{"id":"https://openalex.org/W2516893097","doi":"https://doi.org/10.1109/lgrs.2016.2602227","title":"GPU Implementation of Spatial\u2013Spectral Preprocessing for Hyperspectral Unmixing","display_name":"GPU Implementation of Spatial\u2013Spectral Preprocessing for Hyperspectral Unmixing","publication_year":2016,"publication_date":"2016-09-08","ids":{"openalex":"https://openalex.org/W2516893097","doi":"https://doi.org/10.1109/lgrs.2016.2602227","mag":"2516893097"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2016.2602227","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2016.2602227","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":true,"oa_status":"green","oa_url":"https://doi.org/10.1109/LGRS.2016.2602227","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031229555","display_name":"Luis Ignacio Jim\u00e9nez","orcid":"https://orcid.org/0000-0001-6386-9115"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Luis Ignacio Jimenez","raw_affiliation_strings":["Hyperspectral Computing Laboratory, University of Extremadura, C\u00e1ceres, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hyperspectral Computing Laboratory, University of Extremadura, C\u00e1ceres, Spain","institution_ids":["https://openalex.org/I80606768"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049054067","display_name":"Gabriel Mart\u00edn","orcid":"https://orcid.org/0000-0001-8496-6459"},"institutions":[{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Gabriel Martin","raw_affiliation_strings":["Instituto de Telecomunica\u00e7\u00f5es, Lisbon, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Telecomunica\u00e7\u00f5es, Lisbon, Portugal","institution_ids":["https://openalex.org/I4210120471"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020941442","display_name":"Sergio S\u00e1nchez","orcid":"https://orcid.org/0000-0001-9903-6203"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Sergio Sanchez","raw_affiliation_strings":["Hyperspectral Computing Laboratory, University of Extremadura, C\u00e1ceres, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hyperspectral Computing Laboratory, University of Extremadura, C\u00e1ceres, Spain","institution_ids":["https://openalex.org/I80606768"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048493144","display_name":"Carlos Garc\u00eda","orcid":"https://orcid.org/0000-0002-3470-1097"},"institutions":[{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Carlos Garcia","raw_affiliation_strings":["Complutense University of Madrid, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Complutense University of Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I121748325"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011447045","display_name":"Sergio Bernab\u00e9","orcid":"https://orcid.org/0000-0001-9916-0634"},"institutions":[{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Sergio Bernabe","raw_affiliation_strings":["Complutense University of Madrid, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Complutense University of Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I121748325"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010624980","display_name":"Javier Plaza","orcid":"https://orcid.org/0000-0002-2384-9141"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Javier Plaza","raw_affiliation_strings":["Hyperspectral Computing Laboratory, University of Extremadura, C\u00e1ceres, Spain"],"raw_orcid":"https://orcid.org/0000-0002-2384-9141","affiliations":[{"raw_affiliation_string":"Hyperspectral Computing Laboratory, University of Extremadura, C\u00e1ceres, Spain","institution_ids":["https://openalex.org/I80606768"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054292278","display_name":"Antonio Plaza","orcid":"https://orcid.org/0000-0002-9613-1659"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Antonio Plaza","raw_affiliation_strings":["Hyperspectral Computing Laboratory, University of Extremadura, C\u00e1ceres, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hyperspectral Computing Laboratory, University of Extremadura, C\u00e1ceres, Spain","institution_ids":["https://openalex.org/I80606768"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5031229555"],"corresponding_institution_ids":["https://openalex.org/I80606768"],"apc_list":null,"apc_paid":null,"fwci":1.9643,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.8923976,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"13","issue":"11","first_page":"1671","last_page":"1675"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":1.0,"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":1.0,"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9937000274658203,"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":0.9901000261306763,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.9294727444648743},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7590914964675903},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6508128046989441},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5474706888198853},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5184709429740906},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.370789498090744},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.36804741621017456},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.33993375301361084},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1577269434928894}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.9294727444648743},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7590914964675903},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6508128046989441},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5474706888198853},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5184709429740906},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.370789498090744},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.36804741621017456},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.33993375301361084},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1577269434928894}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/lgrs.2016.2602227","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2016.2602227","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:uvadoc.uva.es:10324/65689","is_oa":false,"landing_page_url":"https://uvadoc.uva.es/handle/10324/65689","pdf_url":null,"source":{"id":"https://openalex.org/S4306400688","display_name":"University of Valladolid Documentary Repository (University of Valladolid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I108103353","host_organization_name":"Universidad de Valladolid","host_organization_lineage":["https://openalex.org/I108103353"],"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":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:zenodo.org:10617968","is_oa":true,"landing_page_url":"https://doi.org/10.1109/LGRS.2016.2602227","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"IEEE Geoscience and Remote Sensing Letters, 13(11), 1671 - 1675, (2016-11)","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:10617968","is_oa":true,"landing_page_url":"https://doi.org/10.1109/LGRS.2016.2602227","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"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":"IEEE Geoscience and Remote Sensing Letters, 13(11), 1671 - 1675, (2016-11)","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G658741142","display_name":null,"funder_award_id":"decreto 297/2014","funder_id":"https://openalex.org/F4320328352","funder_display_name":"Junta de Extremadura"}],"funders":[{"id":"https://openalex.org/F4320328352","display_name":"Junta de Extremadura","ror":"https://ror.org/01df4mv68"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1582058549","https://openalex.org/W1981939910","https://openalex.org/W2010797000","https://openalex.org/W2054973482","https://openalex.org/W2070781258","https://openalex.org/W2077239519","https://openalex.org/W2099703033","https://openalex.org/W2102159812","https://openalex.org/W2128090514","https://openalex.org/W2153885347","https://openalex.org/W2156220628","https://openalex.org/W2162480849","https://openalex.org/W2163886442","https://openalex.org/W2295820431","https://openalex.org/W4214564766","https://openalex.org/W4233760599","https://openalex.org/W6634825034"],"related_works":["https://openalex.org/W3211035526","https://openalex.org/W1869808405","https://openalex.org/W2018257962","https://openalex.org/W4291701050","https://openalex.org/W2028628118","https://openalex.org/W2987315422","https://openalex.org/W2565015337","https://openalex.org/W2891352623","https://openalex.org/W2899307613","https://openalex.org/W2775464024"],"abstract_inverted_index":{"Spectral":[0],"unmixing":[1,23,105,162],"pursues":[2],"the":[3,28,44,49,53,56,77,103,107,116,150,153],"identification":[4],"of":[5,18,30,43,52,91,106,144,152],"spectrally":[6],"pure":[7],"constituents,":[8],"called":[9],"endmembers,":[10],"and":[11,79,122,128],"their":[12],"corresponding":[13],"abundances":[14],"in":[15,55,64,75,158,167],"each":[16],"pixel":[17],"a":[19,61,87,92,159],"hyperspectral":[20,69,108,142,161],"image.":[21,57],"Most":[22],"techniques":[24,36],"have":[25,37],"focused":[26],"on":[27],"exploitation":[29],"spectral":[31,80,104],"information":[32,46,74],"alone.":[33],"Recently,":[34],"some":[35],"been":[38,98,113],"developed":[39],"to":[40,102,165],"take":[41],"advantage":[42],"complementary":[45],"provided":[47],"by":[48],"spatial":[50,78],"correlation":[51],"pixels":[54],"Computational":[58],"complexity":[59],"represents":[60],"major":[62],"problem":[63],"these":[65],"spatial-spectral":[66,93],"techniques,":[67],"as":[68],"images":[70,143],"contain":[71],"very":[72],"rich":[73],"both":[76,126],"domains.":[81],"In":[82],"this":[83],"letter,":[84],"we":[85],"develop":[86],"computationally":[88],"efficient":[89],"implementation":[90,111],"processing":[94,119,141],"algorithm":[95],"that":[96],"has":[97,112],"successfully":[99],"applied":[100],"prior":[101],"data.":[109],"Our":[110],"optimized":[114],"for":[115,149],"commodity":[117],"graphics":[118],"units":[120],"(GPUs)":[121],"is":[123],"evaluated":[124],"(using":[125],"synthetic":[127],"real":[129,168],"data)":[130],"using":[131],"different":[132,145],"GPU":[133],"architectures.":[134],"Significant":[135],"speedups":[136],"can":[137],"be":[138],"achieved":[139],"when":[140],"sizes.":[146],"This":[147],"allows":[148],"inclusion":[151],"proposed":[154],"parallel":[155],"preprocessing":[156],"module":[157],"full":[160],"chain":[163],"able":[164],"operate":[166],"time.":[169]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-09-16T00:00:00"}