基于关系数据库技术的遥感影像数据建库研究

基金项目: 国家863计划资助项目(2002AA134070)

详细信息

Remote Sensing Image Database Based on RDBMS

¹School of Remote Sensing and Information Engineering, Wuhan University, 129 Luoyu Road, Wuhan 430079, China² Wuhan Urban Planning and Land Administration Information Center,13 Sanyang Road, Wuhan 430014, China

Funds: 国家863计划资助项目(2002AA134070)

摘要: 以OracleGeoRaster和ArcSDE为例,论述了基于扩展的面向对象关系数据库进行遥感影像建库和基于中间件技术进行遥感影像建库的数据模型、数据存储方式、空间索引、数据管理与维护等问题。对遥感影像建库实施的数据分块、影像金字塔的构建、数据压缩处理等具体问题进行了实验研究。
- 关系数据库 /
- 遥感影像建库 /
- 面向对象 /
- 中间件
Abstract: This paper discusses the data models, data storage, spatial index, data manipulation of remote sensing data management based on object oriented RDBMS and RDBMS middleware by taking Oracle Georasrer and ArcSDE as examples, and analyzes the relationship between image block size and RDBMS data block size, pyramid level, image compression ratio by taking the performance into consideration.
- RDBMS /
- remote sensing image database /
- object oriented /
- middleware