| A solution for digital image management in spatial databases |
| |
| 作者单位： | 1.Center for Information Science，Peking University，Beijing 100871，P.R.China; 2. Institute of Remote Sensing and Geographical Information System，Peking University，Beijing 100871，P.R.China; 3. Beijing Institute of Surveying and Mapping，Beijing 100038，P.R.China |
| |
| 摘 要： |
|
| 关 键 词： | 数字图象管理 空间数据库 DOM 空间元数据 图象数据库 |
A solution for digital image management in spatial databases |
| |
| LIUChen MAXiu-jun XIEKun-qing LIUYu FENGXue-bing. A solution for digital image management in spatial databases[J]. Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition), 2004, 16(5): 161-164 |
| |
| Authors: | LIUChen MAXiu-jun XIEKun-qing LIUYu FENGXue-bing |
| |
| Affiliation: | [1]CenterforInformationScience,PekingUniversity,Beijing100871,P.R.China [2]InstituteofRemoteSensingandGeographicalinformationSystem,PekingUniversity,Beijing100871,P.R.China [3]BeijingInstituteofSurveyingandMapping,Beijing100038,P.R.China |
| |
| Abstract: | Digital Orthographic Map (DOM) can be used in various applications because it contains both image features and terrain information. Spatial database management systems aim at the effective and efficient management of data related to a space, engineering design and so on. Thereby spatial database provides an efficient solution for managing DOM. According to large amounts of the DOM data in storage, a data compression based on wavelet is introduced into the storage. Another stratcgy to solve this problem is to decompose the raw image into tiles and store the tiles individually as separate tuples. The metadata of DOM can be used to organize and manage spatial information, especially for spatial data sharing and fast locating. A tool for browsing, zooming and querying the DOM data is also designed. We implemented these ideas in SISP (Spatial Information Sharing System) and applied the subsystem into the DOM management of Beiiing City, which is an component of the Beijing Spatial Information Infrastructure. |
| |
| Keywords: | DOM image databases spatial metadata spatial database |
| 本文献已被 CNKI 维普 等数据库收录！ |
