{"id":"https://openalex.org/W2062469660","doi":"https://doi.org/10.1109/i2mtc.2013.6555612","title":"Laser spot center location by using the gradient-based and least square algorithms","display_name":"Laser spot center location by using the gradient-based and least square algorithms","publication_year":2013,"publication_date":"2013-05-01","ids":{"openalex":"https://openalex.org/W2062469660","doi":"https://doi.org/10.1109/i2mtc.2013.6555612","mag":"2062469660"},"language":"en","primary_location":{"id":"doi:10.1109/i2mtc.2013.6555612","is_oa":false,"landing_page_url":"https://doi.org/10.1109/i2mtc.2013.6555612","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","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/A5101736394","display_name":"Xin Lei","orcid":"https://orcid.org/0000-0001-6488-3875"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lei Xin","raw_affiliation_strings":["School of Instrumentation and Opto-Electronic Engineering, Key Laboratory of Precision Opto-mechatronics Technology of Ministry of Education, Beihang University, Beijing, China","Sch. o f Instrum. & Opto-Electron. Eng., Beihang Univ., Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Instrumentation and Opto-Electronic Engineering, Key Laboratory of Precision Opto-mechatronics Technology of Ministry of Education, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Sch. o f Instrum. & Opto-Electron. Eng., Beihang Univ., Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043551995","display_name":"Lijun Xu","orcid":"https://orcid.org/0000-0003-0488-9604"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lijun Xu","raw_affiliation_strings":["School of Instrumentation and Opto-Electronic Engineering, Key Laboratory of Precision Opto-mechatronics Technology of Ministry of Education, Beihang University, Beijing, China","Sch. o f Instrum. & Opto-Electron. Eng., Beihang Univ., Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Instrumentation and Opto-Electronic Engineering, Key Laboratory of Precision Opto-mechatronics Technology of Ministry of Education, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Sch. o f Instrum. & Opto-Electron. Eng., Beihang Univ., Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100635854","display_name":"Zhang Cao","orcid":"https://orcid.org/0009-0009-3767-9081"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhang Cao","raw_affiliation_strings":["School of Instrumentation and Opto-Electronic Engineering, Key Laboratory of Precision Opto-mechatronics Technology of Ministry of Education, Beihang University, Beijing, China","Sch. o f Instrum. & Opto-Electron. Eng., Beihang Univ., Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Instrumentation and Opto-Electronic Engineering, Key Laboratory of Precision Opto-mechatronics Technology of Ministry of Education, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]},{"raw_affiliation_string":"Sch. o f Instrum. & Opto-Electron. Eng., Beihang Univ., Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101736394"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.11927033,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1242","last_page":"1245"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14158","display_name":"Optical Systems and Laser Technology","score":0.9983999729156494,"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/T14158","display_name":"Optical Systems and Laser Technology","score":0.9983999729156494,"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/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T10638","display_name":"Optical measurement and interference techniques","score":0.996999979019165,"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/center-of-gravity","display_name":"Center of gravity","score":0.7413179278373718},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.702987015247345},{"id":"https://openalex.org/keywords/square","display_name":"Square (algebra)","score":0.5794710516929626},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.5784586668014526},{"id":"https://openalex.org/keywords/center","display_name":"Center (category theory)","score":0.5440208315849304},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5050824284553528},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3231493830680847},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3221374750137329},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.1694469153881073}],"concepts":[{"id":"https://openalex.org/C132668919","wikidata":"https://www.wikidata.org/wiki/Q1110236","display_name":"Center of gravity","level":2,"score":0.7413179278373718},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.702987015247345},{"id":"https://openalex.org/C135692309","wikidata":"https://www.wikidata.org/wiki/Q111124","display_name":"Square (algebra)","level":2,"score":0.5794710516929626},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.5784586668014526},{"id":"https://openalex.org/C2779463800","wikidata":"https://www.wikidata.org/wiki/Q5062222","display_name":"Center (category theory)","level":2,"score":0.5440208315849304},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5050824284553528},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3231493830680847},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3221374750137329},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.1694469153881073},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/i2mtc.2013.6555612","is_oa":false,"landing_page_url":"https://doi.org/10.1109/i2mtc.2013.6555612","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1871892944","https://openalex.org/W1978021785","https://openalex.org/W1997618261","https://openalex.org/W2079053941","https://openalex.org/W2096889917","https://openalex.org/W2349919698","https://openalex.org/W6649800603","https://openalex.org/W6670099918"],"related_works":["https://openalex.org/W1607154928","https://openalex.org/W2005930910","https://openalex.org/W2963659792","https://openalex.org/W2080397230","https://openalex.org/W2085026217","https://openalex.org/W1981482516","https://openalex.org/W2170802669","https://openalex.org/W2356056792","https://openalex.org/W1516407058","https://openalex.org/W2098796185"],"abstract_inverted_index":{"A":[0],"new":[1],"method":[2,34,66,80,90],"for":[3,95],"laser":[4],"spot":[5],"center":[6,97],"location":[7,98],"by":[8,31,48,105],"using":[9],"the":[10,13,24,28,32,40,42,45,49,57,65,73,78,82,88,96,100,107,110,114],"gradient-based":[11],"and":[12,81,99],"least":[14,115],"square":[15,116],"algorithms":[16],"is":[17,51,91],"introduced":[18],"in":[19,61,68,113],"this":[20,69],"paper.":[21,70],"Compared":[22],"with":[23],"traditional":[25],"gravity-based":[26,83],"algorithm,":[27],"results":[29,58,74],"obtained":[30],"proposed":[33,67,79,89],"are":[35],"of":[36,44,56,72,92,109],"higher":[37,93],"accuracy.":[38],"In":[39],"experiments,":[41],"dimension":[43],"image":[46],"detected":[47],"CCD":[50],"1024\u00d7768.":[52],"The":[53],"relative":[54],"errors":[55],"were":[59,75],"calculated":[60],"order":[62],"to":[63],"validate":[64],"Comparisons":[71],"made":[76],"between":[77],"algorithm.":[84,117],"Results":[85],"show":[86],"that":[87],"accuracy":[94,101],"can":[102],"be":[103],"improved":[104],"increasing":[106],"number":[108],"selected":[111],"points":[112]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
