An improved distributed storage model of remote sensing images based on the HDFS and pyramid structure
An improved distributed storage model of remote sensing images based on the HDFS and pyramid structure
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基于HDFS和金字塔结构的改进遥感影像分布式存储模型
DOI:
10.1504/ijcat.2019.098037
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发表时间:
2019-03
影响因子:
1.1
通讯作者:
Nihong Wang
中科院分区:
文献类型:
--
作者:
Linhui Li;Weipeng Jing;Nihong Wang
With the rapidly growing amount of remote sensing data, data management needs to adopt a new architecture. Some improvements have been made in some areas. For example, the Hadoop distributed file system (HDFS) can be utilised for large files. However, small files will be produced when storing remote sensing images in the pyramid-based structure. In this paper, we propose a method based on the Hadoop system with MapFile. The method is an improved storage model for efficient storage and allows for access of the small files on the HDFS. The proposed method combines small files into the MapFile serialised container, and it reduces the number of small files. The metadata sensor information is stored in the index to improve the search speed. Results demonstrate the efficiency of remote sensing image processing using the pyramid model and the reduced execution time compared with the HDFS, HDWebGIS and Hadoop archives.
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DOI:
10.1109/csss.2012.556
发表时间:
2012-08
期刊:
2012 International Conference on Computer Science and Service System
影响因子:
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