{"id":"https://openalex.org/W2101442390","doi":"https://doi.org/10.1109/lgrs.2010.2049639","title":"On the Convergence of N-FINDR and Related Algorithms: To Iterate or Not to Iterate?","display_name":"On the Convergence of N-FINDR and Related Algorithms: To Iterate or Not to Iterate?","publication_year":2010,"publication_date":"2010-06-18","ids":{"openalex":"https://openalex.org/W2101442390","doi":"https://doi.org/10.1109/lgrs.2010.2049639","mag":"2101442390"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2010.2049639","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2010.2049639","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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/A5097484504","display_name":"Shaun Dowl","orcid":null},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":true,"raw_author_name":"Shaun Dowl","raw_affiliation_strings":["Dept. of Electr. & Comput. Eng, University of Auckland, Auckland, New Zealand"],"affiliations":[{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng, University of Auckland, Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032116874","display_name":"Mark Andrews","orcid":"https://orcid.org/0000-0002-5422-9252"},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Mark Andrews","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Auckland, Auckland, New Zealand","Dept. of Electr. & Comput. Eng, University of Auckland, Auckland, New Zealand"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Auckland, Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng, University of Auckland, Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5097484504"],"corresponding_institution_ids":["https://openalex.org/I154130895"],"apc_list":null,"apc_paid":null,"fwci":6.9503,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.96698898,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"8","issue":"1","first_page":"4","last_page":"8"},"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/T12157","display_name":"Geochemistry and Geologic Mapping","score":0.9918000102043152,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9822999835014343,"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/benchmark","display_name":"Benchmark (surveying)","score":0.7271807789802551},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.7244442105293274},{"id":"https://openalex.org/keywords/simplex","display_name":"Simplex","score":0.7083085179328918},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6954761743545532},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.5957015752792358},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5239284634590149},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.48459160327911377},{"id":"https://openalex.org/keywords/simplex-algorithm","display_name":"Simplex algorithm","score":0.48264580965042114},{"id":"https://openalex.org/keywords/basis","display_name":"Basis (linear algebra)","score":0.4406474232673645},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35208168625831604},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.16290748119354248},{"id":"https://openalex.org/keywords/linear-programming","display_name":"Linear programming","score":0.08911609649658203},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.07247325778007507}],"concepts":[{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.7271807789802551},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.7244442105293274},{"id":"https://openalex.org/C62438384","wikidata":"https://www.wikidata.org/wiki/Q331350","display_name":"Simplex","level":2,"score":0.7083085179328918},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6954761743545532},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.5957015752792358},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5239284634590149},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.48459160327911377},{"id":"https://openalex.org/C144521790","wikidata":"https://www.wikidata.org/wiki/Q134164","display_name":"Simplex algorithm","level":3,"score":0.48264580965042114},{"id":"https://openalex.org/C12426560","wikidata":"https://www.wikidata.org/wiki/Q189569","display_name":"Basis (linear algebra)","level":2,"score":0.4406474232673645},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35208168625831604},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.16290748119354248},{"id":"https://openalex.org/C41045048","wikidata":"https://www.wikidata.org/wiki/Q202843","display_name":"Linear programming","level":2,"score":0.08911609649658203},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.07247325778007507},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lgrs.2010.2049639","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2010.2049639","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"},{"id":"pmh:oai:researchspace.auckland.ac.nz:2292/11831","is_oa":false,"landing_page_url":"https://hdl.handle.net/2292/11831","pdf_url":null,"source":{"id":"https://openalex.org/S7407055463","display_name":"ResearchSpace (University of Auckland)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I154130895","host_organization_name":"University of Auckland","host_organization_lineage":["https://openalex.org/I154130895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W103639874","https://openalex.org/W1583497301","https://openalex.org/W1841053374","https://openalex.org/W1977884755","https://openalex.org/W2003752781","https://openalex.org/W2021086890","https://openalex.org/W2028504713","https://openalex.org/W2090167465","https://openalex.org/W2092819825","https://openalex.org/W2097900616","https://openalex.org/W2098295833","https://openalex.org/W2107120407","https://openalex.org/W2107222994","https://openalex.org/W2114486983","https://openalex.org/W2117544941","https://openalex.org/W2122976738","https://openalex.org/W2133290243","https://openalex.org/W2136625467","https://openalex.org/W2147043781","https://openalex.org/W2151649773","https://openalex.org/W2295820431","https://openalex.org/W4233760599","https://openalex.org/W6657537061","https://openalex.org/W6675750237","https://openalex.org/W6677479062"],"related_works":["https://openalex.org/W1996948798","https://openalex.org/W2095343758","https://openalex.org/W2185826091","https://openalex.org/W2048470382","https://openalex.org/W2477407501","https://openalex.org/W2384679317","https://openalex.org/W2911215968","https://openalex.org/W1583787753","https://openalex.org/W1570109187","https://openalex.org/W2389521946"],"abstract_inverted_index":{"A":[0],"popular":[1],"algorithm":[2,29,82],"for":[3,22,125],"unmixing":[4],"hyperspectral":[5],"data,":[6],"namely,":[7],"Winter's":[8],"N-FINDR":[9,81],"algorithm,":[10],"is":[11],"frequently":[12],"used":[13],"to":[14,113],"benchmark":[15],"other":[16],"algorithms":[17],"or":[18,72],"as":[19],"the":[20,31,45,48,52,62,80,89],"basis":[21],"new":[23],"algorithms.":[24],"The":[25],"interpretations":[26,87,96],"of":[27,38,47,76,79,108],"this":[28,122],"within":[30,61],"literature":[32],"are":[33,69,117],"not":[34,57,85],"consistent,":[35],"and":[36,94],"some":[37],"these":[39],"differences":[40,53],"have":[41,56],"significant":[42],"impact":[43],"on":[44],"convergence":[46],"algorithm.":[49],"Despite":[50],"this,":[51],"in":[54,119],"implementation":[55,110],"been":[58],"explicitly":[59],"acknowledged":[60],"literature,":[63],"which":[64,109],"means":[65],"that":[66,84,95,97],"many":[67],"studies":[68],"now":[70],"ambiguous":[71],"incomparable.":[73],"An":[74],"examination":[75],"various":[77],"implementations":[78],"highlights":[83],"all":[86],"possess":[88],"properties":[90],"asserted":[91],"by":[92],"Winter":[93],"consider":[98],"each":[99],"pixel":[100],"multiple":[101],"times":[102],"generate":[103],"much":[104],"larger":[105],"simplexes.":[106],"Regardless":[107],"researchers":[111],"choose":[112],"use,":[114],"if":[115],"they":[116],"explicit":[118],"their":[120],"choice,":[121],"would":[123],"allow":[124],"unambiguous":[126],"comparisons.":[127]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":5}],"updated_date":"2026-03-18T14:38:29.013473","created_date":"2016-06-24T00:00:00"}
