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A Modular Remote Sensing Big Data Framework
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AI
DOI：10.1109/TGRS.2021.3100601.png)
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En 中文
Today, remote sensing (RS) data are already regarded as ``big data.'' Developments in computer science have made it possible to explore the potential treasure within remote sensing big data, but only limited remote sensing research has made use of big data technology due to gaps in techniques between big data and remote sensing. In this research, we analyzed the full processing flow of remote sensing big data from the perspective of both computer science and remote sensing science and proposed a modular framework. Computation ready data (CRD), a dynamic data type for computation based on analysis ready data (ARD), is proposed to connect the two main modules of the framework, the data module and computation module. Compared with existing research, the proposed framework classifies and abstracts the key technical and research points of the processing of remote sensing big data as replaceable modules and bridges them through an open organization. Subsequently, we built a prototype platform with open-source technologies and carried out three experiments to validate the feasibility and advantages of the framework, namely normalized difference vegetation index (NDVI) production, water body change detection, and land use classification. Results indicate that this framework can greatly reduce experimental costs for remote sensing researchers. While the proposed framework has proven flexible and practical, further research is needed for the technical implementation of certain modules to achieve the original intention of the framework.
Keyword:
Remote sensing
Big Data
Sensors
Spatiotemporal phenomena
Arrays
Earth
Satellites
Cloud computing
distributed system
open-source
remote sensing (RS) big data
期刊
IF:
8.6
论文数:
2.1W
被引数:
10.7W
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