基于提升方法构造的整数小波变换，采用行索引稀疏存储方案，可以对海量影像数据进行高保真的压缩。
The method of sparsely row-indexed storage has been used to compress large volumes of image data, on the base of integer wavelet transform constructed by lift scheme.
遥感影像信息融合是有效利用遥感海量数据的关键技术。
For the full exploitation of increasingly sophisticated multisource data, a lot of image fusion algorithms have been developed.
而海量数据、复杂细节和尺度依赖的特点决定了高分辨率遥感影像处理的技术难点。
Huge amounts of data, the complexity of details and scale-dependent characteristics decide the technical problems of high resolution remote sensing images processing.
海量地形影像数据的快速浏览是GIS、虚拟现实、数字地球等领域应用的关键技术与难点之一。
Walkthrough in massive terrain and image data is a key technology and a difficult problem of GIS, VR and Digital Earth, etc.
高分辨率遥感影像往往成本高昂，同时它所包含的海量数据需要耗费大量的时间和人力才能完成信息的提取。
High resolution remote sensing images are often costly, and the huge amounts of data of it need to spend a lot of time and manpower to complete the extraction of information.
但是，海量遥感影像数据和网络有限带宽这对矛盾严重地影响着遥感影像的充分应用。
But now there is a big gap between the bandwidth and the size of image, which has affected the application of RS image greatly.
如何从海量的影像数据中快速、准确地发现、访问、获取和使用所需要的数据就显得特别重要。
It is important to find, query, retrieval and access the data you want quickly and correctly.
建立功能强大的影像数据库是海量遥感影像数据组织与管理的必然趋势。
It is an inevitable trend to organize and manage enormous remote sensing image datum with a powerful Database management system.
研究目的：对海量影像和矢量数据的存储组织进行研究、设计开发和试验，解决第二次全国土地调查国家级数据库管理系统建设项目的技术瓶颈。
The purpose of the study is to address technical bottlenecks of the second national land survey state-level database management system by researching mass images and vector data storage technologies.
研究目的：对海量影像和矢量数据的存储组织进行研究、设计开发和试验，解决第二次全国土地调查国家级数据库管理系统建设项目的技术瓶颈。
The purpose of the study is to address technical bottlenecks of the second national land survey state-level database management system by researching mass images and vector data storage technologies.
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