{"id":"https://openalex.org/W2128278416","doi":"https://doi.org/10.1016/0020-0190(93)90025-5","title":"The power of parallel projection","display_name":"The power of parallel projection","publication_year":1993,"publication_date":"1993-06-01","ids":{"openalex":"https://openalex.org/W2128278416","doi":"https://doi.org/10.1016/0020-0190(93)90025-5","mag":"2128278416"},"language":"en","primary_location":{"id":"doi:10.1016/0020-0190(93)90025-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(93)90025-5","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Processing Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://dspace.library.uu.nl/handle/1874/16661","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053874521","display_name":"Marc van Kreveld","orcid":"https://orcid.org/0000-0001-8208-3468"},"institutions":[{"id":"https://openalex.org/I193662353","display_name":"Utrecht University","ror":"https://ror.org/04pp8hn57","country_code":"NL","type":"education","lineage":["https://openalex.org/I193662353"]}],"countries":["NL"],"is_corresponding":true,"raw_author_name":"Marc van Kreveld","raw_affiliation_strings":["Department of Computer Science, University of Utrecht, NL-3508 TB Utrecht, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Utrecht, NL-3508 TB Utrecht, The Netherlands","institution_ids":["https://openalex.org/I193662353"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5053874521"],"corresponding_institution_ids":["https://openalex.org/I193662353"],"apc_list":{"value":2040,"currency":"USD","value_usd":2040},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.23452485,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":"46","issue":"4","first_page":"185","last_page":"191"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T12923","display_name":"Digital Image Processing Techniques","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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9966999888420105,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/linear-subspace","display_name":"Linear subspace","score":0.8614994287490845},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.7298402786254883},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6922347545623779},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.6810117959976196},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6728323698043823},{"id":"https://openalex.org/keywords/simplex","display_name":"Simplex","score":0.6242091655731201},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.5601544380187988},{"id":"https://openalex.org/keywords/linear-space","display_name":"Linear space","score":0.5328875780105591},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.438112735748291},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3321295380592346},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2756730914115906},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.13430097699165344}],"concepts":[{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.8614994287490845},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.7298402786254883},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6922347545623779},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.6810117959976196},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6728323698043823},{"id":"https://openalex.org/C62438384","wikidata":"https://www.wikidata.org/wiki/Q331350","display_name":"Simplex","level":2,"score":0.6242091655731201},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.5601544380187988},{"id":"https://openalex.org/C176370821","wikidata":"https://www.wikidata.org/wiki/Q1826459","display_name":"Linear space","level":2,"score":0.5328875780105591},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.438112735748291},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3321295380592346},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2756730914115906},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.13430097699165344},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/0020-0190(93)90025-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(93)90025-5","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Processing Letters","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.19.1640","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.19.1640","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://archive.cs.uu.nl/pub/RUU/CS/techreps/CS-1992/1992-17.pdf","raw_type":"text"},{"id":"pmh:oai:dspace.library.uu.nl:1874/16661","is_oa":true,"landing_page_url":"https://dspace.library.uu.nl/handle/1874/16661","pdf_url":null,"source":{"id":"https://openalex.org/S4306401649","display_name":"Utrecht University Repository (Utrecht University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193662353","host_organization_name":"Utrecht University","host_organization_lineage":["https://openalex.org/I193662353"],"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":null,"raw_type":"Report"}],"best_oa_location":{"id":"pmh:oai:dspace.library.uu.nl:1874/16661","is_oa":true,"landing_page_url":"https://dspace.library.uu.nl/handle/1874/16661","pdf_url":null,"source":{"id":"https://openalex.org/S4306401649","display_name":"Utrecht University Repository (Utrecht University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I193662353","host_organization_name":"Utrecht University","host_organization_lineage":["https://openalex.org/I193662353"],"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":null,"raw_type":"Report"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1508335833","https://openalex.org/W1964691748","https://openalex.org/W1973880851","https://openalex.org/W1995313500","https://openalex.org/W2005411543","https://openalex.org/W2043615835","https://openalex.org/W2052333483","https://openalex.org/W2053418598","https://openalex.org/W2054927768","https://openalex.org/W2078939351","https://openalex.org/W2083081024","https://openalex.org/W2091440683","https://openalex.org/W2113438075","https://openalex.org/W2113830395","https://openalex.org/W2118076875","https://openalex.org/W2998153687","https://openalex.org/W6630364071","https://openalex.org/W6649150175","https://openalex.org/W6663798877","https://openalex.org/W6667162120","https://openalex.org/W6670369719","https://openalex.org/W6677079915","https://openalex.org/W6772256762"],"related_works":["https://openalex.org/W1995844989","https://openalex.org/W2037681520","https://openalex.org/W2794358477","https://openalex.org/W4379089547","https://openalex.org/W2362982029","https://openalex.org/W2031661112","https://openalex.org/W2143928750","https://openalex.org/W2909303481","https://openalex.org/W2953685757","https://openalex.org/W2089662502"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-08-08T01:25:22.217667","created_date":"2025-10-10T00:00:00"}