{"id":"https://openalex.org/W1968304058","doi":"https://doi.org/10.1007/s11432-012-4688-2","title":"Contour detection improved by frequency domain filtering of gradient image","display_name":"Contour detection improved by frequency domain filtering of gradient image","publication_year":2012,"publication_date":"2012-11-23","ids":{"openalex":"https://openalex.org/W1968304058","doi":"https://doi.org/10.1007/s11432-012-4688-2","mag":"1968304058"},"language":"en","primary_location":{"id":"doi:10.1007/s11432-012-4688-2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11432-012-4688-2","pdf_url":null,"source":{"id":"https://openalex.org/S4210218743","display_name":"Science China Information Sciences","issn_l":"1674-733X","issn":["1674-733X","1869-1919"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Science China Information Sciences","raw_type":"journal-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/A5082505917","display_name":"Zhiguo Qu","orcid":"https://orcid.org/0000-0003-1469-6152"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"ZhiGuo Qu","raw_affiliation_strings":["ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China","Air Force Early Warning Academy, Wuhan, 430019, China"],"affiliations":[{"raw_affiliation_string":"ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Air Force Early Warning Academy, Wuhan, 430019, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100919562","display_name":"Yinghui Gao","orcid":"https://orcid.org/0009-0006-6217-4294"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"YingHui Gao","raw_affiliation_strings":["ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China"],"affiliations":[{"raw_affiliation_string":"ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100338672","display_name":"Ping Wang","orcid":"https://orcid.org/0000-0002-6917-6050"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ping Wang","raw_affiliation_strings":["ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China"],"affiliations":[{"raw_affiliation_string":"ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115605008","display_name":"Peng Wang","orcid":"https://orcid.org/0000-0003-0043-1487"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Wang","raw_affiliation_strings":["ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China"],"affiliations":[{"raw_affiliation_string":"ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102222425","display_name":"Tan Xiansi","orcid":"https://orcid.org/0000-0002-1174-0173"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"XianSi Tan","raw_affiliation_strings":["Air Force Early Warning Academy, Wuhan, 430019, China"],"affiliations":[{"raw_affiliation_string":"Air Force Early Warning Academy, Wuhan, 430019, China","institution_ids":[]}]},{"author_position":"last","author":{"id":null,"display_name":"ZhenKang Shen","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"ZhenKang Shen","raw_affiliation_strings":["ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China"],"affiliations":[{"raw_affiliation_string":"ATR Key Laboratory, National University of Defense Technology, Changsha, 410073, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5082505917"],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":1.3859,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.83097974,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"57","issue":"1","first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12111","display_name":"Industrial Vision Systems and Defect Detection","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T12111","display_name":"Industrial Vision Systems and Defect Detection","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T10638","display_name":"Optical measurement and interference techniques","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T12549","display_name":"Image and Object Detection Techniques","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/canny-edge-detector","display_name":"Canny edge detector","score":0.8118155002593994},{"id":"https://openalex.org/keywords/image-gradient","display_name":"Image gradient","score":0.7730710506439209},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7032884359359741},{"id":"https://openalex.org/keywords/edge-detection","display_name":"Edge detection","score":0.698350727558136},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6763157844543457},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6525582075119019},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.617104172706604},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6006887555122375},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5559266209602356},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5327883362770081},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.48932522535324097},{"id":"https://openalex.org/keywords/deriche-edge-detector","display_name":"Deriche edge detector","score":0.43051978945732117},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3877537250518799},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.34452831745147705},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.3172159790992737},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.05801421403884888}],"concepts":[{"id":"https://openalex.org/C14705441","wikidata":"https://www.wikidata.org/wiki/Q597183","display_name":"Canny edge detector","level":5,"score":0.8118155002593994},{"id":"https://openalex.org/C182037307","wikidata":"https://www.wikidata.org/wiki/Q17039097","display_name":"Image gradient","level":5,"score":0.7730710506439209},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7032884359359741},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.698350727558136},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6763157844543457},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6525582075119019},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.617104172706604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6006887555122375},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5559266209602356},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5327883362770081},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.48932522535324097},{"id":"https://openalex.org/C167074055","wikidata":"https://www.wikidata.org/wiki/Q5262565","display_name":"Deriche edge detector","level":5,"score":0.43051978945732117},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3877537250518799},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.34452831745147705},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.3172159790992737},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.05801421403884888},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11432-012-4688-2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11432-012-4688-2","pdf_url":null,"source":{"id":"https://openalex.org/S4210218743","display_name":"Science China Information Sciences","issn_l":"1674-733X","issn":["1674-733X","1869-1919"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Science China Information Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1495971627","https://openalex.org/W1499677203","https://openalex.org/W1970970689","https://openalex.org/W1977297987","https://openalex.org/W1982888072","https://openalex.org/W2011041260","https://openalex.org/W2056011345","https://openalex.org/W2072332511","https://openalex.org/W2081360103","https://openalex.org/W2084722065","https://openalex.org/W2093792062","https://openalex.org/W2099046646","https://openalex.org/W2100277732","https://openalex.org/W2104491490","https://openalex.org/W2124592837","https://openalex.org/W2142440858","https://openalex.org/W2145023731","https://openalex.org/W2337120916","https://openalex.org/W4256068510"],"related_works":["https://openalex.org/W2545065926","https://openalex.org/W3093839383","https://openalex.org/W2056066761","https://openalex.org/W2387510934","https://openalex.org/W2015446345","https://openalex.org/W3169126738","https://openalex.org/W2130933797","https://openalex.org/W2305304842","https://openalex.org/W2185255929","https://openalex.org/W1994279415"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}