Metadata of spectral data collections
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TL;DR
RSL developed the SPECCHIO system which is based on a relational database and provides data input, query and output mechanisms that strive to minimize the manual data capture.
Abstract
Metadata is important for the interpretation of scientific data, quality assessment and long term usability of data sets. The sharing of spectral data collections among research groups is uncommon and one of the reasons for this is the missing standardisation of the sampling process. Appropriate metadata serves the purpose of detailing the sampling procedure and the surrounding conditions during data capture, thus providing necessary information for data sharing. Reliable data retrieval requires the organised storage of spectral and metadata. To this means RSL developed the SPECCHIO system which is based on a relational database and provides data input, query and output mechanisms that strive to minimize the manual data capture. SPECCHIO serves as a non-redundant repository and source for spectral signatures which can be retrieved by metadata queries. The system will be used in the level 2/3 processing of the APEX (Airborne Prism Experiment) product generation to support the classification of natural and manmade materials and landcovers.