{"id":"https://openalex.org/W2058147319","doi":"https://doi.org/10.1117/12.2030791","title":"Algorithm of semicircular laser spot detection based on circle fitting","display_name":"Algorithm of semicircular laser spot detection based on circle fitting","publication_year":2013,"publication_date":"2013-07-19","ids":{"openalex":"https://openalex.org/W2058147319","doi":"https://doi.org/10.1117/12.2030791","mag":"2058147319"},"language":"en","primary_location":{"id":"doi:10.1117/12.2030791","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2030791","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},"type":"conference-paper","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":null,"display_name":"Zhengzhou Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210144662","display_name":"Xi'an Institute of Optics and Precision Mechanics","ror":"https://ror.org/0444j5556","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210144662"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengzhou Wang","raw_affiliation_strings":["Univ. of Chinese Academy of Sciences (China)","Xi'an Institute of Optics and Precision Mechanics (China)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Chinese Academy of Sciences (China)","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Xi'an Institute of Optics and Precision Mechanics (China)","institution_ids":["https://openalex.org/I4210144662"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103252485","display_name":"Ruihua Xu","orcid":"https://orcid.org/0000-0001-8157-0619"},"institutions":[{"id":"https://openalex.org/I4210144662","display_name":"Xi'an Institute of Optics and Precision Mechanics","ror":"https://ror.org/0444j5556","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210144662"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruihua Xu","raw_affiliation_strings":["Univ. of Chinese Academy of Sciences (China)","Xi'an Institute of Optics and Precision Mechanics (China)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Univ. of Chinese Academy of Sciences (China)","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Xi'an Institute of Optics and Precision Mechanics (China)","institution_ids":["https://openalex.org/I4210144662"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003856741","display_name":"Bingliang Hu","orcid":"https://orcid.org/0000-0003-3216-5013"},"institutions":[{"id":"https://openalex.org/I4210144662","display_name":"Xi'an Institute of Optics and Precision Mechanics","ror":"https://ror.org/0444j5556","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210144662"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bingliang Hu","raw_affiliation_strings":["Xi'an Institute of Optics and Precision Mechanics (China)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Xi'an Institute of Optics and Precision Mechanics (China)","institution_ids":["https://openalex.org/I4210144662"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.16542433,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"8878","issue":null,"first_page":"88782Z","last_page":"88782Z"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12549","display_name":"Image and Object Detection Techniques","score":0.9943000078201294,"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"}},"topics":[{"id":"https://openalex.org/T12549","display_name":"Image and Object Detection Techniques","score":0.9943000078201294,"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/T11583","display_name":"Advanced Measurement and Metrology Techniques","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T14158","display_name":"Optical Systems and Laser Technology","score":0.9732000231742859,"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/laser","display_name":"Laser","score":0.6601210236549377},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5834022164344788},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5302726030349731},{"id":"https://openalex.org/keywords/center-of-gravity","display_name":"Center of gravity","score":0.5091399550437927},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4791390597820282},{"id":"https://openalex.org/keywords/edge-detection","display_name":"Edge detection","score":0.444979727268219},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.442646861076355},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4188109040260315},{"id":"https://openalex.org/keywords/bright-spot","display_name":"Bright spot","score":0.4110988676548004},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.31370243430137634},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.25615546107292175},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.24477654695510864}],"concepts":[{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.6601210236549377},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5834022164344788},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5302726030349731},{"id":"https://openalex.org/C132668919","wikidata":"https://www.wikidata.org/wiki/Q1110236","display_name":"Center of gravity","level":2,"score":0.5091399550437927},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4791390597820282},{"id":"https://openalex.org/C193536780","wikidata":"https://www.wikidata.org/wiki/Q1513153","display_name":"Edge detection","level":4,"score":0.444979727268219},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.442646861076355},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4188109040260315},{"id":"https://openalex.org/C93103189","wikidata":"https://www.wikidata.org/wiki/Q4967508","display_name":"Bright spot","level":2,"score":0.4110988676548004},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.31370243430137634},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.25615546107292175},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24477654695510864},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2030791","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2030791","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.6399999856948853}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2028037572","https://openalex.org/W2315652488","https://openalex.org/W2039365229","https://openalex.org/W2145843506","https://openalex.org/W2379089757","https://openalex.org/W2056407677","https://openalex.org/W3035059915","https://openalex.org/W4293054829","https://openalex.org/W2128085731","https://openalex.org/W2551441443"],"abstract_inverted_index":{"In":[0],"order":[1],"to":[2,121],"obtain":[3],"the":[4,39,69,79,86,93,96,102,109,119,130,133],"exact":[5],"center":[6,128],"of":[7,32,41,47,95,118,132],"an":[8],"asymmetrical":[9,123],"and":[10,55,60,78,124],"semicircular":[11,125],"aperture":[12],"laser":[13,18,33,48,112,126],"spot,":[14],"a":[15],"method":[16,21,40,97,105,120],"for":[17],"spot":[19,34,49,127],"detection":[20],"based":[22],"on":[23],"circle":[24,71],"fitting":[25,77],"was":[26,36,50,73,83],"proposed":[27],"in":[28,52,85,108],"this":[29],"paper,":[30],"threshold":[31],"image":[35],"segmented":[37],"by":[38,66,75],"gray":[42],"morphology":[43],"algorithm,":[44],"rough":[45],"edge":[46,62],"detected":[51],"both":[53],"vertical":[54],"horizontal":[56],"direction,":[57],"short":[58],"arcs":[59],"isolated":[61],"points":[63],"were":[64],"deleted":[65],"contour":[67,72],"growing,":[68],"best":[70],"obtained":[74],"iterative":[76],"final":[80],"standard":[81],"round":[82],"fitted":[84],"end.":[87],"The":[88,116],"experimental":[89],"results":[90],"show":[91],"that":[92],"precision":[94],"is":[98],"obviously":[99],"better":[100],"than":[101],"gravity":[103],"model":[104],"being":[106],"used":[107],"traditional":[110],"large":[111],"automatic":[113],"alignment":[114],"system.":[115,134],"accuracy":[117],"achieve":[122],"meets":[129],"requirements":[131]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":3}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}