{"id":"https://openalex.org/W2309968989","doi":"https://doi.org/10.1080/13658816.2016.1163571","title":"A new algorithm based on Region Partitioning for Filtering candidate viewpoints of a multiple viewshed","display_name":"A new algorithm based on Region Partitioning for Filtering candidate viewpoints of a multiple viewshed","publication_year":2016,"publication_date":"2016-03-21","ids":{"openalex":"https://openalex.org/W2309968989","doi":"https://doi.org/10.1080/13658816.2016.1163571","mag":"2309968989"},"language":"en","primary_location":{"id":"doi:10.1080/13658816.2016.1163571","is_oa":false,"landing_page_url":"https://doi.org/10.1080/13658816.2016.1163571","pdf_url":null,"source":{"id":"https://openalex.org/S4210181446","display_name":"International Journal of Geographical Information Systems","issn_l":"0269-3798","issn":["0269-3798","1362-3087"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geographical Information Science","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/A5009402737","display_name":"TianXing Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I152031979","display_name":"Nanjing Normal University","ror":"https://ror.org/036trcv74","country_code":"CN","type":"education","lineage":["https://openalex.org/I152031979"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"TianXing Yu","raw_affiliation_strings":[",","State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing, China","Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing, China"],"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing, China","institution_ids":[]},{"raw_affiliation_string":"Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I152031979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024560174","display_name":"Liyang Xiong","orcid":"https://orcid.org/0000-0001-7930-3319"},"institutions":[{"id":"https://openalex.org/I4210141657","display_name":"Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application","ror":"https://ror.org/045yewh40","country_code":"CN","type":"facility","lineage":["https://openalex.org/I152031979","https://openalex.org/I4210141657"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"LiYang Xiong","raw_affiliation_strings":["Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China","State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China","institution_ids":["https://openalex.org/I4210141657"]},{"raw_affiliation_string":"State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001064887","display_name":"Min Cao","orcid":"https://orcid.org/0000-0002-0852-4074"},"institutions":[{"id":"https://openalex.org/I152031979","display_name":"Nanjing Normal University","ror":"https://ror.org/036trcv74","country_code":"CN","type":"education","lineage":["https://openalex.org/I152031979"]},{"id":"https://openalex.org/I4210141657","display_name":"Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application","ror":"https://ror.org/045yewh40","country_code":"CN","type":"facility","lineage":["https://openalex.org/I152031979","https://openalex.org/I4210141657"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Min Cao","raw_affiliation_strings":[",","Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China","Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing, China"],"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China","institution_ids":["https://openalex.org/I4210141657"]},{"raw_affiliation_string":"Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I152031979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100637429","display_name":"Zhihui Wang","orcid":"https://orcid.org/0000-0002-5044-7287"},"institutions":[{"id":"https://openalex.org/I152031979","display_name":"Nanjing Normal University","ror":"https://ror.org/036trcv74","country_code":"CN","type":"education","lineage":["https://openalex.org/I152031979"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"ZhiHui Wang","raw_affiliation_strings":[",","State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing, China","Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing, China"],"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing, China","institution_ids":[]},{"raw_affiliation_string":"Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I152031979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100444193","display_name":"Yichi Zhang","orcid":"https://orcid.org/0000-0002-6990-8055"},"institutions":[{"id":"https://openalex.org/I4210141657","display_name":"Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application","ror":"https://ror.org/045yewh40","country_code":"CN","type":"facility","lineage":["https://openalex.org/I152031979","https://openalex.org/I4210141657"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"YiChi Zhang","raw_affiliation_strings":["Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China","State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China","institution_ids":["https://openalex.org/I4210141657"]},{"raw_affiliation_string":"State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053457530","display_name":"Guoan Tang","orcid":"https://orcid.org/0000-0002-1443-6134"},"institutions":[{"id":"https://openalex.org/I152031979","display_name":"Nanjing Normal University","ror":"https://ror.org/036trcv74","country_code":"CN","type":"education","lineage":["https://openalex.org/I152031979"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Guo\u2019An Tang","raw_affiliation_strings":[",","Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing, China"],"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I152031979"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5053457530"],"corresponding_institution_ids":["https://openalex.org/I152031979"],"apc_list":null,"apc_paid":null,"fwci":1.7908,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.82915339,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"30","issue":"11","first_page":"2171","last_page":"2187"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9635000228881836,"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":0.9635000228881836,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9569000005722046,"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/T10930","display_name":"Flood Risk Assessment and Management","score":0.953000009059906,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/viewshed-analysis","display_name":"Viewshed analysis","score":0.9820170402526855},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6308141946792603},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5612835884094238},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5565521121025085},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.5298699140548706},{"id":"https://openalex.org/keywords/simulated-annealing","display_name":"Simulated annealing","score":0.42445555329322815},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4230923056602478},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2515128552913666},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.15410304069519043},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.12099981307983398}],"concepts":[{"id":"https://openalex.org/C24300010","wikidata":"https://www.wikidata.org/wiki/Q7928833","display_name":"Viewshed analysis","level":2,"score":0.9820170402526855},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6308141946792603},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5612835884094238},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5565521121025085},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.5298699140548706},{"id":"https://openalex.org/C126980161","wikidata":"https://www.wikidata.org/wiki/Q863783","display_name":"Simulated annealing","level":2,"score":0.42445555329322815},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4230923056602478},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2515128552913666},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.15410304069519043},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.12099981307983398},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/13658816.2016.1163571","is_oa":false,"landing_page_url":"https://doi.org/10.1080/13658816.2016.1163571","pdf_url":null,"source":{"id":"https://openalex.org/S4210181446","display_name":"International Journal of Geographical Information Systems","issn_l":"0269-3798","issn":["0269-3798","1362-3087"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geographical Information Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4954710421","display_name":null,"funder_award_id":"41471316","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"},{"id":"https://openalex.org/F4320327518","display_name":"Priority Academic Program Development of Jiangsu Higher Education Institutions","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W255189610","https://openalex.org/W619873916","https://openalex.org/W1531418651","https://openalex.org/W1591265258","https://openalex.org/W1970181469","https://openalex.org/W1976115074","https://openalex.org/W1988648801","https://openalex.org/W1998736475","https://openalex.org/W2025969570","https://openalex.org/W2029201188","https://openalex.org/W2036374639","https://openalex.org/W2036397584","https://openalex.org/W2037564667","https://openalex.org/W2052586313","https://openalex.org/W2062629992","https://openalex.org/W2064774521","https://openalex.org/W2065625051","https://openalex.org/W2082299402","https://openalex.org/W2082734757","https://openalex.org/W2084744129","https://openalex.org/W2092131292","https://openalex.org/W2097836428","https://openalex.org/W2099934773","https://openalex.org/W2119753946","https://openalex.org/W2126400255","https://openalex.org/W2377845641","https://openalex.org/W4249595167","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2290019334","https://openalex.org/W2067296280","https://openalex.org/W2295229778","https://openalex.org/W2889043771","https://openalex.org/W2366113816","https://openalex.org/W3198468467","https://openalex.org/W4324296801","https://openalex.org/W3202931507","https://openalex.org/W3133572247","https://openalex.org/W2381869224"],"abstract_inverted_index":{"Selecting":[0],"the":[1,10,19,36,79,89,99,144,147,154,159,163,187,197,204,208,215],"set":[2,136],"of":[3,9,21,52,72,82,137,146,162,207,214],"candidate":[4],"viewpoints":[5],"(CVs)":[6],"is":[7,60,211],"one":[8],"most":[11],"important":[12],"procedures":[13],"in":[14,85,107,128],"multiple":[15,54],"viewshed":[16,80,104,115],"analysis.":[17],"However,":[18],"quantity":[20],"CVs":[22,51,73,111,139,149],"remains":[23],"excessive":[24],"even":[25],"when":[26],"only":[27],"terrain":[28],"feature":[29],"points":[30],"are":[31,117],"selected.":[32],"Here":[33],"we":[34],"propose":[35],"Region":[37],"Partitioning":[38],"for":[39],"Filtering":[40],"(RPF)":[41],"algorithm,":[42,165,199],"which":[43],"uses":[44],"a":[45,53,96,102,135,193],"region":[46,57,97,127],"partitioning":[47,58],"method":[48,59],"to":[49,62,95,125],"filter":[50],"viewshed.":[55],"The":[56,70],"used":[61],"decompose":[63],"an":[64],"entire":[65],"area":[66,81],"into":[67],"several":[68],"regions.":[69,109],"quality":[71],"can":[74,140,150],"be":[75,141,151],"evaluated":[76],"by":[77,153],"summarizing":[78],"each":[83,86,93,129],"CV":[84,94,100],"region.":[87],"First,":[88],"RPF":[90,155,164,188,209],"algorithm":[91,189,210],"apportions":[92],"wherein":[98],"has":[101],"larger":[103],"than":[105,192],"that":[106,186,213],"other":[108],"Then,":[110],"with":[112,170],"relatively":[113],"small":[114],"areas":[116],"removed":[118],"from":[119],"their":[120],"original":[121],"regions":[122],"or":[123],"reassigned":[124],"another":[126],"iterative":[130],"step.":[131],"In":[132],"this":[133],"way,":[134],"high-quality":[138],"preserved,":[142],"and":[143,177,200],"size":[145],"preserved":[148],"controlled":[152],"algorithm.":[156,217],"To":[157],"evaluate":[158],"computational":[160],"efficiency":[161],"its":[166],"performance":[167],"was":[168],"compared":[169],"simple":[171],"random":[172],"(SR),":[173],"simulated":[174],"annealing":[175],"(SA),":[176],"ant":[178],"colony":[179],"optimization":[180],"(ACO)":[181],"algorithms.":[182],"Experimental":[183],"results":[184],"indicate":[185],"provides":[190],"more":[191],"20%":[194],"improvement":[195],"over":[196],"SR":[198],"that,":[201],"on":[202],"average,":[203],"computation":[205],"time":[206],"63%":[212],"ACO":[216]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1}],"updated_date":"2026-01-22T23:29:09.771500","created_date":"2025-10-10T00:00:00"}