Dr. Yingbiao Chen Profile

Dr. Yingbiao Chen

at Guangzhou Univ

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Proceedings Article | 11 November 2008 Paper

Study on parallel and distributed management of RS data based on spatial database

Yingbiao Chen, Qinglan Qian, Hongqiao Wu, Shijin Liu

Proceedings Volume 7146, 714628 (2008) https://doi.org/10.1117/12.813173

KEYWORDS: Remote sensing, Data storage, Databases, Computing systems, Image compression, Data modeling, Data processing, Image processing, Image storage, Binary data

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With the rapid development of current earth-observing technology, RS image data storage, management and information publication become a bottle-neck for its appliance and popularization. There are two prominent problems in RS image data storage and management system. First, background server hardly handle the heavy process of great capacity of RS data which stored at different nodes in a distributing environment. A tough burden has put on the background server. Second, there is no unique, standard and rational organization of Multi-sensor RS data for its storage and management. And lots of information is lost or not included at storage. Faced at the above two problems, the paper has put forward a framework for RS image data parallel and distributed management and storage system. This system aims at RS data information system based on parallel background server and a distributed data management system. Aiming at the above two goals, this paper has studied the following key techniques and elicited some revelatory conclusions. The paper has put forward a solid index of "Pyramid, Block, Layer, Epoch" according to the properties of RS image data. With the solid index mechanism, a rational organization for different resolution, different area, different band and different period of Multi-sensor RS image data is completed. In data storage, RS data is not divided into binary large objects to be stored at current relational database system, while it is reconstructed through the above solid index mechanism. A logical image database for the RS image data file is constructed. In system architecture, this paper has set up a framework based on a parallel server of several common computers. Under the framework, the background process is divided into two parts, the common WEB process and parallel process.

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