{"id":"https://openalex.org/W2019580424","doi":"https://doi.org/10.1109/tgrs.2013.2267802","title":"Allocating Classes for Soft-Then-Hard Subpixel Mapping Algorithms in Units of Class","display_name":"Allocating Classes for Soft-Then-Hard Subpixel Mapping Algorithms in Units of Class","publication_year":2013,"publication_date":"2013-07-22","ids":{"openalex":"https://openalex.org/W2019580424","doi":"https://doi.org/10.1109/tgrs.2013.2267802","mag":"2019580424"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2013.2267802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2013.2267802","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","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/A5005729523","display_name":"Qunming Wang","orcid":"https://orcid.org/0000-0002-5188-0939"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Qunming Wang","raw_affiliation_strings":["Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong","Dept. of Land Surveying & Geo-Inf., Hong Kong Polytech. Univ., Kowloon, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Dept. of Land Surveying & Geo-Inf., Hong Kong Polytech. Univ., Kowloon, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100644664","display_name":"Wenzhong Shi","orcid":"https://orcid.org/0000-0002-3886-7027"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Wenzhong Shi","raw_affiliation_strings":["Department of Land Surveying and Geo-Informatics, Wuhan University, Wuhan, China","Dept. of Land Surveying & Geo-Inf., Hong Kong Polytech. Univ., Kowloon, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Land Surveying and Geo-Informatics, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]},{"raw_affiliation_string":"Dept. of Land Surveying & Geo-Inf., Hong Kong Polytech. Univ., Kowloon, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100636411","display_name":"Liguo Wang","orcid":"https://orcid.org/0000-0001-9373-6233"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liguo Wang","raw_affiliation_strings":["College of Information and Communications Engineering, Harbin Engineering University, Harbin, China","[College of Information And Communication Engineering, Harbin Engineering University, Harbin, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information and Communications Engineering, Harbin Engineering University, Harbin, China","institution_ids":["https://openalex.org/I151727225"]},{"raw_affiliation_string":"[College of Information And Communication Engineering, Harbin Engineering University, Harbin, China]","institution_ids":["https://openalex.org/I151727225"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":11.5617,"has_fulltext":false,"cited_by_count":76,"citation_normalized_percentile":{"value":0.98543717,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"52","issue":"5","first_page":"2940","last_page":"2959"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T13890","display_name":"Remote Sensing and Land Use","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/subpixel-rendering","display_name":"Subpixel rendering","score":0.9926415681838989},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6847634315490723},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.507176399230957},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4967547059059143},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.4714052677154541},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.459803968667984},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.33766642212867737}],"concepts":[{"id":"https://openalex.org/C68516990","wikidata":"https://www.wikidata.org/wiki/Q452912","display_name":"Subpixel rendering","level":3,"score":0.9926415681838989},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6847634315490723},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.507176399230957},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4967547059059143},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.4714052677154541},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.459803968667984},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.33766642212867737}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tgrs.2013.2267802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2013.2267802","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/33390","is_oa":false,"landing_page_url":"http://hdl.handle.net/10397/33390","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Journal/Magazine Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life in Land","score":0.6499999761581421,"id":"https://metadata.un.org/sdg/15"}],"awards":[{"id":"https://openalex.org/G4460375668","display_name":null,"funder_award_id":"61275010","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320310009","display_name":"University of Florida","ror":"https://ror.org/02y3ad647"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323154","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":61,"referenced_works":["https://openalex.org/W25391182","https://openalex.org/W94260270","https://openalex.org/W1501147941","https://openalex.org/W1558351676","https://openalex.org/W1585591997","https://openalex.org/W1970687769","https://openalex.org/W1979149796","https://openalex.org/W1983720606","https://openalex.org/W1987779238","https://openalex.org/W1990368143","https://openalex.org/W1991018729","https://openalex.org/W1997259586","https://openalex.org/W2002325557","https://openalex.org/W2004818310","https://openalex.org/W2021605197","https://openalex.org/W2025140748","https://openalex.org/W2026999441","https://openalex.org/W2034104507","https://openalex.org/W2044558111","https://openalex.org/W2045067537","https://openalex.org/W2049972069","https://openalex.org/W2059063187","https://openalex.org/W2061980025","https://openalex.org/W2065646058","https://openalex.org/W2068926763","https://openalex.org/W2073626642","https://openalex.org/W2075291334","https://openalex.org/W2077756867","https://openalex.org/W2081155276","https://openalex.org/W2085876454","https://openalex.org/W2096919863","https://openalex.org/W2107222994","https://openalex.org/W2109343601","https://openalex.org/W2111560151","https://openalex.org/W2114038859","https://openalex.org/W2114108138","https://openalex.org/W2114828048","https://openalex.org/W2115963694","https://openalex.org/W2119019477","https://openalex.org/W2127062304","https://openalex.org/W2131208285","https://openalex.org/W2136579598","https://openalex.org/W2142380919","https://openalex.org/W2143105490","https://openalex.org/W2151747974","https://openalex.org/W2154019910","https://openalex.org/W2154980584","https://openalex.org/W2155271176","https://openalex.org/W2156248183","https://openalex.org/W2157278886","https://openalex.org/W2158232087","https://openalex.org/W2162060765","https://openalex.org/W2165578946","https://openalex.org/W2167663112","https://openalex.org/W2167903638","https://openalex.org/W2168481151","https://openalex.org/W3138949179","https://openalex.org/W4253856589","https://openalex.org/W4388284198","https://openalex.org/W6600998794","https://openalex.org/W6603848189"],"related_works":["https://openalex.org/W2369528593","https://openalex.org/W2385629811","https://openalex.org/W2111510641","https://openalex.org/W2638735979","https://openalex.org/W2386795888","https://openalex.org/W1968995436","https://openalex.org/W2382389562","https://openalex.org/W2054875742","https://openalex.org/W2120293966","https://openalex.org/W2142380919"],"abstract_inverted_index":{"There":[0],"is":[1,73,84,130,135,208,223],"a":[2,50,67,138,188],"type":[3],"of":[4,63,78,112,124,184],"algorithm":[5,15],"for":[6,22,39,55,70,121,203,247],"subpixel":[7,28,134,185],"mapping":[8],"(SPM),":[9],"namely,":[10],"the":[11,27,43,76,93,96,100,108,116,122,125],"soft-then-hard":[12],"SPM":[13,213],"(STHSPM)":[14],"that":[16,190,202],"first":[17,198],"estimates":[18],"soft":[19,44,109,195],"attribute":[20,37,45,110,196],"values":[21,111,197],"land":[23],"cover":[24],"classes":[25,34,60,72],"at":[26,227],"scale":[29],"level":[30],"and":[31,75,115,163,187,217,242],"then":[32],"allocates":[33,59],"(i.e.,":[35],"hard":[36],"values)":[38],"subpixels":[40,79,97,118,192],"according":[41,91],"to":[42,81,92,99,137,210,225],"values.":[46],"This":[47],"paper":[48],"presents":[49],"novel":[51],"class":[52,64,83,103,244],"allocation":[53,123,173,245],"approach":[54],"STHSPM":[56,150,205,248],"algorithms,":[57,206],"which":[58],"in":[61,182],"units":[62,183],"(UOC).":[65],"First,":[66],"visiting":[68,94],"order":[69],"all":[71,204],"predetermined,":[74],"number":[77],"belonging":[80,98],"each":[82,133],"calculated":[85],"using":[86],"coarse":[87],"fraction":[88],"data.":[89],"Then,":[90],"order,":[95],"being":[101],"visited":[102],"are":[104,119],"determined":[105],"by":[106],"comparing":[107],"this":[113],"class,":[114],"remaining":[117],"used":[120],"next":[126],"class.":[127,139],"The":[128],"process":[129],"terminated":[131],"when":[132],"allocated":[136],"UOC":[140,166,207,222,238],"was":[141,167],"tested":[142],"on":[143],"three":[144,171],"remote":[145],"sensing":[146],"images":[147],"with":[148,170,193,220],"five":[149],"algorithms:":[151],"back-propagation":[152],"neural":[153,156],"network,":[154,157],"Hopfield":[155],"subpixel/pixel":[158],"spatial":[159],"attraction":[160],"model,":[161],"kriging,":[162],"indicator":[164],"cokriging.":[165],"also":[168],"compared":[169,219],"existing":[172],"methods,":[174],"i.e.,":[175],"linear":[176],"optimization":[177],"technique":[178],"(LOT),":[179],"sequential":[180],"assignment":[181],"(UOS),":[186],"method":[189,246],"assigns":[191],"highest":[194],"(HAVF).":[199],"Results":[200],"show":[201],"able":[209,224],"produce":[211],"higher":[212],"accuracy":[214,230],"than":[215],"UOS":[216],"HAVF;":[218],"LOT,":[221],"achieve":[226],"least":[228],"comparable":[229],"but":[231],"needs":[232],"much":[233],"less":[234],"computing":[235],"time.":[236],"Hence,":[237],"provides":[239],"an":[240],"effective":[241],"real-time":[243],"algorithms.":[249]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":12},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
