QUADTREES

作品数：3被引量：14H指数：2
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相关领域：自动化与计算机技术更多>>
相关作者：蒋华更多>>
相关机构：桂林电子科技大学更多>>
相关期刊：《Science China(Information Sciences)》《Geo-Spatial Information Science》《Science China(Technological Sciences)》更多>>
相关基金：国家重点基础研究发展计划国家自然科学基金更多>>
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Efficient dark channel based image dehazing using quadtrees被引量：5
《Science China(Information Sciences)》2013年第9期227-235,共9页DING Meng TONG RuoFeng 
supported by National Basic Research Project of China (Grant No. 2011CB302203);Science and Technology Bureau of Zhejiang Province, China (Grant No. 2010C13023)
Using dark channel prior—a kind of statistics of the haze-free outdoor images—to remove haze from a single image input is simple and effective. However, due to the use of soft matting algorithm, the method suffers f...
关键词：image dehazing QUADTREE soft matting 
An Efficient Representation of Quadtrees and Bintrees for Multiresolution Terrain Models
《Geo-Spatial Information Science》2011年第3期198-206,共9页Yusnier Valle José Ortiz 
Supported by the GeneSIG Project, University of Informatics Sciences (UCI), Havana, Cuba
A space-filling curve in 2,3,or higher dimensions can be thought as a path of a continuously moving point.As its main goal is to preserve spatial proximity,this type of curves has been widely used in the design and im...
关键词：bintrees QUADTREES space-filling curves spatial data structures digital terrain models 
L curve for spherical triangle region quadtrees被引量：9
《Science China(Technological Sciences)》2004年第3期265-280,共16页YUAN Wen1,CHENG Chengqi1,MA Ainai1 & GUAN Xiaojing2 1.Institute of Remote Sensing and Geography Information System,Peking University,Beijing 100871,China 2.Centre of State Information,Beijing 100045,China 
The sequence of facets and nodes has a direct influence on the efficiency of access to spherical triangle region quadtree. Based on the labeling schema by Lee, spatial curves both for facets and nodes are proposed and...
关键词：global grid  spherical TRIANGLE REGION quadtree  SQT  QTM  space-filling curve. 
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