{"id":"https://openalex.org/W2784110776","doi":"https://doi.org/10.1109/icsai.2017.8248476","title":"Ionogram denoising and trace extraction based on improved filter and morphology method","display_name":"Ionogram denoising and trace extraction based on improved filter and morphology method","publication_year":2017,"publication_date":"2017-11-01","ids":{"openalex":"https://openalex.org/W2784110776","doi":"https://doi.org/10.1109/icsai.2017.8248476","mag":"2784110776"},"language":"en","primary_location":{"id":"doi:10.1109/icsai.2017.8248476","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icsai.2017.8248476","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 4th International Conference on Systems and Informatics (ICSAI)","raw_type":"proceedings-article"},"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/A5103277906","display_name":"Wensi Yang","orcid":"https://orcid.org/0000-0001-8916-632X"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wensi Yang","raw_affiliation_strings":["School of Computer and Information Technology, Beijing Jiaotong University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Technology, Beijing Jiaotong University, Beijing, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100637859","display_name":"Ziwei Chen","orcid":"https://orcid.org/0000-0002-3707-0235"},"institutions":[{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziwei Chen","raw_affiliation_strings":["Key Laboratory of Electromagnetic Radiation and Detection Technology, Institute of Electronics Chinese Academy of Science, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Electromagnetic Radiation and Detection Technology, Institute of Electronics Chinese Academy of Science, Beijing, China","institution_ids":["https://openalex.org/I4210110458"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031785556","display_name":"Guangyou Fang","orcid":"https://orcid.org/0000-0002-7443-0850"},"institutions":[{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangyou Fang","raw_affiliation_strings":["Key Laboratory of Electromagnetic Radiation and Detection Technology, Institute of Electronics Chinese Academy of Science, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Electromagnetic Radiation and Detection Technology, Institute of Electronics Chinese Academy of Science, Beijing, China","institution_ids":["https://openalex.org/I4210110458"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102504475","display_name":"Zhaoqian Gong","orcid":null},"institutions":[{"id":"https://openalex.org/I4210110458","display_name":"Institute of Electronics","ror":"https://ror.org/01z143507","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210110458"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaoqian Gong","raw_affiliation_strings":["Key Laboratory of Electromagnetic Radiation and Detection Technology, Institute of Electronics Chinese Academy of Science, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Electromagnetic Radiation and Detection Technology, Institute of Electronics Chinese Academy of Science, Beijing, China","institution_ids":["https://openalex.org/I4210110458"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5103277906"],"corresponding_institution_ids":["https://openalex.org/I21193070"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.14654447,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"1239","last_page":"1244"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9998000264167786,"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"}},{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.9986000061035156,"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"}},{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9955999851226807,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/ionogram","display_name":"Ionogram","score":0.9963087439537048},{"id":"https://openalex.org/keywords/ionosonde","display_name":"Ionosonde","score":0.9495554566383362},{"id":"https://openalex.org/keywords/ionosphere","display_name":"Ionosphere","score":0.6849793195724487},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5370345115661621},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5365759134292603},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.47102054953575134},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3643330931663513},{"id":"https://openalex.org/keywords/geophysics","display_name":"Geophysics","score":0.2865467667579651},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13182353973388672},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.0751887857913971}],"concepts":[{"id":"https://openalex.org/C16269946","wikidata":"https://www.wikidata.org/wiki/Q3801433","display_name":"Ionogram","level":4,"score":0.9963087439537048},{"id":"https://openalex.org/C184850221","wikidata":"https://www.wikidata.org/wiki/Q3801433","display_name":"Ionosonde","level":4,"score":0.9495554566383362},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.6849793195724487},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5370345115661621},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5365759134292603},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.47102054953575134},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3643330931663513},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.2865467667579651},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13182353973388672},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0751887857913971},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.0},{"id":"https://openalex.org/C125485243","wikidata":"https://www.wikidata.org/wiki/Q905186","display_name":"Electron density","level":3,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icsai.2017.8248476","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icsai.2017.8248476","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 4th International Conference on Systems and Informatics (ICSAI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.5699999928474426,"display_name":"Life below water"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W604378092","https://openalex.org/W2077698429","https://openalex.org/W2082543440","https://openalex.org/W2115468947","https://openalex.org/W2120353701","https://openalex.org/W2195739161","https://openalex.org/W6670362501","https://openalex.org/W6671133475"],"related_works":["https://openalex.org/W2729043467","https://openalex.org/W1541313549","https://openalex.org/W2062202308","https://openalex.org/W3205825672","https://openalex.org/W3170516869","https://openalex.org/W4224281455","https://openalex.org/W2780689716","https://openalex.org/W1678433171","https://openalex.org/W3086390418","https://openalex.org/W2293769684"],"abstract_inverted_index":{"The":[0,21],"ionosphere":[1],"is":[2,47],"an":[3],"essential":[4],"part":[5],"of":[6,28,38,58,78,88,98],"Earth's":[7],"upper":[8],"atmosphere.":[9],"It":[10],"can":[11,40,72],"be":[12],"explored":[13],"by":[14],"ground-based":[15],"ionosonde":[16],"or":[17],"space-based":[18],"topside":[19],"sounder.":[20],"ionogram":[22,33,82],"contains":[23],"ionosphere's":[24],"characteristics,":[25],"and":[26,68,76],"plenty":[27],"automatic":[29,56],"scaling":[30,57],"procedures":[31],"for":[32,55],"have":[34],"been":[35],"developed.":[36],"Most":[37],"them":[39],"output":[41],"correct":[42],"results":[43],"as":[44],"the":[45,59,74,85,105],"SNR":[46],"higher.":[48],"This":[49],"paper":[50],"presents":[51],"a":[52],"novel":[53],"method":[54],"F":[60],"layer":[61],"from":[62,84],"ionograms":[63],"based":[64],"on":[65],"improved":[66],"filter":[67],"morphology":[69],"method,":[70],"which":[71],"eliminate":[73],"noises":[75],"interference":[77],"ionospheric":[79],"ionograms.":[80],"Digital":[81,90],"data":[83,106],"Chinese":[86],"Academy":[87],"Science":[89],"Ionosonde":[91],"(CAS-CADI),":[92],"installed":[93],"at":[94],"Huailai":[95],"(115\u00b052'N,":[96],"40\u00b040'E)":[97],"Hebei":[99],"province,":[100],"were":[101],"used":[102],"to":[103],"demonstrate":[104],"processing":[107],"procedures.":[108]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}