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遥感技术与应用  2002, Vol. 17 Issue (5): 255-258    DOI: 10.11873/j.issn.1004-0323.2002.5.255
技术方法     
基于元数据和快视图的遥感图像库管理与发布
邓小炼,苏理宏,王锦地,李小文,赵红蕊
(北京师范大学遥感与GIS研究中心,北京  100875)
Managing and Distributing Remote Sensing Images
Based on Metadata and Microimage
DENG Xiao-lian, SU Li-hong, WANG Jin-di, LI Xiao-wen, ZHAO Hong-rui
(Institute of Resources Sciences,Beijing Normal University,Beijing100875,China)
 全文: PDF 
摘要:

从遥感多光谱图像数据库的应用角度,讨论了如何构建一个基于元数据和快视图的,能够精确定位和查看光谱的遥感图像数据库管理系统,并详细说明了其设计开发的方法和步骤。

关键词: 遥感图像库可视化元数据快视图    
Abstract:

Remote sensing images acquired by the sensors at platforms near land surface, airplane and satellite,
usually have large volume and miscellaneous data formats. So it is not feasible to browse remote sensing images
on Internet so that the users can evaluate the quality of images and select the suitable images. Moreover, it is
inefficient to read and transfer remote sensing images in a standard image viewer real-timely due to their
miscellaneous data formats. In order to clear up the problems, the metadata and microimage are extracted from
various remote sensing images, managed by Microsoft SQL server, and browsed and evaluated on Internet to
decide which images are the real wanted. The process of working includes the 4 steps. 1) Create metadata for
the remote sensing images. The metadata consist of image data format, longitude and latitude of image range,
date and time, spatial resolution, sensor attributes (field of view, bands, performance and precision etc),
platform attributes (stand near land surface, airplane or satellite), flight path or orbit attributes of aerial and
space observation etc. 2) Create microimage for remote sensing image. Firstly, the remote sensing images are
projected to the same coordinate system by the geometric correction, so all images can be matched correctly.
Then the microimages are built through 1∶10 or 1∶5 cubic convolution sampling the corrected images.3).
Build a database to store and manage the metadata and microimages, and create pointers to hyperlink the
remote sensing images self.4) Develop the browse interface, publish the remote sensing image base on Internet,
and receive the users' order forms. The wanted images will be sent on CDROM if the orders are accepted. The
interface is visualized. Here, a color spectrum is used to express the bands. A clock is for time and landscape is
for days in one year. And place is located by moving your mouse on the map. The pixel sizes are shown through
levels on a pyramid. By this metadata and microimage approach, the remote sensing images can be browsed,
evaluated and ordered on Internet conveniently. It is feasible way to manage the remote sensing images.

Key words: Image base    Visualization    Metadata    Microimage    Remote sensing
收稿日期: 2002-07-08 出版日期: 2011-11-21
:  TP 751  
基金资助:

国家重点基础研究发展规划项目(G2000 077900);我国典型地物标准波谱数据库(2002AA130010)。

作者简介: 邓小炼(1970-),男,硕士生,主要从事遥感图像处理、遥感图像信息系统集成的研究。
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引用本文:

邓小炼,苏理宏,王锦地,李小文,赵红蕊. 基于元数据和快视图的遥感图像库管理与发布[J]. 遥感技术与应用, 2002, 17(5): 255-258.

DENG Xiao-lian, SU Li-hong, WANG Jin-di, LI Xiao-wen, ZHAO Hong-rui. Managing and Distributing Remote Sensing Images
Based on Metadata and Microimage. Remote Sensing Technology and Application, 2002, 17(5): 255-258.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2002.5.255        http://www.rsta.ac.cn/CN/Y2002/V17/I5/255

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