{"id":"https://openalex.org/W4392181816","doi":"https://doi.org/10.48550/arxiv.2402.14892","title":"Novelty Detection on Radio Astronomy Data using Signatures","display_name":"Novelty Detection on Radio Astronomy Data using Signatures","publication_year":2024,"publication_date":"2024-02-22","ids":{"openalex":"https://openalex.org/W4392181816","doi":"https://doi.org/10.48550/arxiv.2402.14892"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2402.14892","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2402.14892","pdf_url":"https://arxiv.org/pdf/2402.14892","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2402.14892","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5093977863","display_name":"Paola Arrubarrena","orcid":"https://orcid.org/0000-0001-7191-3366"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Arrubarrena, Paola","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055402057","display_name":"Maud Lemercier","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lemercier, Maud","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072113938","display_name":"Bojan Nikolic","orcid":"https://orcid.org/0000-0001-7168-2705"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nikolic, Bojan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033716148","display_name":"Terry Lyons","orcid":"https://orcid.org/0000-0002-9972-2809"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lyons, Terry","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5102770404","display_name":"Thomas Cass","orcid":"https://orcid.org/0000-0002-8560-1483"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cass, Thomas","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":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9833999872207642,"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"}},"topics":[{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9833999872207642,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/novelty","display_name":"Novelty","score":0.7952102422714233},{"id":"https://openalex.org/keywords/radio-astronomy","display_name":"Radio astronomy","score":0.5361694097518921},{"id":"https://openalex.org/keywords/novelty-detection","display_name":"Novelty detection","score":0.49319618940353394},{"id":"https://openalex.org/keywords/astronomy","display_name":"Astronomy","score":0.45624226331710815},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4487966299057007},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.42772024869918823},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2813911736011505},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.23468658328056335},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.07060998678207397}],"concepts":[{"id":"https://openalex.org/C2778738651","wikidata":"https://www.wikidata.org/wiki/Q16546687","display_name":"Novelty","level":2,"score":0.7952102422714233},{"id":"https://openalex.org/C150143219","wikidata":"https://www.wikidata.org/wiki/Q4306","display_name":"Radio astronomy","level":2,"score":0.5361694097518921},{"id":"https://openalex.org/C2778924833","wikidata":"https://www.wikidata.org/wiki/Q7064603","display_name":"Novelty detection","level":3,"score":0.49319618940353394},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.45624226331710815},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4487966299057007},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.42772024869918823},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2813911736011505},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.23468658328056335},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.07060998678207397},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2402.14892","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2402.14892","pdf_url":"https://arxiv.org/pdf/2402.14892","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"doi:10.48550/arxiv.2402.14892","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2402.14892","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2402.14892","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2402.14892","pdf_url":"https://arxiv.org/pdf/2402.14892","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4392181816.pdf"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2064636555","https://openalex.org/W2585503716","https://openalex.org/W1939982668","https://openalex.org/W2105014086","https://openalex.org/W2076090200","https://openalex.org/W3025682415","https://openalex.org/W2081173909","https://openalex.org/W4382317424","https://openalex.org/W4389009659","https://openalex.org/W1532481220"],"abstract_inverted_index":{"We":[0,184,204],"introduce":[1],"SigNova,":[2],"a":[3,61,88,137,152],"new":[4],"semi-supervised":[5],"framework":[6,48,207],"for":[7,161],"detecting":[8,19],"anomalies":[9],"in":[10,23,100,200],"streamed":[11,45],"data.":[12,46,203],"While":[13],"our":[14,168,206],"initial":[15],"examples":[16],"focus":[17],"on":[18,125,171,177,208],"radio-frequency":[20],"interference":[21],"(RFI)":[22],"digitized":[24],"signals":[25],"within":[26],"the":[27,56,93,116,165,172,178,181,189,209,219],"field":[28],"of":[29,44,64,119,167,180,191,194,222],"radio":[30],"astronomy,":[31],"it":[32],"is":[33,86],"important":[34],"to":[35,41,59,73,96,140,155],"note":[36],"that":[37,113],"SigNova's":[38],"applicability":[39],"extends":[40],"any":[42],"type":[43],"The":[47],"comprises":[49],"three":[50],"primary":[51],"components.":[52],"Firstly,":[53],"we":[54,109,130],"use":[55],"signature":[57],"transform":[58],"extract":[60],"canonical":[62],"collection":[63],"summary":[65],"statistics":[66],"from":[67,115],"observational":[68],"sequences.":[69],"This":[70,149],"allows":[71],"us":[72],"represent":[74],"variable-length":[75],"visibility":[76,121,202],"samples":[77,122],"as":[78,92],"finite-dimensional":[79],"feature":[80,84],"vectors.":[81],"Secondly,":[82],"each":[83],"vector":[85],"assigned":[87],"novelty":[89],"score,":[90],"calculated":[91],"Mahalanobis":[94],"distance":[95],"its":[97],"nearest":[98],"neighbor":[99],"an":[101],"RFI-free":[102,120],"training":[103],"set.":[104],"By":[105],"thresholding":[106],"these":[107],"scores":[108],"identify":[110],"observation":[111,182],"ranges":[112],"deviate":[114],"expected":[117],"behavior":[118],"without":[123],"relying":[124],"stringent":[126],"distributional":[127],"assumptions.":[128],"Thirdly,":[129],"integrate":[131],"this":[132],"anomaly":[133],"detector":[134],"with":[135,145],"Pysegments,":[136],"segmentation":[138],"algorithm,":[139],"localize":[141],"consecutive":[142],"observations":[143],"contaminated":[144],"RFI,":[146],"if":[147],"any.":[148],"approach":[150],"provides":[151],"compelling":[153],"alternative":[154],"classical":[156],"windowing":[157],"techniques":[158],"commonly":[159],"used":[160],"RFI":[162,173,195],"detection.":[163],"Importantly,":[164],"complexity":[166],"algorithm":[169],"depends":[170],"pattern":[174],"rather":[175],"than":[176],"size":[179],"window.":[183],"demonstrate":[185],"how":[186],"SigNova":[187],"improves":[188],"detection":[190],"various":[192],"types":[193],"(e.g.,":[196],"broadband":[197],"and":[198,215,218],"narrowband)":[199],"time-frequency":[201],"validate":[205],"Murchison":[210],"Widefield":[211],"Array":[212,224],"(MWA)":[213],"telescope":[214],"simulated":[216],"data":[217],"Hydrogen":[220],"Epoch":[221],"Reionization":[223],"(HERA).":[225]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2025-10-10T00:00:00"}
