| 遥感影像图在PDA上的快速显示技术及其应用 |
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| 引用本文： | 陈金海,柯冉绚,彭国均. 遥感影像图在PDA上的快速显示技术及其应用[J]. 厦门水产学院学报, 2009, 0(4): 379-383 |
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| 作者姓名： | 陈金海 柯冉绚 彭国均 |
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| 作者单位： | 集美大学船舶助抗技术研究所,福建厦门361021 |
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| 基金项目： | 厦门市科技计划项目（3502Z20081072） |
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| 摘 要： | 由于PDA（Personal Digital Assistant）的硬件资源有限,往往存在CPU主频低、内存小的缺点,海量遥感影像图的绘制成为在PDA上运行＂空间信息移动服务系统＂的一个技术瓶颈.为了克服这些限制,提出一种基于金字塔影像模型的分层组织和分块管理方法,应用多分辨率无缝影像数据库技术,将海量影像数据有序地组织起来,提高海量遥感影像的绘制速度.该技术已被成功地应用到＂郑和一号船舶引航系统＂,效果良好.
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| 关 键 词： | 海量遥感影像绘制 影像金字塔 数据分块 |
Technology of Rapid Rendering of Massive Remote Sensing Image in PDA |
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| CHEN Jin-hai,KE Ran-xuan,PENG Guo-jun. Technology of Rapid Rendering of Massive Remote Sensing Image in PDA[J]. , 2009, 0(4): 379-383 |
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| Authors: | CHEN Jin-hai KE Ran-xuan PENG Guo-jun |
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| Affiliation: | (Navigation Institute, Navigation-aids Technology Research Centre, Jimei University, Xiamen 361021, China) |
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| Abstract: | Due to the limited hardware resources and the speed of display of PDA, rendering massive remote sensing image is a problem in PDA appliances, such as Spatial Information Mobile Serveice System. This paper presents a method based on image pyramid with multi-levels and multi-blocks structure to organize the massive remote sensing image and implement its rapid rendering. The methods has been successfully applied in a PDA to No. 1 Zhenghe Pilotage System at Xiamen Port. |
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| Keywords: | massive remote sensing image drawing image Render image pyramid datablock |
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