{"id":"https://openalex.org/W4409435692","doi":"https://doi.org/10.17587/it.31.191-198","title":"Removal of Outliers in Geomagnetic Field Time Series Using the Hampel Filter","display_name":"Removal of Outliers in Geomagnetic Field Time Series Using the Hampel Filter","publication_year":2025,"publication_date":"2025-04-14","ids":{"openalex":"https://openalex.org/W4409435692","doi":"https://doi.org/10.17587/it.31.191-198"},"language":"en","primary_location":{"id":"doi:10.17587/it.31.191-198","doi":"https://doi.org/10.17587/it.31.191-198","is_oa":false,"landing_page_url":"https://doi.org/10.17587/it.31.191-198","pdf_url":null,"source":{"id":"https://openalex.org/S4210196013","display_name":"INFORMACIONNYE TEHNOLOGII","issn_l":"1684-6400","issn":["1684-6400"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Informacionnye Tehnologii","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030795689","display_name":"Sanjar A. Imashev","orcid":"https://orcid.org/0000-0003-3293-3764","observed_orcids":["https://orcid.org/0000-0003-3293-3764"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. A. Imashev","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"E. \u0410. Lazareva","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E. \u0410. Lazareva","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0439295,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"31","issue":"4","first_page":"191","last_page":"198"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11786","display_name":"Geomagnetism and Paleomagnetism Studies","score":0.9291999936103821,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11786","display_name":"Geomagnetism and Paleomagnetism Studies","score":0.9291999936103821,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.016499999910593033,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.014000000432133675,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/outlier-removal","display_name":"outlier removal","score":0.9549999833106995},{"id":"https://openalex.org/keywords/hampel-filter","display_name":"Hampel filter","score":0.9610000252723694},{"id":"https://openalex.org/keywords/magnetograms","display_name":"magnetograms","score":0.9259999990463257},{"id":"https://openalex.org/keywords/intermagnet","display_name":"INTERMAGNET","score":0.8479999899864197},{"id":"https://openalex.org/keywords/thunderstorm-activity","display_name":"thunderstorm activity","score":0.8330000042915344},{"id":"https://openalex.org/keywords/geomagnetic-monitoring","display_name":"geomagnetic monitoring","score":0.7379999756813049},{"id":"https://openalex.org/keywords/data-quality","display_name":"data quality","score":0.7730000019073486}],"concepts":[{"id":"https://openalex.org/C79337645","wikidata":"https://www.wikidata.org/wiki/Q779824","display_name":"Outlier","level":2,"score":0.6053762435913086},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.5940178036689758},{"id":"https://openalex.org/C199635899","wikidata":"https://www.wikidata.org/wiki/Q6500960","display_name":"Earth's magnetic field","level":3,"score":0.5719160437583923},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.45515507459640503},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4439561367034912},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.355802446603775},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2644338607788086},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2255232334136963},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1589617133140564},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.12932151556015015},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.17587/it.31.191-198","doi":"https://doi.org/10.17587/it.31.191-198","is_oa":false,"landing_page_url":"https://doi.org/10.17587/it.31.191-198","pdf_url":null,"source":{"id":"https://openalex.org/S4210196013","display_name":"INFORMACIONNYE TEHNOLOGII","issn_l":"1684-6400","issn":["1684-6400"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Informacionnye Tehnologii","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2384466904","https://openalex.org/W1924297737","https://openalex.org/W2356502159","https://openalex.org/W2801234107","https://openalex.org/W2937099569","https://openalex.org/W3005992387","https://openalex.org/W2119012848","https://openalex.org/W2622688551","https://openalex.org/W1550175370","https://openalex.org/W1990205660"],"abstract_inverted_index":{"The":[0,80],"paper":[1],"presents":[2],"a":[3,70],"methodology":[4,59],"for":[5,19,39,43,60,89],"removing":[6],"outliers":[7,111],"in":[8,46],"geomagnetic":[9,91],"field":[10],"time":[11],"series":[12],"using":[13,56],"the":[14,25,29,32,50,57,61,65,83,90,95,99,107],"Hampel":[15],"filter.":[16],"Quality":[17],"metrics":[18],"binary":[20],"data":[21,87],"classification":[22],"based":[23],"on":[24],"confusion":[26],"matrix":[27],"demonstrated":[28],"effectiveness":[30],"of":[31,49,85,94,98,102,109],"method":[33,81],"and":[34],"are":[35],"comparable":[36],"to":[37],"those":[38],"similar":[40],"algorithms":[41],"used":[42],"outlier":[44],"removal":[45],"1-second":[47],"magnetograms":[48,110],"international":[51],"INTERMAGNET":[52],"network.":[53],"Outliers":[54],"identified":[55],"developed":[58],"period":[62],"2019-2022":[63],"at":[64],"Ak-Suu":[66],"base":[67],"station":[68],"exhibit":[69],"seasonal":[71],"distribution":[72],"pattern":[73],"that":[74],"correlates":[75],"well":[76],"with":[77],"thunderstorm":[78],"activity.":[79],"enhances":[82],"quality":[84],"preliminary":[86],"processing":[88],"monitoring":[92],"network":[93],"Research":[96],"Station":[97],"Russian":[100],"Academy":[101],"Sciences,":[103],"specifically":[104],"by":[105],"automating":[106],"procedure":[108],"filtering.":[112]},"counts_by_year":[],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2025-04-15T00:00:00"}