{"id":"https://openalex.org/W122897039","doi":null,"title":"DEVELOPMENT OF A LOW-COST VISION SYSTEM FOR FINDING CONTOUR AND SURFACE DEFECTS ON CAST IRON ENGINE COMPONENTS","display_name":"DEVELOPMENT OF A LOW-COST VISION SYSTEM FOR FINDING CONTOUR AND SURFACE DEFECTS ON CAST IRON ENGINE COMPONENTS","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W122897039","mag":"122897039"},"language":"en","primary_location":{"id":"pmh:oai:DiVA.org:kth-147576","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147576","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86987016","host_organization_name":"KTH Royal Institute of Technology","host_organization_lineage":["https://openalex.org/I86987016"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/bachelorThesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147576","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5011479380","display_name":"Alex Kiviorg","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Alex Kiviorg","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5011479380"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"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/T12111","display_name":"Industrial Vision Systems and Defect Detection","score":0.9994999766349792,"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":0.9994999766349792,"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/T12169","display_name":"Non-Destructive Testing Techniques","score":0.0003000000142492354,"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/T12549","display_name":"Image and Object Detection Techniques","score":9.999999747378752e-05,"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/cast-iron-components","display_name":"cast iron components","score":0.7059999704360962},{"id":"https://openalex.org/keywords/surface-defect-detection","display_name":"surface defect detection","score":0.6690000295639038},{"id":"https://openalex.org/keywords/gas-porosity","display_name":"gas porosity","score":0.8560000061988831},{"id":"https://openalex.org/keywords/molding-defects","display_name":"molding defects","score":0.7680000066757202},{"id":"https://openalex.org/keywords/automated-quality-inspection","display_name":"automated quality inspection","score":0.718999981880188},{"id":"https://openalex.org/keywords/canny-edge-detection","display_name":"Canny edge detection","score":0.8970000147819519},{"id":"https://openalex.org/keywords/dynamic-masking","display_name":"dynamic masking","score":0.8920000195503235},{"id":"https://openalex.org/keywords/morphological-processing","display_name":"morphological processing","score":0.9860000014305115},{"id":"https://openalex.org/keywords/template-matching","display_name":"template matching","score":0.6610000133514404},{"id":"https://openalex.org/keywords/low-cost-inspection-system","display_name":"low-cost inspection system","score":0.7419999837875366},{"id":"https://openalex.org/keywords/engine-components","display_name":"engine components","score":0.44600000977516174}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6722333431243896},{"id":"https://openalex.org/C5339829","wikidata":"https://www.wikidata.org/wiki/Q1425977","display_name":"Machine vision","level":2,"score":0.5819758176803589},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5771879553794861},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5043023824691772},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.4742409586906433},{"id":"https://openalex.org/C199639397","wikidata":"https://www.wikidata.org/wiki/Q1788588","display_name":"Engineering drawing","level":1,"score":0.4166221022605896},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.33423370122909546},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3069383203983307}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:DiVA.org:kth-147576","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147576","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86987016","host_organization_name":"KTH Royal Institute of Technology","host_organization_lineage":["https://openalex.org/I86987016"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/bachelorThesis"},{"id":"mag:122897039","doi":null,"is_oa":false,"landing_page_url":"http://kth.diva-portal.org/smash/get/diva2:730786/FULLTEXT01","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:DiVA.org:kth-147576","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147576","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86987016","host_organization_name":"KTH Royal Institute of Technology","host_organization_lineage":["https://openalex.org/I86987016"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/bachelorThesis"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W57784613","https://openalex.org/W1533162639","https://openalex.org/W1600806174","https://openalex.org/W2032226221","https://openalex.org/W2084575832","https://openalex.org/W2091250708","https://openalex.org/W2119605622","https://openalex.org/W2151103935"],"related_works":["https://openalex.org/W2185356509","https://openalex.org/W2771740438","https://openalex.org/W2184038846","https://openalex.org/W2184981450","https://openalex.org/W2248567823","https://openalex.org/W2177249270","https://openalex.org/W4382542958","https://openalex.org/W1968253803","https://openalex.org/W1969005177","https://openalex.org/W2030592307"],"abstract_inverted_index":{"The":[0,23,51,142,181,287],"thesis":[1],"aims":[2],"to":[3,27,42,117,202,216,243,281,303],"develop":[4],"an":[5,33,38,240],"image":[6,109],"processing":[7,110,201],"algorithm":[8,89,155,182],"for":[9,14,37,188,259,316],"a":[10,65,134,151,172,273],"2D":[11],"vision":[12],"system":[13,24],"quality":[15,49,176],"inspection":[16,241],"of":[17,47,80,94,98,137,196,219,254,293,297,318],"cast":[18],"iron":[19],"components":[20],"(size":[21],"250x190x120mm).":[22],"is":[25,213,247,276],"designed":[26],"be":[28,32,282],"low":[29],"cost":[30],"and":[31,59,62,73,114,131,199,206,211,237,264,269,307,322],"easily":[34],"implementable":[35],"solution":[36],"existing":[39],"production":[40,162],"line":[41,163],"complement":[43],"or":[44,249],"replace":[45],"part":[46,224,246,256],"manual":[48],"inspection.":[50],"defects":[52,99,233],"are":[53,234,257,314],"mainly":[54],"caused":[55,261],"by":[56,262],"gas":[57],"porosity":[58,263],"molding":[60],"errors":[61],"can":[63],"have":[64],"very":[66,95],"different":[67,96],"nature":[68],"starting":[69],"from":[70],"small":[71,135],"cavities":[72],"chipped":[74],"edges":[75,205],"ending":[76],"with":[77,175,193,239,272],"large":[78],"portions":[79],"missing":[81],"material.":[82],"Thus,":[83],"the":[84,88,169,190,223,252,255,277,295,304,319],"methods":[85,111,125,145],"used":[86],"in":[87,105,129,284,291,299,311],"must":[90],"guarantee":[91],"successful":[92],"detection":[93,186],"types":[97],"while":[100],"handling":[101],"natural":[102,309],"shape":[103,306],"deviations":[104,260,298],"contours.":[106,208,312],"Several":[107],"known":[108],"were":[112,126,146],"tested":[113,132,159],"further":[115,148],"developed":[116,149],"fit":[118],"this":[119],"specific":[120],"application.":[121],"First,":[122],"suitable":[123],"candidate":[124],"selected,":[127],"implemented":[128],"MATLAB\u00ae":[130],"on":[133,160,222],"set":[136],"manually":[138],"taken":[139],"test":[140],"images.":[141],"best":[143],"performing":[144],"then":[147,158,214,235],"into":[150],"fully":[152],"functional":[153],"beta":[154],"that":[156,279],"was":[157,178],"real":[161],"using":[164],"prototype":[165],"hardware.":[166],"To":[167],"understand":[168],"system\u2019s":[170,320],"capabilities":[171],"blind":[173],"experiment":[174],"inspectors":[177],"carried":[179],"out.":[180],"uses":[183],"Canny":[184],"edge":[185],"operator":[187],"obtaining":[189],"contours":[191,253],"together":[192],"several":[194],"stages":[195],"dynamic":[197],"masking":[198],"morphological":[200],"eliminate":[203,217],"false":[204],"non-important":[207],"Intensity":[209],"mapping":[210],"filtering":[212],"applied":[215],"traces":[218],"cutting":[220],"fluid":[221],"as":[225,227],"well":[226],"occasional":[228],"high-contrast":[229],"milling":[230],"marks.":[231],"Surface":[232],"measured":[236],"compared":[238],"standard":[242],"decide":[244],"if":[245],"approved":[248],"not.":[250],"Thereafter":[251],"checked":[258],"damaged":[265],"molds.":[266],"Shape":[267],"signatures":[268],"segment-wise":[270],"alignment":[271],"template":[274],"signature":[275],"method":[278,288],"proved":[280],"sufficient":[283],"most":[285],"cases.":[286],"has":[289],"shortcomings":[290],"terms":[292],"determining":[294],"size":[296],"certain":[300],"segments":[301],"due":[302],"complex":[305],"significant":[308],"variations":[310],"Ideas":[313],"proposed":[315],"improvement":[317],"accuracy":[321],"robustness.":[323]},"counts_by_year":[],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2016-06-24T00:00:00"}
