{"id":"https://openalex.org/W7225818629","doi":"https://doi.org/10.3390/opt7060076","title":"Topology-Constrained Stereo Correspondence for Dot-Matrix Structured Light with Calibration-Disparity-Guided Local Search","display_name":"Topology-Constrained Stereo Correspondence for Dot-Matrix Structured Light with Calibration-Disparity-Guided Local Search","publication_year":2026,"publication_date":"2026-11-11","ids":{"openalex":"https://openalex.org/W7225818629","doi":"https://doi.org/10.3390/opt7060076"},"language":"en","primary_location":{"id":"doi:10.3390/opt7060076","doi":"https://doi.org/10.3390/opt7060076","is_oa":true,"landing_page_url":"https://doi.org/10.3390/opt7060076","pdf_url":null,"source":{"id":"https://openalex.org/S4210227639","display_name":"Optics","issn_l":"2673-3269","issn":["2673-3269"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.3390/opt7060076","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5123995102","display_name":"Rongliang Zhu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I187175081","display_name":"Shaanxi University of Technology","ror":"https://ror.org/056m91h77","country_code":"CN","type":"education","lineage":["https://openalex.org/I187175081"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rongliang Zhu","raw_affiliation_strings":["School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]},{"raw_affiliation_string":"Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159926776","display_name":"Qiang Liu","orcid":"https://orcid.org/0009-0001-1049-6746","observed_orcids":["https://orcid.org/0009-0001-1049-6746"]},"institutions":[{"id":"https://openalex.org/I187175081","display_name":"Shaanxi University of Technology","ror":"https://ror.org/056m91h77","country_code":"CN","type":"education","lineage":["https://openalex.org/I187175081"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qiang Liu","raw_affiliation_strings":["School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]},{"raw_affiliation_string":"Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161442077","display_name":"Manlong Chen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I187175081","display_name":"Shaanxi University of Technology","ror":"https://ror.org/056m91h77","country_code":"CN","type":"education","lineage":["https://openalex.org/I187175081"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Manlong Chen","raw_affiliation_strings":["School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]},{"raw_affiliation_string":"Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161494012","display_name":"Lan Yang","orcid":"https://orcid.org/0009-0007-2744-5201","observed_orcids":["https://orcid.org/0009-0007-2744-5201"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lan Yang","raw_affiliation_strings":["Shaanxi Qinzhou Nuclear and Radiation Safety Technonloy Co., Ltd., Xi\u2019an 712000, China"],"raw_orcid":"https://orcid.org/0009-0007-2744-5201","affiliations":[{"raw_affiliation_string":"Shaanxi Qinzhou Nuclear and Radiation Safety Technonloy Co., Ltd., Xi\u2019an 712000, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121552329","display_name":"Guorui Zhao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I187175081","display_name":"Shaanxi University of Technology","ror":"https://ror.org/056m91h77","country_code":"CN","type":"education","lineage":["https://openalex.org/I187175081"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guorui Zhao","raw_affiliation_strings":["School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]},{"raw_affiliation_string":"Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161487930","display_name":"Tianhao Wu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I187175081","display_name":"Shaanxi University of Technology","ror":"https://ror.org/056m91h77","country_code":"CN","type":"education","lineage":["https://openalex.org/I187175081"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianhao Wu","raw_affiliation_strings":["School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]},{"raw_affiliation_string":"Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5159186994","display_name":"Fengshuo Yang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I187175081","display_name":"Shaanxi University of Technology","ror":"https://ror.org/056m91h77","country_code":"CN","type":"education","lineage":["https://openalex.org/I187175081"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fengshuo Yang","raw_affiliation_strings":["School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]},{"raw_affiliation_string":"Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong 723000, China","institution_ids":["https://openalex.org/I187175081"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5159926776"],"corresponding_institution_ids":["https://openalex.org/I187175081"],"apc_list":{"value":1200,"currency":"CHF","value_usd":1448},"apc_paid":{"value":1200,"currency":"CHF","value_usd":1448},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":"6","first_page":"76","last_page":"76"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10638","display_name":"Optical measurement and interference techniques","score":0.9901999831199646,"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/T10638","display_name":"Optical measurement and interference techniques","score":0.9901999831199646,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.008299999870359898,"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/T11211","display_name":"3D Surveying and Cultural Heritage","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6430000066757202},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6098999977111816},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5952000021934509},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.5859000086784363},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.5307000279426575},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.45750001072883606},{"id":"https://openalex.org/C2781204021","wikidata":"https://www.wikidata.org/wiki/Q6497091","display_name":"Lattice (music)","level":2,"score":0.43560001254081726},{"id":"https://openalex.org/C193581530","wikidata":"https://www.wikidata.org/wiki/Q683778","display_name":"Structured light","level":2,"score":0.4092999994754791},{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.40149998664855957},{"id":"https://openalex.org/C68537008","wikidata":"https://www.wikidata.org/wiki/Q247932","display_name":"Stereopsis","level":2,"score":0.36640000343322754},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3596000075340271},{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.34200000762939453},{"id":"https://openalex.org/C3004257","wikidata":"https://www.wikidata.org/wiki/Q17084606","display_name":"Correspondence problem","level":2,"score":0.3334999978542328},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.32100000977516174},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3199000060558319},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.3174000084400177},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3167000114917755},{"id":"https://openalex.org/C5339829","wikidata":"https://www.wikidata.org/wiki/Q1425977","display_name":"Machine vision","level":2,"score":0.2849000096321106},{"id":"https://openalex.org/C80551277","wikidata":"https://www.wikidata.org/wiki/Q11210","display_name":"Coordinate system","level":2,"score":0.2842999994754791},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.2840000092983246},{"id":"https://openalex.org/C90790637","wikidata":"https://www.wikidata.org/wiki/Q11681118","display_name":"Binocular disparity","level":3,"score":0.271699994802475},{"id":"https://openalex.org/C43173174","wikidata":"https://www.wikidata.org/wiki/Q2646942","display_name":"Regular grid","level":3,"score":0.26930001378059387},{"id":"https://openalex.org/C31451488","wikidata":"https://www.wikidata.org/wiki/Q5157586","display_name":"Computer stereo vision","level":3,"score":0.2556000053882599},{"id":"https://openalex.org/C20885615","wikidata":"https://www.wikidata.org/wiki/Q825595","display_name":"Surface reconstruction","level":3,"score":0.2547000050544739},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.2533999979496002}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3390/opt7060076","doi":"https://doi.org/10.3390/opt7060076","is_oa":true,"landing_page_url":"https://doi.org/10.3390/opt7060076","pdf_url":null,"source":{"id":"https://openalex.org/S4210227639","display_name":"Optics","issn_l":"2673-3269","issn":["2673-3269"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.3390/opt7060076","doi":"https://doi.org/10.3390/opt7060076","is_oa":true,"landing_page_url":"https://doi.org/10.3390/opt7060076","pdf_url":null,"source":{"id":"https://openalex.org/S4210227639","display_name":"Optics","issn_l":"2673-3269","issn":["2673-3269"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Binocular":[0],"vision":[1],"is":[2,51,73],"widely":[3],"used":[4,75],"in":[5,53,83,115],"structured-light":[6,234],"three-dimensional":[7],"measurement":[8],"and":[9,62,122,153,160,187,202,227],"industrial":[10],"inspection.":[11],"However,":[12],"reliable":[13],"stereo":[14,71,96,224],"correspondence":[15,38,78,205,225],"for":[16,231],"repeated":[17,232],"dot-matrix":[18,233],"patterns":[19],"remains":[20],"challenging":[21],"because":[22],"neighboring":[23,91],"dots":[24],"are":[25],"visually":[26],"similar.":[27],"To":[28],"address":[29],"this":[30,32],"problem,":[31],"study":[33,179],"proposes":[34],"a":[35,125,131,196],"topology-constrained":[36],"binocular":[37],"method":[39,109,143],"integrating":[40,216],"ordered":[41,49,217],"grid":[42,185],"localization":[43],"with":[44,130,195,219],"calibration-disparity-guided":[45],"local":[46,81,188,221],"search.":[47],"An":[48],"lattice":[50,113,204],"constructed":[52],"the":[54,84,107,136,141,145,156,166,181],"right":[55],"view":[56],"to":[57,76,80],"provide":[58],"refined":[59],"dot":[60],"locations":[61],"consistent":[63],"spatial":[64],"indices.":[65],"A":[66,176],"fixed":[67,138],"disparity":[68,139],"derived":[69],"from":[70,100],"calibration":[72],"then":[74],"restrict":[77],"search":[79,222],"regions":[82],"rectified":[85],"left":[86],"view,":[87],"reducing":[88,165],"ambiguity":[89],"among":[90],"dots.":[92],"Experiments":[93],"on":[94,155,173],"20":[95],"image":[97,210],"pairs":[98],"acquired":[99],"two":[101],"stationary":[102],"planar":[103,228],"surfaces":[104],"showed":[105,192],"that":[106,215],"proposed":[108,142],"recovered":[110],"all":[111],"121":[112],"points":[114],"every":[116],"acquisition,":[117],"achieving":[118],"100%":[119],"precision,":[120],"recall,":[121],"F1":[123],"under":[124],"topology-derived":[126],"reference-label":[127],"protocol.":[128],"Compared":[129],"calibration-disparity":[132],"global":[133],"baseline":[134],"using":[135],"same":[137],"prior,":[140],"reduced":[144],"mean":[146,167],"least-squares-plane":[147],"residual":[148,168],"standard":[149],"deviation":[150],"by":[151,171],"95.1%":[152],"95.7%":[154],"gray":[157],"metal":[158],"surface":[159],"white":[161],"board,":[162],"respectively,":[163],"while":[164],"peak-to-valley":[169],"value":[170],"94.5%":[172],"both":[174],"surfaces.":[175],"controlled":[177],"component":[178],"confirmed":[180],"complementary":[182],"contributions":[183],"of":[184],"constraints":[186],"association.":[189],"Additional":[190],"evaluations":[191],"closer":[193],"agreement":[194],"screened":[197],"coordinate":[198],"measuring":[199],"machine":[200],"reference":[201],"complete":[203],"recovery":[206],"at":[207],"50%":[208],"linear":[209],"resolution.":[211],"These":[212],"results":[213],"demonstrate":[214],"topology":[218],"calibration-guided":[220],"improves":[223],"reliability":[226],"reconstruction":[229],"consistency":[230],"patterns.":[235]},"counts_by_year":[],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2026-11-12T00:00:00"}