{"id":"https://openalex.org/W2142821145","doi":"https://doi.org/10.1109/jra.1987.1087146","title":"Segmented descriptions of 3-D surfaces","display_name":"Segmented descriptions of 3-D surfaces","publication_year":1987,"publication_date":"1987-12-01","ids":{"openalex":"https://openalex.org/W2142821145","doi":"https://doi.org/10.1109/jra.1987.1087146","mag":"2142821145"},"language":"en","primary_location":{"id":"doi:10.1109/jra.1987.1087146","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jra.1987.1087146","pdf_url":null,"source":{"id":"https://openalex.org/S105799543","display_name":"IEEE Journal on Robotics and Automation","issn_l":"0882-4967","issn":["0882-4967","2374-8710"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal on Robotics and Automation","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":"https://openalex.org/A5107842694","display_name":"Ting-Jun Fan","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ting-Jun Fan","raw_affiliation_strings":["Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA","University of Southern California,,,Los Angeles,CA,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"University of Southern California,,,Los Angeles,CA,","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006918685","display_name":"G\u00e9rard Medioni","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"G. Medioni","raw_affiliation_strings":["Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA","[Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"[Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA]","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110824423","display_name":"R. Nevatia","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. Nevatia","raw_affiliation_strings":["Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA","[Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"[Institute for Robotics and Intelligent Systems, Departments of Electrical Engineering and Computer Science, University of Southern California, Los Angeles, CA, USA]","institution_ids":["https://openalex.org/I1174212"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1174212"],"apc_list":null,"apc_paid":null,"fwci":73.3663,"has_fulltext":false,"cited_by_count":148,"citation_normalized_percentile":{"value":0.99718394,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"3","issue":"6","first_page":"527","last_page":"538"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9997000098228455,"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":0.9997000098228455,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9987999796867371,"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/T10638","display_name":"Optical measurement and interference techniques","score":0.9984999895095825,"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/principal-curvature","display_name":"Principal curvature","score":0.7737303376197815},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.6684557795524597},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.5520501732826233},{"id":"https://openalex.org/keywords/maxima-and-minima","display_name":"Maxima and minima","score":0.5485450029373169},{"id":"https://openalex.org/keywords/gaussian-curvature","display_name":"Gaussian curvature","score":0.5323982834815979},{"id":"https://openalex.org/keywords/surface","display_name":"Surface (topology)","score":0.5311725735664368},{"id":"https://openalex.org/keywords/ridge","display_name":"Ridge","score":0.46114736795425415},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.4454197585582733},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.43638959527015686},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4268264174461365},{"id":"https://openalex.org/keywords/line-segment","display_name":"Line segment","score":0.4167783558368683},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41440698504447937},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3379215896129608},{"id":"https://openalex.org/keywords/mean-curvature","display_name":"Mean curvature","score":0.3012789189815521},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2971360683441162},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.22356075048446655},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1466999053955078}],"concepts":[{"id":"https://openalex.org/C16977076","wikidata":"https://www.wikidata.org/wiki/Q1589551","display_name":"Principal curvature","level":4,"score":0.7737303376197815},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.6684557795524597},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.5520501732826233},{"id":"https://openalex.org/C186633575","wikidata":"https://www.wikidata.org/wiki/Q845060","display_name":"Maxima and minima","level":2,"score":0.5485450029373169},{"id":"https://openalex.org/C16140857","wikidata":"https://www.wikidata.org/wiki/Q945953","display_name":"Gaussian curvature","level":3,"score":0.5323982834815979},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.5311725735664368},{"id":"https://openalex.org/C32277403","wikidata":"https://www.wikidata.org/wiki/Q740445","display_name":"Ridge","level":2,"score":0.46114736795425415},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.4454197585582733},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.43638959527015686},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4268264174461365},{"id":"https://openalex.org/C182124507","wikidata":"https://www.wikidata.org/wiki/Q166154","display_name":"Line segment","level":2,"score":0.4167783558368683},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41440698504447937},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3379215896129608},{"id":"https://openalex.org/C175017881","wikidata":"https://www.wikidata.org/wiki/Q1318998","display_name":"Mean curvature","level":3,"score":0.3012789189815521},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2971360683441162},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.22356075048446655},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1466999053955078},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"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/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jra.1987.1087146","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jra.1987.1087146","pdf_url":null,"source":{"id":"https://openalex.org/S105799543","display_name":"IEEE Journal on Robotics and Automation","issn_l":"0882-4967","issn":["0882-4967","2374-8710"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal on Robotics and Automation","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.41999998688697815,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W349694116","https://openalex.org/W438700186","https://openalex.org/W1528760644","https://openalex.org/W1634431074","https://openalex.org/W1968775454","https://openalex.org/W1988785119","https://openalex.org/W1991450655","https://openalex.org/W1996773532","https://openalex.org/W2004532924","https://openalex.org/W2006142847","https://openalex.org/W2016546285","https://openalex.org/W2053939793","https://openalex.org/W2071086879","https://openalex.org/W2081519360","https://openalex.org/W2094416863","https://openalex.org/W2095989672","https://openalex.org/W2099088762","https://openalex.org/W2109863423","https://openalex.org/W2133155955","https://openalex.org/W2136186816","https://openalex.org/W2153383646","https://openalex.org/W2163775665","https://openalex.org/W2913090860","https://openalex.org/W4235944870","https://openalex.org/W4237468114","https://openalex.org/W4243873952","https://openalex.org/W4246404318","https://openalex.org/W6611855465","https://openalex.org/W6631690253","https://openalex.org/W6636774598","https://openalex.org/W7062509537"],"related_works":["https://openalex.org/W9778424","https://openalex.org/W1577418607","https://openalex.org/W2029956920","https://openalex.org/W846690687","https://openalex.org/W1988409855","https://openalex.org/W2046982427","https://openalex.org/W4319994258","https://openalex.org/W4361019495","https://openalex.org/W2964229507","https://openalex.org/W2749019058"],"abstract_inverted_index":{"A":[0],"method":[1],"to":[2,31,99,120,142,155,158,183],"segment":[3,143],"and":[4,23,28,53,90,110,129,138,149,195],"describe":[5,32],"visible":[6],"surfaces":[7,18,145],"of":[8,46,55,170,197],"three-dimensional":[9],"(3-D)":[10],"objects":[11],"is":[12,88,92,153,200],"presented":[13],"by":[14],"first":[15],"segmenting":[16],"the":[17,33,44,51,67,74,144,160,171,176],"into":[19,108,115,146],"simple":[20,151],"surface":[21,48,147,152],"patches":[22,27],"then":[24,106],"using":[25,50],"these":[26,111],"their":[29],"boundaries":[30,137],"3-D":[34],"surfaces.":[35],"First,":[36],"distinguished":[37],"points":[38,104],"are":[39,64,77,105,113,140,180],"extracted":[40],"which":[41,118],"will":[42],"comprise":[43],"edges":[45],"segmented":[47],"patches,":[49,148],"zero-crossings":[52],"extrema":[54],"curvature":[56,91],"along":[57],"a":[58,84,150,190],"given":[59,191],"direction.":[60],"Two":[61],"different":[62,116,206],"methods":[63],"used:":[65],"if":[66],"sensor":[68],"provides":[69],"relatively":[70],"noise-free":[71],"range":[72,208],"images,":[73],"principal":[75],"curvatures":[76],"computed":[78,93],"at":[79],"only":[80,166],"one":[81],"resolution,":[82],"otherwise,":[83],"multiple":[85],"scale":[86],"approach":[87,199],"used":[89,141],"in":[94,175],"four":[95],"directions":[96],"45\u00b0":[97],"apart":[98],"facilitate":[100],"interscale":[101],"tracking.":[102],"These":[103,163],"grouped":[107],"curves":[109,112],"classified":[114],"classes":[117],"correspond":[119],"significant":[121],"physical":[122],"properties":[123,173],"such":[124,186],"as":[125,187],"jump":[126,136],"boundaries,":[127],"folds,":[128],"ridge":[130],"lines":[131],"(or":[132],"smooth":[133],"extrema).":[134],"Then":[135],"folds":[139],"fitted":[154],"each":[156],"patch":[157],"reconstruct":[159],"original":[161,177],"objects.":[162],"descriptions":[164],"not":[165],"make":[167],"explicit":[168],"most":[169],"salient":[172],"present":[174],"input,":[178],"but":[179],"more":[181],"suited":[182],"further":[184],"processing,":[185],"matching":[188],"with":[189,205],"model.":[192],"The":[193],"generality":[194],"robustness":[196],"this":[198],"illustrated":[201],"on":[202],"scene":[203],"images":[204],"available":[207],"sensors.":[209]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":7}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
