{"id":"https://openalex.org/W3213047736","doi":"https://doi.org/10.1109/tgrs.2021.3126888","title":"Method for Forecasting Ionospheric Electron Content Fluctuations Based on the Optical Flow Algorithm","display_name":"Method for Forecasting Ionospheric Electron Content Fluctuations Based on the Optical Flow Algorithm","publication_year":2021,"publication_date":"2021-11-09","ids":{"openalex":"https://openalex.org/W3213047736","doi":"https://doi.org/10.1109/tgrs.2021.3126888","mag":"3213047736"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2021.3126888","doi":"https://doi.org/10.1109/tgrs.2021.3126888","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2021.3126888","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","ccf-b","cwts-core","dongbi-b","jufo-3","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2117/365213","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012706591","display_name":"Enric Monte","orcid":"https://orcid.org/0000-0002-4907-0494","observed_orcids":["https://orcid.org/0000-0002-4907-0494"]},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Enric Monte-Moreno","raw_affiliation_strings":["TALP, Universitat Polit\u00e8cnica de Catalunya, Barcelona, Spain","TALP, Universitat Polit&#x00E8","cnica de Catalunya, Barcelona, Spain"],"raw_orcid":"https://orcid.org/0000-0002-4907-0494","affiliations":[{"raw_affiliation_string":"TALP, Universitat Polit\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"TALP, Universitat Polit&#x00E8","institution_ids":[]},{"raw_affiliation_string":"cnica de Catalunya, Barcelona, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013877845","display_name":"Manuel Hern\u00e1ndez Pajares","orcid":"https://orcid.org/0000-0002-9687-5850","observed_orcids":["https://orcid.org/0000-0002-9687-5850"]},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Manuel Hernandez-Pajares","raw_affiliation_strings":["IonSAT, Universitat Polit\u00e8cnica de Catalunya, Barcelona, Spain","IonSAT, Universitat Polit&#x00E8","cnica de Catalunya, Barcelona, Spain"],"raw_orcid":"https://orcid.org/0000-0002-9687-5850","affiliations":[{"raw_affiliation_string":"IonSAT, Universitat Polit\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"IonSAT, Universitat Polit&#x00E8","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"cnica de Catalunya, Barcelona, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100763889","display_name":"Heng Yang","orcid":"https://orcid.org/0000-0002-1583-2307","observed_orcids":["https://orcid.org/0000-0002-1583-2307"]},"institutions":[{"id":"https://openalex.org/I32377083","display_name":"Yangtze Normal University","ror":"https://ror.org/05v8v7d33","country_code":"CN","type":"education","lineage":["https://openalex.org/I32377083"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["CN","ES"],"is_corresponding":false,"raw_author_name":"Heng Yang","raw_affiliation_strings":["School of Electronic Information and Engineering, Yangtze Normal University, Chongqing, China","TALP, Universitat Polit\u00e8cnica de Catalunya, Barcelona, Spain","TALP, Universitat Polit&#x00E8","cnica de Catalunya, Barcelona, Spain"],"raw_orcid":"https://orcid.org/0000-0002-1583-2307","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Engineering, Yangtze Normal University, Chongqing, China","institution_ids":["https://openalex.org/I32377083"]},{"raw_affiliation_string":"TALP, Universitat Polit\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"TALP, Universitat Polit&#x00E8","institution_ids":[]},{"raw_affiliation_string":"cnica de Catalunya, Barcelona, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075167104","display_name":"Alberto Garc\u0131a Rigo","orcid":"https://orcid.org/0000-0001-6226-4851","observed_orcids":["https://orcid.org/0000-0001-6226-4851"]},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Alberto Garcia Rigo","raw_affiliation_strings":["IonSAT, Universitat Polit\u00e8cnica de Catalunya, Barcelona, Spain","IonSAT, Universitat Polit&#x00E8","cnica de Catalunya, Barcelona, Spain"],"raw_orcid":"https://orcid.org/0000-0001-6226-4851","affiliations":[{"raw_affiliation_string":"IonSAT, Universitat Polit\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"IonSAT, Universitat Polit&#x00E8","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"cnica de Catalunya, Barcelona, Spain","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046296191","display_name":"Yaqi Jin","orcid":"https://orcid.org/0000-0002-0076-9579","observed_orcids":["https://orcid.org/0000-0002-0076-9579"]},"institutions":[{"id":"https://openalex.org/I184942183","display_name":"University of Oslo","ror":"https://ror.org/01xtthb56","country_code":"NO","type":"education","lineage":["https://openalex.org/I184942183"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Yaqi Jin","raw_affiliation_strings":["University of Oslo, Oslo, Norway"],"raw_orcid":"https://orcid.org/0000-0002-0076-9579","affiliations":[{"raw_affiliation_string":"University of Oslo, Oslo, Norway","institution_ids":["https://openalex.org/I184942183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059318294","display_name":"Per H\u00f8eg","orcid":"https://orcid.org/0000-0002-3172-5587","observed_orcids":["https://orcid.org/0000-0002-3172-5587"]},"institutions":[{"id":"https://openalex.org/I184942183","display_name":"University of Oslo","ror":"https://ror.org/01xtthb56","country_code":"NO","type":"education","lineage":["https://openalex.org/I184942183"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Per Hoeg","raw_affiliation_strings":["University of Oslo, Oslo, Norway"],"raw_orcid":"https://orcid.org/0000-0002-3172-5587","affiliations":[{"raw_affiliation_string":"University of Oslo, Oslo, Norway","institution_ids":["https://openalex.org/I184942183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086688344","display_name":"Wojciech Jacek Miloch","orcid":"https://orcid.org/0000-0002-5202-750X","observed_orcids":["https://orcid.org/0000-0002-5202-750X"]},"institutions":[{"id":"https://openalex.org/I184942183","display_name":"University of Oslo","ror":"https://ror.org/01xtthb56","country_code":"NO","type":"education","lineage":["https://openalex.org/I184942183"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Wojciech J. Miloch","raw_affiliation_strings":["University of Oslo, Oslo, Norway"],"raw_orcid":"https://orcid.org/0000-0002-5202-750X","affiliations":[{"raw_affiliation_string":"University of Oslo, Oslo, Norway","institution_ids":["https://openalex.org/I184942183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053102582","display_name":"Pawe\u0142 Wielgosz","orcid":"https://orcid.org/0000-0002-5542-1481","observed_orcids":["https://orcid.org/0000-0002-5542-1481"]},"institutions":[{"id":"https://openalex.org/I47996466","display_name":"University of Warmia and Mazury in Olsztyn","ror":"https://ror.org/05s4feg49","country_code":"PL","type":"education","lineage":["https://openalex.org/I47996466"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Pawel Wielgosz","raw_affiliation_strings":["Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland"],"raw_orcid":"https://orcid.org/0000-0002-5542-1481","affiliations":[{"raw_affiliation_string":"Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland","institution_ids":["https://openalex.org/I47996466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013830905","display_name":"Wojciech Jarmo\u0142owski","orcid":"https://orcid.org/0000-0001-7654-458X","observed_orcids":["https://orcid.org/0000-0001-7654-458X"]},"institutions":[{"id":"https://openalex.org/I47996466","display_name":"University of Warmia and Mazury in Olsztyn","ror":"https://ror.org/05s4feg49","country_code":"PL","type":"education","lineage":["https://openalex.org/I47996466"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Wojciech Jarmolowski","raw_affiliation_strings":["Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland"],"raw_orcid":"https://orcid.org/0000-0001-7654-458X","affiliations":[{"raw_affiliation_string":"Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland","institution_ids":["https://openalex.org/I47996466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089387934","display_name":"Jacek Paziewski","orcid":"https://orcid.org/0000-0002-6033-2547","observed_orcids":["https://orcid.org/0000-0002-6033-2547"]},"institutions":[{"id":"https://openalex.org/I47996466","display_name":"University of Warmia and Mazury in Olsztyn","ror":"https://ror.org/05s4feg49","country_code":"PL","type":"education","lineage":["https://openalex.org/I47996466"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Jacek Paziewski","raw_affiliation_strings":["Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland"],"raw_orcid":"https://orcid.org/0000-0002-6033-2547","affiliations":[{"raw_affiliation_string":"Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland","institution_ids":["https://openalex.org/I47996466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003607357","display_name":"Beata Milanowska","orcid":"https://orcid.org/0000-0002-5558-0001","observed_orcids":["https://orcid.org/0000-0002-5558-0001"]},"institutions":[{"id":"https://openalex.org/I47996466","display_name":"University of Warmia and Mazury in Olsztyn","ror":"https://ror.org/05s4feg49","country_code":"PL","type":"education","lineage":["https://openalex.org/I47996466"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Beata Milanowska","raw_affiliation_strings":["Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland"],"raw_orcid":"https://orcid.org/0000-0002-5558-0001","affiliations":[{"raw_affiliation_string":"Institute of Geodesy, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland","institution_ids":["https://openalex.org/I47996466"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045434933","display_name":"Mainul Hoque","orcid":"https://orcid.org/0000-0001-5134-4901","observed_orcids":["https://orcid.org/0000-0001-5134-4901"]},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Mainul Hoque","raw_affiliation_strings":["German Aerospace Center (DLR), Neustrelitz, Germany"],"raw_orcid":"https://orcid.org/0000-0001-5134-4901","affiliations":[{"raw_affiliation_string":"German Aerospace Center (DLR), Neustrelitz, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007297267","display_name":"Ra\u00fcl Or\u00fas P\u00e9rez","orcid":"https://orcid.org/0000-0003-2761-9850","observed_orcids":["https://orcid.org/0000-0003-2761-9850"]},"institutions":[{"id":"https://openalex.org/I44377176","display_name":"European Space Research and Technology Centre","ror":"https://ror.org/03h3jqn23","country_code":"NL","type":"government","lineage":["https://openalex.org/I2801994115","https://openalex.org/I44377176"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Raul Orus Perez","raw_affiliation_strings":["European Space Research and Technology Centre (ESTEC), Noordwijk, AG, The Netherlands"],"raw_orcid":"https://orcid.org/0000-0003-2761-9850","affiliations":[{"raw_affiliation_string":"European Space Research and Technology Centre (ESTEC), Noordwijk, AG, The Netherlands","institution_ids":["https://openalex.org/I44377176"]}]}],"institutions":[],"countries_distinct_count":6,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2045,"currency":"USD","value_usd":2045},"apc_paid":null,"fwci":0.727,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.61327945,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"60","issue":null,"first_page":"1","last_page":"21"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9843999743461609,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9843999743461609,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.01119999960064888,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.0010999999940395355,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ionospheric-electron-content","display_name":"ionospheric electron content","score":0.8100000023841858},{"id":"https://openalex.org/keywords/optical-flow","display_name":"optical flow","score":0.7919999957084656},{"id":"https://openalex.org/keywords/ionospheric-forecasting","display_name":"ionospheric prediction","score":0.6809999942779541},{"id":"https://openalex.org/keywords/ionospheric-disturbances","display_name":"ionospheric disturbances","score":0.5080000162124634},{"id":"https://openalex.org/keywords/multi-gnss","display_name":"multi-GNSS","score":0.5590000152587891},{"id":"https://openalex.org/keywords/gnss-receivers","display_name":"GNSS receivers","score":0.47099998593330383}],"concepts":[{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.788032054901123},{"id":"https://openalex.org/C165391973","wikidata":"https://www.wikidata.org/wiki/Q844304","display_name":"Total electron content","level":4,"score":0.6648106575012207},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.49490731954574585},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4726994037628174},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47017019987106323},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.45438089966773987},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.43204233050346375},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.4246794581413269},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41369158029556274},{"id":"https://openalex.org/C176379880","wikidata":"https://www.wikidata.org/wiki/Q18031939","display_name":"TEC","level":3,"score":0.3741745948791504},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.3587290048599243},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.28516700863838196},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.19934481382369995},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17516162991523743},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08489972352981567},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tgrs.2021.3126888","doi":"https://doi.org/10.1109/tgrs.2021.3126888","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2021.3126888","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","ccf-b","cwts-core","dongbi-b","jufo-3","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:elib.dlr.de:148773","doi":null,"is_oa":false,"landing_page_url":"https://elib.dlr.de/148773/1/Method_for_Forecasting_Ionospheric_Electron_Content_Fluctuations_Based_on_the_Optical_Flow_Algorithm..pdf","pdf_url":"https://elib.dlr.de/148773/1/Method_for_Forecasting_Ionospheric_Electron_Content_Fluctuations_Based_on_the_Optical_Flow_Algorithm..pdf","source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Zeitschriftenbeitrag"},{"id":"pmh:oai:upcommons.upc.edu:2117/365213","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/365213","pdf_url":null,"source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:upcommons.upc.edu:2117/365213","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/365213","pdf_url":null,"source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2991764298","display_name":null,"funder_award_id":"1000026374","funder_id":"https://openalex.org/F4320318240","funder_display_name":"European Space Agency"}],"funders":[{"id":"https://openalex.org/F4320318240","display_name":"European Space Agency","ror":"https://ror.org/03wd9za21"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1520170467","https://openalex.org/W1578285471","https://openalex.org/W1878975916","https://openalex.org/W1997574807","https://openalex.org/W2015159529","https://openalex.org/W2040267228","https://openalex.org/W2050027983","https://openalex.org/W2055147899","https://openalex.org/W2065122129","https://openalex.org/W2094797839","https://openalex.org/W2096621047","https://openalex.org/W2103559027","https://openalex.org/W2137291015","https://openalex.org/W2336524337","https://openalex.org/W2579321071","https://openalex.org/W2598912124","https://openalex.org/W2761482268","https://openalex.org/W2770194917","https://openalex.org/W2800790396","https://openalex.org/W2803444253","https://openalex.org/W2809259586","https://openalex.org/W2810851261","https://openalex.org/W2897473609","https://openalex.org/W2913340056","https://openalex.org/W2977261723","https://openalex.org/W3027817427","https://openalex.org/W3109439357","https://openalex.org/W3134949556","https://openalex.org/W4205687621","https://openalex.org/W4232817602"],"related_works":["https://openalex.org/W2517326120","https://openalex.org/W2809259586","https://openalex.org/W2389142458","https://openalex.org/W201334016","https://openalex.org/W2347505238","https://openalex.org/W7127048841","https://openalex.org/W2043853878","https://openalex.org/W4322211636","https://openalex.org/W4220771196","https://openalex.org/W1545415609"],"abstract_inverted_index":{"We":[0,142],"present":[1],"the":[2,8,43,75,80,90,100,103,109,120,134,137,145,150,157,167,170,206,225,238],"optical":[3,121],"flow":[4,122],"algorithm":[5,127],"for":[6,21],"forecasting":[7],"rate":[9,44,227],"of":[10,18,24,27,33,42,45,47,74,102,105,119,136,153,183,215,231],"total":[11,48],"electron":[12,29,49],"content":[13,30,50],"index":[14,51],"(OFROTI).":[15],"It":[16],"consists":[17],"a":[19,95,117,162,178],"method":[20,88,146,191],"predicting":[22,176],"maps":[23,71],"rapid":[25],"fluctuations":[26],"ionospheric":[28],"in":[31,57,79,140],"terms":[32],"global":[34],"navigation":[35],"satellite":[36],"system":[37],"(GNSS)":[38],"dual-frequency":[39],"phase":[40],"measurements":[41,214,230],"change":[46],"(ROTI).":[52],"The":[53,86,126,190],"forecast":[54,70],"is":[55,114],"made":[56],"space":[58],"and":[59,155,198,203,211],"time,":[60],"at":[61],"horizons":[62,182],"up":[63,186],"to":[64,107,131,187],"more":[65,216],"than":[66,166,217],"6":[67,188],"h.":[68,189],"These":[69],"will":[72],"consist":[73],"ROTI":[76,91,106,138,154,160],"spatial":[77,92],"distribution":[78,93],"northern":[81],"hemisphere":[82],"above":[83,161,221],"45\u00b0":[84],"latitude.":[85],"prediction":[87,168],"models":[89],"as":[94,116,173],"pseudoconservative":[96],"flux,":[97],"i.e.,":[98,175],"exploiting":[99],"inertia":[101],"flux":[104],"determine":[108],"future":[110],"position.":[111],"This":[112],"idea":[113],"implemented":[115],"modification":[118],"image":[123],"processing":[124],"technique.":[125],"has":[128],"been":[129],"modified":[130],"deal":[132],"with":[133,159],"nonconservation":[135],"quantity":[139],"time.":[141],"show":[143],"that":[144],"can":[147],"predict":[148],"both,":[149],"local":[151],"value":[152],"also":[156],"regions":[158],"given":[163],"level,":[164],"better":[165],"using":[169],"current":[171,179],"map":[172,180],"forecast,":[174],"by":[177],"from":[181,205],"15":[184],"min":[185],"was":[192],"tested":[193],"on":[194],"11":[195],"representative":[196],"active":[197],"calm":[199],"days":[200],"during":[201],"2015":[202],"2018":[204],"multi-GNSS":[207,219],"(GPS,":[208],"GLONASS,":[209],"Galileo,":[210],"Beidou)":[212],"multifrequency":[213],"250":[218],"receivers":[220],"45\u00b0N":[222],"latitude,":[223],"including":[224],"high":[226],"(1":[228],"Hz)":[229],"Greenland":[232],"geodetic":[233],"network":[234,236],"(GNET)":[235],"among":[237],"International":[239],"GNSS":[240],"Service":[241],"network.":[242]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2021-11-22T00:00:00"}