{"id":"https://openalex.org/W1970709649","doi":"https://doi.org/10.1109/mc.1987.1663658","title":"A CAD System Based on Spherical Dual Representations","display_name":"A CAD System Based on Spherical Dual Representations","publication_year":1987,"publication_date":"1987-08-01","ids":{"openalex":"https://openalex.org/W1970709649","doi":"https://doi.org/10.1109/mc.1987.1663658","mag":"1970709649"},"language":"en","primary_location":{"id":"doi:10.1109/mc.1987.1663658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mc.1987.1663658","pdf_url":null,"source":{"id":"https://openalex.org/S178916657","display_name":"Computer","issn_l":"0018-9162","issn":["0018-9162","1558-0814"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer","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":null,"display_name":"Roach","orcid":null},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Roach","raw_affiliation_strings":["Department of Computer Science, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5097636764","display_name":"Paripati","orcid":null},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Paripati","raw_affiliation_strings":["Virginia Polytechnic Institute and State University, USA"],"affiliations":[{"raw_affiliation_string":"Virginia Polytechnic Institute and State University, USA","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108676821","display_name":"Wright","orcid":null},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wright","raw_affiliation_strings":["Virginia Polytechnic Institute and State University, USA"],"affiliations":[{"raw_affiliation_string":"Virginia Polytechnic Institute and State University, USA","institution_ids":["https://openalex.org/I859038795"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I859038795"],"apc_list":null,"apc_paid":null,"fwci":36.4294,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.99141941,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"20","issue":"8","first_page":"37","last_page":"44"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9977999925613403,"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/T12111","display_name":"Industrial Vision Systems and Defect Detection","score":0.9975000023841858,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cad","display_name":"CAD","score":0.8404482007026672},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.816462516784668},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.6302774548530579},{"id":"https://openalex.org/keywords/computer-aided-design","display_name":"Computer Aided Design","score":0.5492864847183228},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.5287109017372131},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.524316668510437},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46907728910446167},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.4660678207874298},{"id":"https://openalex.org/keywords/solid-modeling","display_name":"Solid modeling","score":0.4570564925670624},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.43516743183135986},{"id":"https://openalex.org/keywords/engineering-drawing","display_name":"Engineering drawing","score":0.3749346137046814},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08724614977836609}],"concepts":[{"id":"https://openalex.org/C194789388","wikidata":"https://www.wikidata.org/wiki/Q17855283","display_name":"CAD","level":2,"score":0.8404482007026672},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.816462516784668},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.6302774548530579},{"id":"https://openalex.org/C119823426","wikidata":"https://www.wikidata.org/wiki/Q184793","display_name":"Computer Aided Design","level":2,"score":0.5492864847183228},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.5287109017372131},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.524316668510437},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46907728910446167},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.4660678207874298},{"id":"https://openalex.org/C108882727","wikidata":"https://www.wikidata.org/wiki/Q2991685","display_name":"Solid modeling","level":2,"score":0.4570564925670624},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.43516743183135986},{"id":"https://openalex.org/C199639397","wikidata":"https://www.wikidata.org/wiki/Q1788588","display_name":"Engineering drawing","level":1,"score":0.3749346137046814},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08724614977836609},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mc.1987.1663658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mc.1987.1663658","pdf_url":null,"source":{"id":"https://openalex.org/S178916657","display_name":"Computer","issn_l":"0018-9162","issn":["0018-9162","1558-0814"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6899999976158142,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320310145","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1567472027","https://openalex.org/W1987647724","https://openalex.org/W2006988596","https://openalex.org/W2028623339","https://openalex.org/W2078948654","https://openalex.org/W2081280922","https://openalex.org/W2108880050","https://openalex.org/W2137788315","https://openalex.org/W2167862746","https://openalex.org/W2768364248"],"related_works":["https://openalex.org/W625186032","https://openalex.org/W3138375902","https://openalex.org/W2315696258","https://openalex.org/W3165919579","https://openalex.org/W3180209133","https://openalex.org/W1591835233","https://openalex.org/W2008715782","https://openalex.org/W2199025291","https://openalex.org/W2340811394","https://openalex.org/W2766742654"],"abstract_inverted_index":{"Computer-aided":[0],"design":[1],"(CAD)":[2],"systems":[3],"typically":[4],"have":[5],"many":[6],"different":[7],"functions:":[8],"drafting,":[9],"two-dimensional":[10],"modeling,":[11,13],"three-dimensional":[12],"finite":[14],"element":[15],"analysis,":[16],"and":[17,19,64,104,111,125,128,138],"fit":[18],"tolerancing":[20],"of":[21,29,47,98,143],"parts.":[22],"The":[23],"authors":[24],"report":[25],"on":[26,34,68],"the":[27,40,45,54,69,144],"construction":[28],"a":[30,61,79,86,91,96,109,132,153],"CAD":[31,63],"system":[32,66,83,114,133],"based":[33,67],"shape":[35,46],"representation":[36],"ideas":[37],"used":[38,107],"in":[39,108],"vision":[41,110],"community":[42],"to":[43,59,121,151],"determine":[44,126],"an":[48,117],"object":[49,72],"from":[50,77],"its":[51,105],"image.":[52],"In":[53,90],"long":[55],"term,":[56],"they":[57],"propose":[58],"construct":[60],"combined":[62],"sensing":[65,113],"same":[70],"underlying":[71],"models.":[73],"Considerable":[74],"advantages":[75],"follow":[76],"building":[78],"model-driven":[80],"sensor":[81],"fusion":[82],"that":[84,148],"uses":[85],"common":[87],"geometric":[88],"model.":[89],"manufacturing":[92],"environment,":[93],"for":[94],"example,":[95],"library":[97],"objects":[99,124],"can":[100],"be":[101,135,159],"built":[102],"up":[103],"models":[106],"touch":[112],"integrated":[115],"into":[116],"automated":[118,156],"assembly":[119],"line":[120],"discriminate":[122],"between":[123],"orientation":[127],"distance.":[129],"If":[130],"such":[131],"could":[134],"made":[136],"robust":[137],"highly":[139],"reliable,":[140],"then":[141],"some":[142],"most":[145],"difficult":[146],"problems":[147],"plague":[149],"attempts":[150],"create":[152],"fully":[154],"flexible":[155],"environment":[157],"would":[158],"solved.":[160]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}