{"id":"https://openalex.org/W3124623599","doi":"https://doi.org/10.3390/rs13030405","title":"Hyperspectral Image Enhancement by Two Dimensional Quaternion Valued Singular Spectrum Analysis for Object Recognition","display_name":"Hyperspectral Image Enhancement by Two Dimensional Quaternion Valued Singular Spectrum Analysis for Object Recognition","publication_year":2021,"publication_date":"2021-01-25","ids":{"openalex":"https://openalex.org/W3124623599","doi":"https://doi.org/10.3390/rs13030405","mag":"3124623599"},"language":"en","primary_location":{"id":"doi:10.3390/rs13030405","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13030405","pdf_url":"https://www.mdpi.com/2072-4292/13/3/405/pdf?version=1611556575","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/3/405/pdf?version=1611556575","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088438299","display_name":"Yuxin Lin","orcid":"https://orcid.org/0000-0003-4375-3515"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxin Lin","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022036826","display_name":"Bingo Wing\u2010Kuen Ling","orcid":"https://orcid.org/0000-0002-0633-7224"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Bingo Wing-Kuen Ling","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053403892","display_name":"Lingyue Hu","orcid":null},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lingyue Hu","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066248564","display_name":"Yiting Zheng","orcid":"https://orcid.org/0009-0008-6164-8616"},"institutions":[{"id":"https://openalex.org/I79510175","display_name":"Cardiff University","ror":"https://ror.org/03kk7td41","country_code":"GB","type":"education","lineage":["https://openalex.org/I79510175"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yiting Zheng","raw_affiliation_strings":["Faculty of Physical Sciences and Engineering, Cardiff University, Cardiff, Wales CF10 3AT, UK"],"affiliations":[{"raw_affiliation_string":"Faculty of Physical Sciences and Engineering, Cardiff University, Cardiff, Wales CF10 3AT, UK","institution_ids":["https://openalex.org/I79510175"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034983015","display_name":"Nuo Xu","orcid":"https://orcid.org/0000-0003-2490-6280"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nuo Xu","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006059084","display_name":"Xueling Zhou","orcid":"https://orcid.org/0000-0001-9838-5452"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xueling Zhou","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100732335","display_name":"Xinpeng Wang","orcid":"https://orcid.org/0000-0001-8494-0494"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinpeng Wang","raw_affiliation_strings":["School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China"],"affiliations":[{"raw_affiliation_string":"School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China","institution_ids":["https://openalex.org/I139024713"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5022036826"],"corresponding_institution_ids":["https://openalex.org/I139024713"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":2.0213,"has_fulltext":true,"cited_by_count":21,"citation_normalized_percentile":{"value":0.87616559,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"13","issue":"3","first_page":"405","last_page":"405"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9997000098228455,"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9997000098228455,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9977999925613403,"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/singular-spectrum-analysis","display_name":"Singular spectrum analysis","score":0.8999722003936768},{"id":"https://openalex.org/keywords/quaternion","display_name":"Quaternion","score":0.7504820227622986},{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.7346461415290833},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6404902935028076},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.6270033121109009},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5602911710739136},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5486085414886475},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5071852207183838},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4695979356765747},{"id":"https://openalex.org/keywords/singular-value-decomposition","display_name":"Singular value decomposition","score":0.44066178798675537},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.43771857023239136},{"id":"https://openalex.org/keywords/component-analysis","display_name":"Component analysis","score":0.43216097354888916},{"id":"https://openalex.org/keywords/singular-value","display_name":"Singular value","score":0.42607390880584717},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.418365478515625},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.1385461390018463},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.13527321815490723},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08067706227302551}],"concepts":[{"id":"https://openalex.org/C136272165","wikidata":"https://www.wikidata.org/wiki/Q4048889","display_name":"Singular spectrum analysis","level":3,"score":0.8999722003936768},{"id":"https://openalex.org/C200127275","wikidata":"https://www.wikidata.org/wiki/Q173853","display_name":"Quaternion","level":2,"score":0.7504820227622986},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.7346461415290833},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6404902935028076},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.6270033121109009},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5602911710739136},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5486085414886475},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5071852207183838},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4695979356765747},{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.44066178798675537},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.43771857023239136},{"id":"https://openalex.org/C2780692498","wikidata":"https://www.wikidata.org/wiki/Q16950721","display_name":"Component analysis","level":2,"score":0.43216097354888916},{"id":"https://openalex.org/C109282560","wikidata":"https://www.wikidata.org/wiki/Q4166054","display_name":"Singular value","level":3,"score":0.42607390880584717},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.418365478515625},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.1385461390018463},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.13527321815490723},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08067706227302551},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13030405","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13030405","pdf_url":"https://www.mdpi.com/2072-4292/13/3/405/pdf?version=1611556575","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:3ef57fba8a44493eae20765ed49b0cd6","is_oa":true,"landing_page_url":"https://doaj.org/article/3ef57fba8a44493eae20765ed49b0cd6","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":"Remote Sensing, Vol 13, Iss 3, p 405 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/3/405/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13030405","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":"Remote Sensing; Volume 13; Issue 3; Pages: 405","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13030405","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13030405","pdf_url":"https://www.mdpi.com/2072-4292/13/3/405/pdf?version=1611556575","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5085094850","display_name":null,"funder_award_id":"U1701266, 61372173 and 62071128","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":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3124623599.pdf","grobid_xml":"https://content.openalex.org/works/W3124623599.grobid-xml"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W1683377007","https://openalex.org/W1954978139","https://openalex.org/W1964504828","https://openalex.org/W1972673941","https://openalex.org/W2001298023","https://openalex.org/W2001914975","https://openalex.org/W2018482939","https://openalex.org/W2024165284","https://openalex.org/W2025727209","https://openalex.org/W2028139062","https://openalex.org/W2039596145","https://openalex.org/W2042041679","https://openalex.org/W2093628091","https://openalex.org/W2117741752","https://openalex.org/W2119601932","https://openalex.org/W2139925058","https://openalex.org/W2141953966","https://openalex.org/W2153635508","https://openalex.org/W2157621128","https://openalex.org/W2164330327","https://openalex.org/W2165755981","https://openalex.org/W2167480185","https://openalex.org/W2592785330","https://openalex.org/W2753160569","https://openalex.org/W2755255921","https://openalex.org/W2793134649","https://openalex.org/W2808220546","https://openalex.org/W2914331134","https://openalex.org/W2962891490","https://openalex.org/W3048745029","https://openalex.org/W3102858728","https://openalex.org/W3110174961","https://openalex.org/W4226065410","https://openalex.org/W4232129301","https://openalex.org/W6645245569","https://openalex.org/W6650637014","https://openalex.org/W6676282397","https://openalex.org/W6684325705"],"related_works":["https://openalex.org/W4319586039","https://openalex.org/W4382583540","https://openalex.org/W2010100052","https://openalex.org/W2148568324","https://openalex.org/W1990844505","https://openalex.org/W1607100495","https://openalex.org/W4378770618","https://openalex.org/W4386721910","https://openalex.org/W2038393145","https://openalex.org/W2085555817"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,53,102],"two":[4,41,88,108,169,188],"dimensional":[5,42,89,109,170,180,189],"quaternion":[6,43,110],"valued":[7,44,91,111,172],"singular":[8,45,92,112,173,181,190],"spectrum":[9,46,93,113,174,182,191],"analysis":[10,47,94,114,175,183,192,203],"based":[11,95,115,160,176,184,193,198,204,209,220],"method":[12,96,116,164,210],"for":[13,22,29,79,122],"enhancing":[14],"the":[15,19,24,31,36,40,56,59,63,67,73,81,86,99,107,124,128,132,135,140,156,168,178,186,195,200,206,212],"hyperspectral":[16],"image.":[17],"Here,":[18],"enhancement":[20],"is":[21,70,77,105,165],"performing":[23,80,123],"object":[25,82],"recognition,":[26],"but":[27],"neither":[28],"improving":[30],"visual":[32],"quality":[33],"nor":[34],"suppressing":[35],"artifacts.":[37],"In":[38],"particular,":[39],"components":[48],"are":[49,147],"selected":[50],"in":[51,101,134],"such":[52],"way":[54],"that":[55,155],"ratio":[57],"of":[58,66],"interclass":[60],"separation":[61,65],"to":[62,85],"intraclass":[64],"pixel":[68],"vectors":[69],"maximized.":[71],"Next,":[72],"support":[74],"vector":[75],"machine":[76],"employed":[78],"recognition.":[83],"Compared":[84],"conventional":[87],"real":[90,171],"where":[97],"only":[98],"pixels":[100,133],"color":[103,119,137,145],"plane":[104,138],"exploited,":[106],"fuses":[117],"four":[118],"planes":[120,146],"together":[121],"enhancement.":[125],"Hence,":[126],"both":[127],"spatial":[129],"information":[130,142],"among":[131,143],"same":[136],"and":[139,211],"spectral":[141,214],"various":[144],"exploited.":[148],"The":[149],"computer":[150],"numerical":[151],"simulation":[152],"results":[153],"show":[154],"overall":[157],"classification":[158],"accuracy":[159],"on":[161],"our":[162],"proposed":[163],"higher":[166],"than":[167],"method,":[177,185,194,199,205],"three":[179],"multivariate":[187],"median":[196],"filtering":[197],"principal":[201],"component":[202],"Tucker":[207],"decomposition":[208],"hybrid":[213],"convolutional":[215],"neural":[216],"network":[217],"(hybrid":[218],"SN)":[219],"method.":[221]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-06T07:47:59.780226","created_date":"2021-02-01T00:00:00"}
