Automatic segmentation and classification of seven-segment display digits on auroral images

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Savolainen, Tuomas
dc.contributor.author Keith Whiter, Daniel
dc.contributor.author Partamies, Noora
dc.date.accessioned 2017-05-11T07:38:30Z
dc.date.available 2017-05-11T07:38:30Z
dc.date.issued 2016-07-21
dc.identifier.citation Savolainen , T , Keith Whiter , D & Partamies , N 2016 , ' Automatic segmentation and classification of seven-segment display digits on auroral images ' GEOSCIENTIFIC INSTRUMENTATION, METHODS AND DATA SYSTEMS , vol 5 , no. 2 , pp. 305-314 . DOI: 10.5194/gi-5-305-2016 en
dc.identifier.issn 2193-0856
dc.identifier.other PURE UUID: 658e38c9-9bba-4b85-9f4c-5db8c926cb8a
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/automatic-segmentation-and-classification-of-sevensegment-display-digits-on-auroral-images(658e38c9-9bba-4b85-9f4c-5db8c926cb8a).html
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=84979517520&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/11623926/gi_5_305_2016.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/25564
dc.description.abstract In this paper we describe a new and fully automatic method for segmenting and classifying digits in seven-segment displays. The method is applied to a dataset consisting of about 7 million auroral all-sky images taken during the time period of 1973-1997 at camera stations centred around Sodankylä observatory in northern Finland. In each image there is a clock display for the date and time together with the reflection of the whole night sky through a spherical mirror. The digitised film images of the night sky contain valuable scientific information but are impractical to use without an automatic method for extracting the date-time from the display. We describe the implementation and the results of such a method in detail in this paper. en
dc.format.extent 10
dc.format.extent 305-314
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries GEOSCIENTIFIC INSTRUMENTATION, METHODS AND DATA SYSTEMS en
dc.relation.ispartofseries Volume 5, issue 2 en
dc.rights openAccess en
dc.subject.other Atmospheric Science en
dc.subject.other Geology en
dc.subject.other Oceanography en
dc.subject.other 222 Other engineering and technologies en
dc.title Automatic segmentation and classification of seven-segment display digits on auroral images en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Design Factory
dc.contributor.department University of Southampton
dc.contributor.department University Centre in Svalbard
dc.subject.keyword Atmospheric Science
dc.subject.keyword Geology
dc.subject.keyword Oceanography
dc.subject.keyword 222 Other engineering and technologies
dc.identifier.urn URN:NBN:fi:aalto-201705113948
dc.identifier.doi 10.5194/gi-5-305-2016
dc.type.version publishedVersion


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