Mr. Jiaying Chen Profile

Jiaying Chen

at Wuhan Univ

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Proceedings Article | 16 October 2009 Paper

Remote satellite sensor modeling design and implementation based on the sensor modeling language

Jiaying Chen, Nengcheng Chen, Wei Wang, ChuLi Hu, Zhong Zheng

Proceedings Volume 7492, 74922V (2009) https://doi.org/10.1117/12.838184

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Various sensors play a very important role in our everyday life. Sensor model language is a vital part of the OGC for the description of the common sensor. SensorML not only describe properties of the sensor itself, but also the process about the sensor. Based on the SensorML which is coding with XML schema, we need an efficient way for modeling a sensor or a system. In this paper, firstly, the SensorML model is introduced, in which the SensorML schema is analyzed, and a common procedure for sensor modeling is defined. Secondly, the establishment of a common sensor model platform comes true using the dynamic generation, reflex, XML DOM in the .NET Framework 3.5. At last, the BJ-1 satellite was used as an example for the SensorML modeling. For the non-physical process chain, the red band and near infrared band of the BJ-1 satellite were as inputs for the NDVI calculation. After all, we validate the BJ-1 satellite SensorML instance.

Proceedings Article | 29 December 2008 Paper

Global polar geospatial registry centre system and its realization

Jie He, Wei Wang, Nengcheng Chen, Zeqiang Chen, Jiaying Chen

Proceedings Volume 7285, 72852F (2008) https://doi.org/10.1117/12.815700

KEYWORDS: Web services, Databases, Human-machine interfaces, Data modeling, Data centers, Taxonomy, Data processing, Information fusion, Standards development, Data integration

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Antarctica plays a key role in many scientific questions, of which those related to global climate change are probably the most prominent examples. There are many researches on Antarctic are carried out at present, and some special institutes sponsored by public and private communities are responsible for antarctica data management and maintenance. Antarctic Spatial Data Infrastructure (AntSDI) [1]sponsored by SCAR's Standing Committee on Antarctic Geographic Information (SC-AGI) is the one responsible for Antarctica spatial data maintenance and sharing by means of OGC standard and specification. Antarctica Spatial Data Infrastructure (AntSDI) has already collected huge volumes of geospatial data and offer an opening geospatial information service. In order to management and use Geospatial data efficiently, and enable most of the users can access to Geospatical data and service at will, we firstly must registry data and service into one or more registry center, then we should construct a building system which can supply users a uniform interface to access data and service in registry center and user also can add their own data and service to system and become part of system's capability. in this paper we present GeoAnt, a prototype interoperable AntSDI building system. GeoAnt is a three-tier standard-based open geospatial web service system which fully automates data discovery, access, and integration steps of the geospatial information discovery process under the interoperable service framework. The paper discusses the system architecture, the individual components of the system and the use of the system in the international project- Grove Mountains GIService Portal (GMGP).

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