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| 1 | 海洋地理信息系统研究进展显示文摘海洋地理信息系统能够对海洋数据和信息进行高效地存储、管理、分析、显示和共享,可以大大提高海洋数据的使用率和工作效率,其研究和应用日渐受到人们的重视。在此背景下,重点从海洋地理信息系统理论构成体系,即从时空数据模型、时空场特征分析、信息可视化及信息服务4个方面回顾了近年来海洋地理信息系统研究工作,探讨了当前研究的不足和发展前景。时空数据模型研究未来将更多地强调时间维拓展和尺度变化的适应性方面;时空场特征分析会将海洋过程纳入其重点考虑范畴;海洋信息可视化将更加面向体验和跨尺度,并更多地将虚拟技术与真实现实结合起来;信息服务方面则会强调服务的智能化,注重海洋信息本体或知识表达问题,追求主动数据生成和提供。 | 苏奋振 吴文周 平博 易嘉伟 张宇 | 2014 | 海洋通报2014，33，4： | 20 |
| 2 | Spatial information recognizing of ocean eddies based on virtual force field and its application显示文摘A new approach to detecting ocean eddies automatically from remote sensing imageries based on the ocean eddy's eigen-pattern in remote sensing imagery and 'force field-based shape extracting method' is proposed. First, the analysis on extracting eddies' edges from remote sensing imagery using conventional edge detection arithmetic operators is performed and returns digitized vector edge data as a result. Second, attraction forces and fusion forces between edge curves were analyzed and calculated based on the vector eddy edges. Thirdly, the virtual significant spatial patterns of eddy were detected automatically using iterative repetition followed by optimized rule. Finally, the spatial form auto-detection of different types of ocean eddies was done using satellite images. The study verified that this is an effective way to identify and detect the ocean eddy with a complex form. | LI Ce DU Yunyan SU Fenzhen YANG Xiaomei XU Jun | 2007 | Acta Oceanologica Sinica2007，26，4： | 0 |
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