{"id":"https://openalex.org/W1976891171","doi":"https://doi.org/10.1016/1049-9652(91)90028-i","title":"A piecewise linear approximation method preserving visual feature points of original figures","display_name":"A piecewise linear approximation method preserving visual feature points of original figures","publication_year":1991,"publication_date":"1991-09-01","ids":{"openalex":"https://openalex.org/W1976891171","doi":"https://doi.org/10.1016/1049-9652(91)90028-i","mag":"1976891171"},"language":"en","primary_location":{"id":"doi:10.1016/1049-9652(91)90028-i","is_oa":false,"landing_page_url":"https://doi.org/10.1016/1049-9652(91)90028-i","pdf_url":null,"source":{"id":"https://openalex.org/S2898124066","display_name":"CVGIP Graphical Models and Image Processing","issn_l":"1049-9652","issn":["1049-9652","1557-7643"],"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":"CVGIP: Graphical Models 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/A5090368628","display_name":"Hiroshi Aoyama","orcid":"https://orcid.org/0000-0002-7675-9107"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hiroshi Aoyama","raw_affiliation_strings":["Interactive Interface Systems Section, Intelligent Systems Division, Electrotechnical Laboratory, 1-1-4, Umezono, Tsukiba Science City, Ibaraki 305, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Interactive Interface Systems Section, Intelligent Systems Division, Electrotechnical Laboratory, 1-1-4, Umezono, Tsukiba Science City, Ibaraki 305, Japan","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002141269","display_name":"Masahiro Kawagoe","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Masahiro Kawagoe","raw_affiliation_strings":["Interactive Interface Systems Section, Intelligent Systems Division, Electrotechnical Laboratory, 1-1-4, Umezono, Tsukiba Science City, Ibaraki 305, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Interactive Interface Systems Section, Intelligent Systems Division, Electrotechnical Laboratory, 1-1-4, Umezono, Tsukiba Science City, Ibaraki 305, Japan","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.8431,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.90254777,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"53","issue":"5","first_page":"435","last_page":"446"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9988999962806702,"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"}},"topics":[{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9988999962806702,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9987999796867371,"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.6991242170333862},{"id":"https://openalex.org/keywords/piecewise-linear-function","display_name":"Piecewise linear function","score":0.6594222784042358},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.534455418586731},{"id":"https://openalex.org/keywords/planar","display_name":"Planar","score":0.5313827395439148},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5283045768737793},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.5234179496765137},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4964764714241028},{"id":"https://openalex.org/keywords/linear-approximation","display_name":"Linear approximation","score":0.49542272090911865},{"id":"https://openalex.org/keywords/data-point","display_name":"Data point","score":0.4948703646659851},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4650481939315796},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41016459465026855},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3255015015602112},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.3140191435813904},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.31167009472846985},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.21096831560134888},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.10308444499969482},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07713833451271057}],"concepts":[{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.6991242170333862},{"id":"https://openalex.org/C17095337","wikidata":"https://www.wikidata.org/wiki/Q2375229","display_name":"Piecewise linear function","level":2,"score":0.6594222784042358},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.534455418586731},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.5313827395439148},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5283045768737793},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5234179496765137},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4964764714241028},{"id":"https://openalex.org/C160824197","wikidata":"https://www.wikidata.org/wiki/Q2071054","display_name":"Linear approximation","level":3,"score":0.49542272090911865},{"id":"https://openalex.org/C21080849","wikidata":"https://www.wikidata.org/wiki/Q13611879","display_name":"Data point","level":2,"score":0.4948703646659851},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4650481939315796},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41016459465026855},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3255015015602112},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.3140191435813904},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.31167009472846985},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.21096831560134888},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.10308444499969482},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07713833451271057},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/1049-9652(91)90028-i","is_oa":false,"landing_page_url":"https://doi.org/10.1016/1049-9652(91)90028-i","pdf_url":null,"source":{"id":"https://openalex.org/S2898124066","display_name":"CVGIP Graphical Models and Image Processing","issn_l":"1049-9652","issn":["1049-9652","1557-7643"],"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":"CVGIP: Graphical Models and Image Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4300000071525574,"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":12,"referenced_works":["https://openalex.org/W1981425894","https://openalex.org/W2000946304","https://openalex.org/W2008893187","https://openalex.org/W2031480448","https://openalex.org/W2078996548","https://openalex.org/W2079280466","https://openalex.org/W2122827492","https://openalex.org/W2128165890","https://openalex.org/W2141539035","https://openalex.org/W2155195832","https://openalex.org/W6670352000","https://openalex.org/W6678262356"],"related_works":["https://openalex.org/W3182827720","https://openalex.org/W1596838019","https://openalex.org/W2133947431","https://openalex.org/W2490196280","https://openalex.org/W3208509670","https://openalex.org/W2100864966","https://openalex.org/W2109304297","https://openalex.org/W2083709218","https://openalex.org/W2131136359","https://openalex.org/W1968186255"],"abstract_inverted_index":null,"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-21T06:12:48.119943","created_date":"2025-10-10T00:00:00"}