{"id":"https://openalex.org/W7094946172","doi":"https://doi.org/10.1145/3746027.3755521","title":"Freq-RWKV: Granularity-Aware Spatial-Frequency Synergy via Dual-Domain Recurrent Scanning for Pan-sharpening","display_name":"Freq-RWKV: Granularity-Aware Spatial-Frequency Synergy via Dual-Domain Recurrent Scanning for Pan-sharpening","publication_year":2025,"publication_date":"2025-10-25","ids":{"openalex":"https://openalex.org/W7094946172","doi":"https://doi.org/10.1145/3746027.3755521"},"language":null,"primary_location":{"id":"doi:10.1145/3746027.3755521","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3746027.3755521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 33rd ACM International Conference on Multimedia","raw_type":"proceedings-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":null,"display_name":"Xueheng Li","orcid":"https://orcid.org/0009-0006-8204-9722"},"institutions":[{"id":"https://openalex.org/I2802624667","display_name":"Hefei Institutes of Physical Science","ror":"https://ror.org/046n57345","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2802624667"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xueheng Li","raw_affiliation_strings":["Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China and University of Science and Technology of China, Hefei, Anhui, China"],"affiliations":[{"raw_affiliation_string":"Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China and University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I2802624667"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Xuanhua He","orcid":"https://orcid.org/0009-0004-6637-853X"},"institutions":[{"id":"https://openalex.org/I2802624667","display_name":"Hefei Institutes of Physical Science","ror":"https://ror.org/046n57345","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2802624667"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuanhua He","raw_affiliation_strings":["Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China and University of Science and Technology of China, Hefei, Anhui, China"],"affiliations":[{"raw_affiliation_string":"Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China and University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I2802624667"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Tao Hu","orcid":"https://orcid.org/0009-0006-5565-5524"},"institutions":[{"id":"https://openalex.org/I2802624667","display_name":"Hefei Institutes of Physical Science","ror":"https://ror.org/046n57345","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2802624667"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Hu","raw_affiliation_strings":["Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China and University of Science and Technology of China, Hefei, Anhui, China"],"affiliations":[{"raw_affiliation_string":"Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China and University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I2802624667"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jie Zhang","orcid":"https://orcid.org/0000-0002-0853-4379"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I2802624667","display_name":"Hefei Institutes of Physical Science","ror":"https://ror.org/046n57345","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2802624667"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Zhang","raw_affiliation_strings":["Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China"],"affiliations":[{"raw_affiliation_string":"Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China","institution_ids":["https://openalex.org/I2802624667","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Man Zhou","orcid":"https://orcid.org/0000-0003-2872-605X"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Man Zhou","raw_affiliation_strings":["University of Science and Technology of China, Hefei, Anhui, China"],"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Chengjun Xie","orcid":"https://orcid.org/0000-0002-0629-2038"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I2802624667","display_name":"Hefei Institutes of Physical Science","ror":"https://ror.org/046n57345","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2802624667"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chengjun Xie","raw_affiliation_strings":["Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China"],"affiliations":[{"raw_affiliation_string":"Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, China","institution_ids":["https://openalex.org/I2802624667","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yingying Wang","orcid":"https://orcid.org/0009-0004-3748-1191"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingying Wang","raw_affiliation_strings":["Institute of Artificial Intelligence, Xiamen University, Xiamen, Fujian, China"],"affiliations":[{"raw_affiliation_string":"Institute of Artificial Intelligence, Xiamen University, Xiamen, Fujian, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"last","author":{"id":null,"display_name":"Bo Huang","orcid":"https://orcid.org/0000-0002-5063-3522"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Bo Huang","raw_affiliation_strings":["Department of Geography, The University of Hong Kong, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Geography, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2802624667"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.7409379,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1890","last_page":"1899"},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T10978","display_name":"Prenatal Screening and Diagnostics","score":0.19449999928474426,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10978","display_name":"Prenatal Screening and Diagnostics","score":0.19449999928474426,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12552","display_name":"Fetal and Pediatric Neurological Disorders","score":0.07079999893903732,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11732","display_name":"Assisted Reproductive Technology and Twin Pregnancy","score":0.05810000002384186,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.4855000078678131},{"id":"https://openalex.org/keywords/multispectral-image","display_name":"Multispectral image","score":0.47699999809265137},{"id":"https://openalex.org/keywords/granularity","display_name":"Granularity","score":0.4505999982357025},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.39309999346733093},{"id":"https://openalex.org/keywords/panchromatic-film","display_name":"Panchromatic film","score":0.3880000114440918},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.37880000472068787},{"id":"https://openalex.org/keywords/convolution","display_name":"Convolution (computer science)","score":0.3140999972820282},{"id":"https://openalex.org/keywords/discrete-wavelet-transform","display_name":"Discrete wavelet transform","score":0.30660000443458557},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.30469998717308044}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6543999910354614},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5378999710083008},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.4855000078678131},{"id":"https://openalex.org/C173163844","wikidata":"https://www.wikidata.org/wiki/Q1761440","display_name":"Multispectral image","level":2,"score":0.47699999809265137},{"id":"https://openalex.org/C177774035","wikidata":"https://www.wikidata.org/wiki/Q1246948","display_name":"Granularity","level":2,"score":0.4505999982357025},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.421999990940094},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39879998564720154},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.39309999346733093},{"id":"https://openalex.org/C107445234","wikidata":"https://www.wikidata.org/wiki/Q280995","display_name":"Panchromatic film","level":3,"score":0.3880000114440918},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.37880000472068787},{"id":"https://openalex.org/C45347329","wikidata":"https://www.wikidata.org/wiki/Q5166604","display_name":"Convolution (computer science)","level":3,"score":0.3140999972820282},{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.30660000443458557},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.30469998717308044},{"id":"https://openalex.org/C100921725","wikidata":"https://www.wikidata.org/wiki/Q1650811","display_name":"Spatial frequency","level":2,"score":0.3025999963283539},{"id":"https://openalex.org/C69744172","wikidata":"https://www.wikidata.org/wiki/Q860822","display_name":"Image fusion","level":3,"score":0.2924000024795532},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.28459998965263367},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.28459998965263367},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.2793000042438507},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.2750999927520752},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.2736999988555908},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.26510000228881836},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.2639999985694885},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.260699987411499},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.2572999894618988},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.2529999911785126},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.25099998712539673}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3746027.3755521","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3746027.3755521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 33rd ACM International Conference on Multimedia","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1991460509","https://openalex.org/W2000323021","https://openalex.org/W2001800591","https://openalex.org/W2031614119","https://openalex.org/W2068238590","https://openalex.org/W2109526535","https://openalex.org/W2116988482","https://openalex.org/W2119077559","https://openalex.org/W2139529730","https://openalex.org/W2149720806","https://openalex.org/W2462592242","https://openalex.org/W2963183385","https://openalex.org/W3014999631","https://openalex.org/W3081397212","https://openalex.org/W3176096490","https://openalex.org/W4283815286","https://openalex.org/W4312918841","https://openalex.org/W4322706739","https://openalex.org/W4323338626","https://openalex.org/W4387969438","https://openalex.org/W4391935849","https://openalex.org/W4404214611"],"related_works":[],"abstract_inverted_index":{"Pan-sharpening":[0],"aims":[1],"to":[2,76],"improve":[3],"the":[4,57,87,116,140,193,196],"spatial":[5,45,98],"resolution":[6],"of":[7,195],"low-resolution":[8],"multispectral":[9],"(LRMS)":[10],"image":[11],"by":[12],"integrating":[13],"high-frequency":[14,48,160],"information":[15,78],"from":[16],"corresponding":[17],"texture-rich":[18],"panchromatic":[19],"(PAN)":[20],"image.":[21],"While":[22],"RWKV":[23,61],"architecture":[24,111],"has":[25],"demonstrated":[26],"remarkable":[27],"global":[28],"perception":[29],"with":[30],"linear":[31],"computational":[32],"efficiency":[33],"in":[34,115],"vision":[35],"tasks,":[36],"its":[37],"inherent":[38],"sequential":[39],"scanning":[40,64,71,96,130],"mechanism":[41],"critically":[42],"compromises":[43],"local":[44],"coherence,":[46],"hindering":[47],"reconstruction.":[49],"To":[50],"bridge":[51],"this":[52,83],"gap,":[53],"we":[54,85],"tailor":[55],"Freq-RWKV,":[56],"first":[58],"spatial-frequency":[59],"adaptive":[60,103],"featuring":[62],"dual-domain":[63],"where":[65,154],"wavelet-guided":[66],"path":[67],"selection":[68],"dynamically":[69],"modulates":[70],"granularity":[72],"and":[73,99,107],"orientation":[74],"according":[75],"spectral-spatial":[77],"density":[79],"distributions.":[80],"Building":[81],"upon":[82],"innovation,":[84],"architect":[86],"hierarchical":[88],"U-shaped":[89,110],"fusion":[90,184],"network":[91],"that":[92],"strategically":[93],"coordinates":[94],"granularity-aware":[95],"across":[97],"frequency":[100],"domains,":[101],"enabling":[102],"trade-offs":[104],"between":[105],"performance":[106],"complexity.":[108],"The":[109],"implements":[112],"coarse-to-fine":[113],"enhancement:":[114],"encoding":[117,132],"stage,":[118],"Coarse":[119],"Structural":[120],"Interaction":[121,143],"(CSI-RWKV)":[122],"module":[123,145],"preserves":[124],"geometric":[125],"dependencies":[126],"via":[127,164],"window-constrained":[128],"recurrent":[129],"while":[131,179],"structural":[133],"priors":[134],"into":[135],"LRMS":[136],"features;":[137],"during":[138],"decoding,":[139],"Fine-grained":[141],"Frequency":[142],"(FFI-RWKV)":[144],"performs":[146],"edge-aware":[147],"refinement":[148],"through":[149,176],"differentiable":[150],"frequency-adaptive":[151],"window":[152],"partitioning,":[153],"multi-scale":[155],"spectral":[156,174],"wavelet":[157,166],"attention":[158],"prioritizes":[159],"PAN":[161],"components":[162],"extracted":[163],"discrete":[165],"transform":[167],"(DWT).":[168],"This":[169],"hybrid":[170],"decomposition":[171],"strategy":[172],"maintains":[173],"integrity":[175],"approximation":[177],"coefficients":[178,181],"detail":[180],"regulate":[182],"frequency-gated":[183],"thresholds.":[185],"Extensive":[186],"experiments":[187],"on":[188],"multiple":[189],"satellite":[190],"datasets":[191],"validate":[192],"effectiveness":[194],"proposed":[197],"method.":[198]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-25T00:00:00"}