{"id":"https://openalex.org/W4402628693","doi":"https://doi.org/10.1109/tgrs.2024.3463745","title":"SQformer: Spectral-Query Transformer for Hyperspectral Image Arbitrary-Scale Super-Resolution","display_name":"SQformer: Spectral-Query Transformer for Hyperspectral Image Arbitrary-Scale Super-Resolution","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4402628693","doi":"https://doi.org/10.1109/tgrs.2024.3463745"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2024.3463745","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3463745","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/A5012282514","display_name":"Shuguo Jiang","orcid":"https://orcid.org/0009-0001-9850-1043"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shuguo Jiang","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0009-0001-9850-1043","affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057895402","display_name":"Nanying Li","orcid":"https://orcid.org/0000-0001-5219-1644"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nanying Li","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-5219-1644","affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038002446","display_name":"Meng Xu","orcid":"https://orcid.org/0000-0002-4056-7787"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Meng Xu","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0002-4056-7787","affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037478762","display_name":"Shuyu Zhang","orcid":"https://orcid.org/0000-0003-2038-0349"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuyu Zhang","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-2038-0349","affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035753061","display_name":"Sen Jia","orcid":"https://orcid.org/0000-0001-9742-5037"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sen Jia","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-9742-5037","affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5012282514"],"corresponding_institution_ids":["https://openalex.org/I180726961"],"apc_list":null,"apc_paid":null,"fwci":3.0622,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.92187879,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"62","issue":null,"first_page":"1","last_page":"15"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9384999871253967,"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":0.9384999871253967,"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/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.8829159140586853},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5674139857292175},{"id":"https://openalex.org/keywords/full-spectral-imaging","display_name":"Full spectral imaging","score":0.5611755847930908},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5567848682403564},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.5144875049591064},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.46856358647346497},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.36228305101394653},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.35930556058883667},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.19383642077445984},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09976804256439209}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8829159140586853},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5674139857292175},{"id":"https://openalex.org/C78660771","wikidata":"https://www.wikidata.org/wiki/Q5508206","display_name":"Full spectral imaging","level":3,"score":0.5611755847930908},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5567848682403564},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.5144875049591064},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.46856358647346497},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.36228305101394653},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.35930556058883667},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.19383642077445984},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09976804256439209},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2024.3463745","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2024.3463745","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2721654555","display_name":null,"funder_award_id":"2022A1515011290","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G3433068557","display_name":null,"funder_award_id":"62271327","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4127476294","display_name":null,"funder_award_id":"2023KCXTD029","funder_id":"https://openalex.org/F4320326279","funder_display_name":"Department of Education of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320326279","display_name":"Department of Education of Guangdong Province","ror":null},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":62,"referenced_works":["https://openalex.org/W1686810756","https://openalex.org/W1903029394","https://openalex.org/W1916874600","https://openalex.org/W1967615710","https://openalex.org/W1994168328","https://openalex.org/W2006280268","https://openalex.org/W2022075948","https://openalex.org/W2073196383","https://openalex.org/W2157494358","https://openalex.org/W2194775991","https://openalex.org/W2221899823","https://openalex.org/W2476548250","https://openalex.org/W2533102868","https://openalex.org/W2748530166","https://openalex.org/W2767522909","https://openalex.org/W2884276099","https://openalex.org/W2887210918","https://openalex.org/W2908833896","https://openalex.org/W2910457605","https://openalex.org/W2942454403","https://openalex.org/W2945202593","https://openalex.org/W2962770389","https://openalex.org/W2963031226","https://openalex.org/W2963372104","https://openalex.org/W2963446712","https://openalex.org/W2964013315","https://openalex.org/W2964101377","https://openalex.org/W2982217661","https://openalex.org/W2998841120","https://openalex.org/W3012399044","https://openalex.org/W3016106731","https://openalex.org/W3019893222","https://openalex.org/W3025440211","https://openalex.org/W3027120144","https://openalex.org/W3098388691","https://openalex.org/W3099831940","https://openalex.org/W3102745911","https://openalex.org/W3107490592","https://openalex.org/W3109953061","https://openalex.org/W3124196789","https://openalex.org/W3138725786","https://openalex.org/W3174865552","https://openalex.org/W3202903235","https://openalex.org/W3205614732","https://openalex.org/W3207918547","https://openalex.org/W3214047808","https://openalex.org/W4225672218","https://openalex.org/W4225747055","https://openalex.org/W4250600009","https://openalex.org/W4283260867","https://openalex.org/W4309158361","https://openalex.org/W4317528595","https://openalex.org/W4366148227","https://openalex.org/W4385245566","https://openalex.org/W4385413338","https://openalex.org/W4386075645","https://openalex.org/W4387623802","https://openalex.org/W4390871817","https://openalex.org/W4394843754","https://openalex.org/W4394938955","https://openalex.org/W6637373629","https://openalex.org/W6803995609"],"related_works":["https://openalex.org/W2385371209","https://openalex.org/W2911259277","https://openalex.org/W4386427838","https://openalex.org/W2800956885","https://openalex.org/W4250051149","https://openalex.org/W2083270190","https://openalex.org/W2317401237","https://openalex.org/W2579567122","https://openalex.org/W1990800631","https://openalex.org/W2167120702"],"abstract_inverted_index":{"Super-resolution":[0],"is":[1,34,41,111,137],"vital":[2],"for":[3,280],"the":[4,12,26,67,93,121,189,209,258,262,275,281,285,289],"quality":[5],"improvement":[6],"of":[7,69,98,116,159,215,224],"hyperspectral":[8],"images":[9],"(HSIs)":[10],"under":[11],"spatial":[13,51],"and":[14,29,38,48,106,218,242,264],"spectral":[15,130,179,186,236,278],"resolution":[16,52],"trade-off.":[17],"However,":[18],"deep":[19],"learning":[20],"HSI":[21,63,84,94,124,195,211],"super-resolution":[22,86,197],"approaches":[23],"typically":[24],"adopt":[25],"\u201cone":[27],"model":[28],"one":[30],"scale\u201d":[31],"scheme":[32],"that":[33,182],"inefficient":[35],"in":[36,43,54,295],"training":[37],"storing.":[39],"This":[40,170],"difficult":[42],"maximizing":[44],"orbit":[45],"equipment":[46],"performance":[47],"aligning":[49],"multiple":[50],"data":[53],"remote":[55,308],"sensing.":[56],"Therefore,":[57],"this":[58,80],"article":[59],"intends":[60],"to":[61,71,112,120,127,161,256,273],"address":[62],"arbitrary-scale":[64,85,168,196],"super-resolution,":[65],"enabling":[66],"scaling":[68],"HSIs":[70],"arbitrary":[72],"sizes":[73],"using":[74],"a":[75,88,96,114,156,213,221,239,270],"single":[76],"model.":[77],"To":[78,227],"do":[79],"end,":[81],"we":[82,153,192,232],"treat":[83],"as":[87,95,125,200],"retrieval":[89],"problem.":[90],"It":[91],"conceptualizes":[92],"dictionary":[97,214],"pixelwise":[99],"tokens":[100,118,144,217,266,291],"with":[101],"spatial-spectral":[102],"features,":[103],"position":[104,175],"information,":[105],"scale":[107],"information.":[108],"Its":[109],"objective":[110],"employ":[113],"set":[115],"initialized":[117],"related":[119],"high-resolution":[122],"(HR)":[123],"queries":[126],"retrieve":[128],"matched":[129,277],"features":[131,180],"from":[132],"low-resolution":[133],"(LR)":[134],"one,":[135],"which":[136],"so-called":[138],"token-based":[139],"query-to-spectrum.":[140],"Since":[141],"these":[142],"query":[143],"can":[145,154,184],"be":[146,314],"constructed":[147],"flexibly":[148],"(e.g.,":[149],"through":[150],"random":[151],"initialization),":[152],"generate":[155],"desired":[157,222],"number":[158,223],"them":[160],"reconstruct":[162],"our":[163],"HR":[164,225,259,263,290,299],"HSI,":[165],"thus":[166],"achieving":[167],"super-resolution.":[169],"process":[171],"considers":[172],"not":[173],"only":[174],"information":[176],"but":[177],"also":[178],"so":[181],"it":[183,205,244],"decrease":[185],"distortion.":[187],"With":[188],"above":[190],"idea,":[191],"developed":[193],"an":[194,234,298],"method,":[198],"dubbed":[199],"spectral-query":[201],"transformer":[202,271],"(SQformer).":[203],"Specifically,":[204],"begins":[206],"by":[207,283],"converting":[208],"LR":[210,216,265,286],"into":[212,269],"then":[219],"constructs":[220],"tokens.":[226,260,287],"enable":[228],"flexible":[229],"token":[230,237],"construction,":[231],"design":[233],"implicit":[235],"(particularly":[238],"learnable":[240],"vector)":[241],"replicate":[243],"<inline-formula":[245],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[246,318],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[247],"<tex-math":[248],"notation=\"LaTeX\">$\\alpha":[249],"H":[250],"\\times":[251],"\\alpha":[252],"W$":[253],"</tex-math></inline-formula>":[254],"times":[255],"form":[257],"Next,":[261],"are":[267,292],"passed":[268],"decoder":[272],"find":[274],"most":[276],"response":[279],"former":[282],"soft-weighting":[284],"Finally,":[288],"spatially":[293],"rearranged":[294],"order,":[296],"forming":[297],"HSI.":[300],"Extensive":[301],"experiments":[302],"have":[303],"demonstrated":[304],"its":[305],"effectiveness":[306],"on":[307],"sensing":[309],"data.":[310],"The":[311],"code":[312],"will":[313],"released":[315],"at:":[316],"<uri":[317],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">https://github.com/ShuGuoJ/SQformer.git</uri>.":[319]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":8}],"updated_date":"2026-04-28T14:05:53.105641","created_date":"2025-10-10T00:00:00"}
