{"id":"https://openalex.org/W2009906570","doi":"https://doi.org/10.1016/s0734-189x(86)80027-5","title":"Computational-geometric methods for polygonal approximations of a curve","display_name":"Computational-geometric methods for polygonal approximations of a curve","publication_year":1986,"publication_date":"1986-10-01","ids":{"openalex":"https://openalex.org/W2009906570","doi":"https://doi.org/10.1016/s0734-189x(86)80027-5","mag":"2009906570"},"language":"en","primary_location":{"id":"doi:10.1016/s0734-189x(86)80027-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0734-189x(86)80027-5","pdf_url":null,"source":{"id":"https://openalex.org/S4210212310","display_name":"Computer Vision Graphics and Image Processing","issn_l":"0734-189X","issn":["0734-189X","1557-895X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319955","host_organization_name":"Academic Press","host_organization_lineage":["https://openalex.org/P4310319955","https://openalex.org/P4310320990"],"host_organization_lineage_names":["Academic Press","Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Vision, Graphics, and Image Processing","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/A5071671067","display_name":"Hiroshi Imai","orcid":"https://orcid.org/0000-0002-0880-0091"},"institutions":[{"id":"https://openalex.org/I135598925","display_name":"Kyushu University","ror":"https://ror.org/00p4k0j84","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Imai","raw_affiliation_strings":["Department of Computer Science and Communication Engineering, Kyushu University, Hakozaki, Fukuoka 812, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Communication Engineering, Kyushu University, Hakozaki, Fukuoka 812, Japan","institution_ids":["https://openalex.org/I135598925"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079566346","display_name":"Masao Iri","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masao Iri","raw_affiliation_strings":["Department of Mathematical Engineering and Instrumentation Physics, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematical Engineering and Instrumentation Physics, University of Tokyo, Bunkyo-ku, Tokyo 113, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.2124,"has_fulltext":false,"cited_by_count":173,"citation_normalized_percentile":{"value":0.90591398,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"36","issue":"1","first_page":"31","last_page":"41"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9995999932289124,"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":0.9995999932289124,"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/T11106","display_name":"Data Management and Algorithms","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T12698","display_name":"3D Modeling in Geospatial Applications","score":0.9958999752998352,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"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/piecewise","display_name":"Piecewise","score":0.679298996925354},{"id":"https://openalex.org/keywords/piecewise-linear-function","display_name":"Piecewise linear function","score":0.6441870927810669},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.6137225031852722},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5674282312393188},{"id":"https://openalex.org/keywords/computational-geometry","display_name":"Computational geometry","score":0.5533796548843384},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.5525621175765991},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45790836215019226},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.42560291290283203},{"id":"https://openalex.org/keywords/polygonal-chain","display_name":"Polygonal chain","score":0.41931912302970886},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.25668060779571533},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.1034879982471466}],"concepts":[{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.679298996925354},{"id":"https://openalex.org/C17095337","wikidata":"https://www.wikidata.org/wiki/Q2375229","display_name":"Piecewise linear function","level":2,"score":0.6441870927810669},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.6137225031852722},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5674282312393188},{"id":"https://openalex.org/C29123130","wikidata":"https://www.wikidata.org/wiki/Q874709","display_name":"Computational geometry","level":2,"score":0.5533796548843384},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.5525621175765991},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45790836215019226},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.42560291290283203},{"id":"https://openalex.org/C182860218","wikidata":"https://www.wikidata.org/wiki/Q633674","display_name":"Polygonal chain","level":3,"score":0.41931912302970886},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.25668060779571533},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.1034879982471466},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0734-189x(86)80027-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0734-189x(86)80027-5","pdf_url":null,"source":{"id":"https://openalex.org/S4210212310","display_name":"Computer Vision Graphics and Image Processing","issn_l":"0734-189X","issn":["0734-189X","1557-895X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319955","host_organization_name":"Academic Press","host_organization_lineage":["https://openalex.org/P4310319955","https://openalex.org/P4310320990"],"host_organization_lineage_names":["Academic Press","Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Vision, Graphics, and Image Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322832","display_name":"University of Tokyo","ror":"https://ror.org/057zh3y96"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W101345945","https://openalex.org/W179323378","https://openalex.org/W202196004","https://openalex.org/W1998115980","https://openalex.org/W2000946304","https://openalex.org/W2008893187","https://openalex.org/W2025299767","https://openalex.org/W2025306868","https://openalex.org/W2029331355","https://openalex.org/W2043735243","https://openalex.org/W4300559773","https://openalex.org/W4301459590","https://openalex.org/W6607236968","https://openalex.org/W6608213202"],"related_works":["https://openalex.org/W1978042415","https://openalex.org/W2122533959","https://openalex.org/W2204977610","https://openalex.org/W3138620072","https://openalex.org/W2440206734","https://openalex.org/W1491827522","https://openalex.org/W2744475252","https://openalex.org/W2111168435","https://openalex.org/W2155239911","https://openalex.org/W2009906570"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":12}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}