Data inconsistency in sunspot detection

Ehsan Shahamatnia, Ivan Dorotovič, André Mora, José Fonseca, Rita Ribeiro

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)


Availability of integrated high quality information is a prerequisite for many intelligent knowledge based systems. Consistency of data plays an influential role in reassuring the quality of the integrated data. In this paper we discuss issues of data inconsistency in the domain of sunspot detection (i.e. a manifestation of solar activity). Sunspots data are collected from ground based observatories and also from instruments aboard satellites. Due to instrumentation limitations and inevitable subjectivity of human observers, the collected data bear some levels of inconsistency. This paper discusses issues regarding inconsistency in data used for performance validation of an automated sunspot tracking system. For evaluating the results, an integrated probability reference map is created, using knowledge integration, which reinforces data accuracy with higher certainty. Further, we use a weighted matching technique to reduce the impact of some data inconsistency.

Original languageEnglish
Title of host publicationIntelligent Systems'2014
Subtitle of host publicationTools, Architectures, Systems, Applications
EditorsD. Filev, J. Jabłkowski, J. Kacprzyk, M. Krawczak, I. Popchev, L. Rutkowski, V. Sgurev, E. Sotirova, P. Szynkarczyk, S. Zadrozny
Place of PublicationCham
PublisherSpringer Verlag
Number of pages11
ISBN (Electronic)978-3-319-11310-4
ISBN (Print)978-3-319-11309-8
Publication statusPublished - 2015
Event7th IEEE International Conference Intelligent Systems (IS’2014) - Warsaw, Poland
Duration: 24 Sept 201426 Sept 2014
Conference number: 7th

Publication series

NameAdvances in Intelligent Systems and Computing
ISSN (Print)2194-5357


Conference7th IEEE International Conference Intelligent Systems (IS’2014)
Abbreviated titleIS’2014


  • Data fusion
  • Knowledge integration
  • Solar image processing
  • Sunspot


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