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ISPRS Int. J. Geo-Inf. 2014, 3(3), 1003-1022; doi:10.3390/ijgi3031003

Field Spectroscopy Metadata System Based on ISO and OGC Standards

1
Remote Sensing Area, National Institute of Aerospace Technology (INTA), Ctra. Ajalvir s/n, Torrejón de Ardoz, 28850 Madrid, Spain
2
Technical Cabinet, Spanish Agency for International Development Cooperation (AECID), Avda. Reyes Católicos, 4, 28040 Madrid, Spain
*
Author to whom correspondence should be addressed.
Received: 28 April 2014 / Revised: 2 July 2014 / Accepted: 8 July 2014 / Published: 21 July 2014
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Abstract

Field spectroscopy has undergone a remarkable growth over the past two decades in terms of use and application to different scientific disciplines. This work presents an important step forward to improve the interoperability for the spectral library interchange in the field spectroscopy scientific community, by establishing an XML-based metadata system using published International Organization for Standardization (ISO) standards and Open Geospatial Consortium (OGC) specifications. The proposed methodology is structured using three different XML files: each spectral library file acquired during a field campaign is accompanied by an XML file encoded according to the ISO 19156 standard, which carries the information related to the material or surface measured and the sampling procedure applied; the spectral libraries acquired on the same date share an XML file encoded according to the ISO 19115 standard, to represent dataset-level metadata; finally, all of the spectral libraries for the entire field campaign are referenced to an XML file encoded according to the Sensor Model Language (SensorML) specification, for information related to the field spectrometer characteristics and status. This structure ensures that the ISO 19156 files are not very large and avoids the repetition of many common metadata elements required to describe the dataset and sensor description. View Full-Text
Keywords: field spectroscopy; metadata; reflectance spectral libraries; ISO 19115; ISO 19156 O&M; OGC SensorML field spectroscopy; metadata; reflectance spectral libraries; ISO 19115; ISO 19156 O&M; OGC SensorML
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Jiménez, M.; González, M.; Amaro, A.; Fernández-Renau, A. Field Spectroscopy Metadata System Based on ISO and OGC Standards. ISPRS Int. J. Geo-Inf. 2014, 3, 1003-1022.

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