{"id":"https://openalex.org/W3196183801","doi":"https://doi.org/10.1109/ecai52376.2021.9515064","title":"Optical correlator based on the Hilbert transform for image recognition","display_name":"Optical correlator based on the Hilbert transform for image recognition","publication_year":2021,"publication_date":"2021-07-01","ids":{"openalex":"https://openalex.org/W3196183801","doi":"https://doi.org/10.1109/ecai52376.2021.9515064","mag":"3196183801"},"language":"en","primary_location":{"id":"doi:10.1109/ecai52376.2021.9515064","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecai52376.2021.9515064","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI)","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/A5040007978","display_name":"Andrei Dr\u0103gulinescu","orcid":"https://orcid.org/0000-0001-9601-7584"},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":true,"raw_author_name":"Andrei Dragulinescu","raw_affiliation_strings":["Electronics Technology and Reliability Department, University Politehnica of Bucharest, Bucharest, Romania","Telecommunications Department, University Politehnica of Bucharest, Bucharest, Romania"],"affiliations":[{"raw_affiliation_string":"Electronics Technology and Reliability Department, University Politehnica of Bucharest, Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]},{"raw_affiliation_string":"Telecommunications Department, University Politehnica of Bucharest, Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021311616","display_name":"Ana\u2013Maria Dr\u0103gulinescu","orcid":"https://orcid.org/0000-0001-6096-5793"},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Ana-Maria Dragulinescu","raw_affiliation_strings":["Electronics Technology and Reliability Department, University Politehnica of Bucharest, Bucharest, Romania","Telecommunications Department, University Politehnica of Bucharest, Bucharest, Romania"],"affiliations":[{"raw_affiliation_string":"Electronics Technology and Reliability Department, University Politehnica of Bucharest, Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]},{"raw_affiliation_string":"Telecommunications Department, University Politehnica of Bucharest, Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027014244","display_name":"Ioana Marcu","orcid":"https://orcid.org/0000-0002-7294-1585"},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Ioana Marcu","raw_affiliation_strings":["Telecommunications Department, University Politehnica of Bucharest, Bucharest, Romania"],"affiliations":[{"raw_affiliation_string":"Telecommunications Department, University Politehnica of Bucharest, Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5040007978"],"corresponding_institution_ids":["https://openalex.org/I61641377"],"apc_list":null,"apc_paid":null,"fwci":0.3008,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.56237462,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"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/T10299","display_name":"Photonic and Optical Devices","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11569","display_name":"Optical Coherence Tomography Applications","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10232","display_name":"Optical Network Technologies","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/hilbert-transform","display_name":"Hilbert transform","score":0.728066086769104},{"id":"https://openalex.org/keywords/optical-correlator","display_name":"Optical correlator","score":0.6749179363250732},{"id":"https://openalex.org/keywords/hilbert-spectral-analysis","display_name":"Hilbert spectral analysis","score":0.592714250087738},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5630680322647095},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3906106948852539},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3249393701553345},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.32492515444755554},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.29438352584838867},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2697649896144867},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.10374122858047485}],"concepts":[{"id":"https://openalex.org/C28799612","wikidata":"https://www.wikidata.org/wiki/Q685437","display_name":"Hilbert transform","level":3,"score":0.728066086769104},{"id":"https://openalex.org/C2775921608","wikidata":"https://www.wikidata.org/wiki/Q7098847","display_name":"Optical correlator","level":3,"score":0.6749179363250732},{"id":"https://openalex.org/C207659853","wikidata":"https://www.wikidata.org/wiki/Q5761228","display_name":"Hilbert spectral analysis","level":4,"score":0.592714250087738},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5630680322647095},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3906106948852539},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3249393701553345},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.32492515444755554},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.29438352584838867},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2697649896144867},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.10374122858047485},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ecai52376.2021.9515064","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecai52376.2021.9515064","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2050697236","https://openalex.org/W2055943018","https://openalex.org/W2071437279","https://openalex.org/W2077474015","https://openalex.org/W2294383306","https://openalex.org/W2580694801","https://openalex.org/W2727734008","https://openalex.org/W2890710015","https://openalex.org/W2982136104","https://openalex.org/W3005003235","https://openalex.org/W3102659999","https://openalex.org/W3115077959","https://openalex.org/W6732201079","https://openalex.org/W6769453149","https://openalex.org/W6787701666"],"related_works":["https://openalex.org/W3117098581","https://openalex.org/W2393765384","https://openalex.org/W2064337902","https://openalex.org/W2028810851","https://openalex.org/W4255937906","https://openalex.org/W2384378031","https://openalex.org/W2371795120","https://openalex.org/W2390846130","https://openalex.org/W2944133676","https://openalex.org/W3196183801"],"abstract_inverted_index":{"In":[0],"this":[1,40,67],"paper,":[2],"we":[3,36],"evaluated":[4],"the":[5,9,23,29,32,49,52,63],"advantages":[6],"of":[7,31,42,51,65,69],"using":[8,66],"Hilbert":[10,24,34,53],"transform":[11,25,54],"in":[12,72],"an":[13],"optical":[14,19,43,55,70,83],"correlator.":[15,44],"We":[16],"reviewed":[17],"state-of-art":[18],"techniques":[20],"that":[21],"employ":[22],"and,":[26],"based":[27],"on":[28],"principle":[30],"classic":[33],"correlator,":[35],"performed":[37],"simulations":[38],"for":[39,57],"type":[41,68],"The":[45],"simulation":[46],"results":[47],"confirm":[48],"efficiency":[50],"correlator":[56,71],"image":[58],"recognition":[59],"applications":[60],"and":[61],"certify":[62],"suitability":[64],"future":[73],"applications,":[74],"as":[75],"a":[76],"viable":[77],"alternative":[78],"to":[79],"other":[80],"techniques,":[81],"either":[82],"or":[84],"digital.":[85]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
