data sharing,considering the application of heterogeneous network environment,real-time data sharing requirements,design the function of transmission strategy under the condition of limited bandwidth,based on spatial mesh natural"multi-scale and facet"characteristic,transmission strategy of flexible design,in limited bandwidth network conditions,to patch as a unit fast,transmit the information users concerned about regional distribution,improve the efficiency of data transmission and user experience.
【CateGory Index】: P237
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