{"id":"https://openalex.org/W3016735905","doi":"https://doi.org/10.3390/ijgi9040251","title":"A Vector Line Simplification Algorithm Based on the Douglas\u2013Peucker Algorithm, Monotonic Chains and Dichotomy","display_name":"A Vector Line Simplification Algorithm Based on the Douglas\u2013Peucker Algorithm, Monotonic Chains and Dichotomy","publication_year":2020,"publication_date":"2020-04-17","ids":{"openalex":"https://openalex.org/W3016735905","doi":"https://doi.org/10.3390/ijgi9040251","mag":"3016735905"},"language":"en","primary_location":{"id":"doi:10.3390/ijgi9040251","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9040251","pdf_url":"https://www.mdpi.com/2220-9964/9/4/251/pdf?version=1587979100","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2220-9964/9/4/251/pdf?version=1587979100","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100461743","display_name":"Bo Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210119674","display_name":"East China University of Technology","ror":"https://ror.org/027385r44","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210119674"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Liu","raw_affiliation_strings":["Faculty of Geomatics, East China University of Technology, 418# Guanglan Road, Nanchang 330013, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geomatics, East China University of Technology, 418# Guanglan Road, Nanchang 330013, China","institution_ids":["https://openalex.org/I4210119674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101790555","display_name":"Xuechao Liu","orcid":"https://orcid.org/0000-0002-0358-0683"},"institutions":[{"id":"https://openalex.org/I4210119674","display_name":"East China University of Technology","ror":"https://ror.org/027385r44","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210119674"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuechao Liu","raw_affiliation_strings":["Faculty of Geomatics, East China University of Technology, 418# Guanglan Road, Nanchang 330013, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geomatics, East China University of Technology, 418# Guanglan Road, Nanchang 330013, China","institution_ids":["https://openalex.org/I4210119674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108866505","display_name":"Dajun Li","orcid":null},"institutions":[{"id":"https://openalex.org/I4210119674","display_name":"East China University of Technology","ror":"https://ror.org/027385r44","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210119674"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Dajun Li","raw_affiliation_strings":["Faculty of Geomatics, East China University of Technology, 418# Guanglan Road, Nanchang 330013, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geomatics, East China University of Technology, 418# Guanglan Road, Nanchang 330013, China","institution_ids":["https://openalex.org/I4210119674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101958108","display_name":"Yu Shi","orcid":"https://orcid.org/0000-0002-6352-3963"},"institutions":[{"id":"https://openalex.org/I4210119674","display_name":"East China University of Technology","ror":"https://ror.org/027385r44","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210119674"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Shi","raw_affiliation_strings":["Faculty of Geomatics, East China University of Technology, 418# Guanglan Road, Nanchang 330013, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geomatics, East China University of Technology, 418# Guanglan Road, Nanchang 330013, China","institution_ids":["https://openalex.org/I4210119674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049632089","display_name":"Gabriela Fernandez","orcid":"https://orcid.org/0000-0002-7271-0250"},"institutions":[{"id":"https://openalex.org/I26538001","display_name":"San Diego State University","ror":"https://ror.org/0264fdx42","country_code":"US","type":"education","lineage":["https://openalex.org/I26538001"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gabriela Fernandez","raw_affiliation_strings":["Department of Geography, Center for Human Dynamics in the Mobile Age (HDMA), San Diego State University, 5500 Campanile Drive, San Diego, CA 92182-4493, USA"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Center for Human Dynamics in the Mobile Age (HDMA), San Diego State University, 5500 Campanile Drive, San Diego, CA 92182-4493, USA","institution_ids":["https://openalex.org/I26538001"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101769777","display_name":"Yandong Wang","orcid":"https://orcid.org/0000-0002-1299-7296"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yandong Wang","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129# Luoyu Road, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129# Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5101769777","https://openalex.org/A5108866505"],"corresponding_institution_ids":["https://openalex.org/I37461747","https://openalex.org/I4210118728","https://openalex.org/I4210119674"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":0.9521,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.71354454,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":"4","first_page":"251","last_page":"251"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10757","display_name":"Geographic Information Systems Studies","score":0.98089998960495,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13282","display_name":"Automated Road and Building Extraction","score":0.9799000024795532,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/algorithm","display_name":"Algorithm","score":0.8547176122665405},{"id":"https://openalex.org/keywords/monotonic-function","display_name":"Monotonic function","score":0.8045611381530762},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.7218973636627197},{"id":"https://openalex.org/keywords/ramer\u2013douglas\u2013peucker-algorithm","display_name":"Ramer\u2013Douglas\u2013Peucker algorithm","score":0.7077245712280273},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.47643786668777466},{"id":"https://openalex.org/keywords/star","display_name":"Star (game theory)","score":0.4525134861469269},{"id":"https://openalex.org/keywords/difference-map-algorithm","display_name":"Difference-map algorithm","score":0.44257649779319763},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41109979152679443},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.39999887347221375}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.8547176122665405},{"id":"https://openalex.org/C72169020","wikidata":"https://www.wikidata.org/wiki/Q194404","display_name":"Monotonic function","level":2,"score":0.8045611381530762},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.7218973636627197},{"id":"https://openalex.org/C75930677","wikidata":"https://www.wikidata.org/wiki/Q1251950","display_name":"Ramer\u2013Douglas\u2013Peucker algorithm","level":3,"score":0.7077245712280273},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.47643786668777466},{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.4525134861469269},{"id":"https://openalex.org/C3561768","wikidata":"https://www.wikidata.org/wiki/Q5275267","display_name":"Difference-map algorithm","level":2,"score":0.44257649779319763},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41109979152679443},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.39999887347221375},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"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/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/ijgi9040251","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9040251","pdf_url":"https://www.mdpi.com/2220-9964/9/4/251/pdf?version=1587979100","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:82a1da0ad502436aaec0a55ae34d6772","is_oa":true,"landing_page_url":"https://doaj.org/article/82a1da0ad502436aaec0a55ae34d6772","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISPRS International Journal of Geo-Information, Vol 9, Iss 4, p 251 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2220-9964/9/4/251/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/ijgi9040251","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/ijgi9040251","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijgi9040251","pdf_url":"https://www.mdpi.com/2220-9964/9/4/251/pdf?version=1587979100","source":{"id":"https://openalex.org/S2764431341","display_name":"ISPRS International Journal of Geo-Information","issn_l":"2220-9964","issn":["2220-9964"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ISPRS International Journal of Geo-Information","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2057902195","display_name":null,"funder_award_id":"Nos. 41201395, 416014160","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3016735905.pdf","grobid_xml":"https://content.openalex.org/works/W3016735905.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W127276521","https://openalex.org/W1237462668","https://openalex.org/W1572275542","https://openalex.org/W1591377857","https://openalex.org/W1966704401","https://openalex.org/W1975538585","https://openalex.org/W1981934656","https://openalex.org/W1988849643","https://openalex.org/W2005719654","https://openalex.org/W2018603409","https://openalex.org/W2052505834","https://openalex.org/W2066204611","https://openalex.org/W2067845044","https://openalex.org/W2085257689","https://openalex.org/W2122430112","https://openalex.org/W2133300496","https://openalex.org/W2155195832","https://openalex.org/W2164280262","https://openalex.org/W2359395149","https://openalex.org/W2601176932","https://openalex.org/W2964875360","https://openalex.org/W4242246215","https://openalex.org/W6635088054","https://openalex.org/W6651456426","https://openalex.org/W6684058491","https://openalex.org/W7029647195"],"related_works":["https://openalex.org/W2347712269","https://openalex.org/W2009159559","https://openalex.org/W3111172764","https://openalex.org/W1495912272","https://openalex.org/W2082294695","https://openalex.org/W2382441973","https://openalex.org/W1501531354","https://openalex.org/W1591377857","https://openalex.org/W3016735905","https://openalex.org/W1665595036"],"abstract_inverted_index":{"When":[0],"using":[1],"the":[2,22,25,30,42,55,63,68,78,84,99,117,131,135],"traditional":[3,56],"Douglas\u2013Peucker":[4],"(D\u2013P)":[5],"algorithm":[6,39,58,133],"to":[7,14,61,82,130],"simplify":[8,62],"linear":[9],"objects,":[10],"it":[11],"is":[12,49,59,80],"easy":[13],"generate":[15],"results":[16],"containing":[17],"self-intersecting":[18],"errors,":[19],"thus":[20,97],"affecting":[21],"application":[23],"of":[24,32,87,104],"D\u2013P":[26,43,57,132],"algorithm.":[27,137],"To":[28],"solve":[29],"problem":[31],"self-intersection,":[33],"a":[34],"new":[35],"vector":[36],"line":[37],"simplification":[38],"based":[40,109],"on":[41,110],"algorithm,":[44],"monotonic":[45,75,88,93],"chains":[46,89,94],"and":[47,66,91,126,134],"dichotomy,":[48],"proposed":[50,118],"in":[51,123],"this":[52],"paper.":[53],"First,":[54],"used":[60,81],"original":[64],"lines,":[65],"then":[67],"simplified":[69],"lines":[70],"are":[71,95,107],"divided":[72],"into":[73],"several":[74],"chains.":[76],"Second,":[77],"dichotomy":[79],"search":[83],"intersection":[85],"positions":[86],"effectively,":[90],"intersecting":[92],"processed,":[96],"solving":[98],"self-intersection":[100],"problems.":[101],"Two":[102],"groups":[103],"experimental":[105,119],"data":[106,112],"selected":[108],"large":[111],"sets.":[113],"Results":[114],"demonstrate":[115],"that":[116],"method":[120],"has":[121],"advantages":[122],"algorithmic":[124],"efficiency":[125],"accuracy":[127],"when":[128],"compared":[129],"Star-shaped":[136]},"counts_by_year":[{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2020-04-24T00:00:00"}
