{"id":"https://openalex.org/W7204194875","doi":"https://doi.org/10.1038/s41598-026-65916-4","title":"Seismic bandwidth extension using restarted FISTA and an improved thresholding operator","display_name":"Seismic bandwidth extension using restarted FISTA and an improved thresholding operator","publication_year":2026,"publication_date":"2026-08-26","ids":{"openalex":"https://openalex.org/W7204194875","doi":"https://doi.org/10.1038/s41598-026-65916-4"},"language":"en","primary_location":{"id":"doi:10.1038/s41598-026-65916-4","doi":"https://doi.org/10.1038/s41598-026-65916-4","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s41598-026-65916-4","pdf_url":"https://www.nature.com/articles/s41598-026-65916-4_reference.pdf","source":{"id":"https://openalex.org/S196734849","display_name":"Scientific Reports","issn_l":"2045-2322","issn":["2045-2322"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","jufo-1","ki-jl-1","medline","norway-1"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Reports","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.nature.com/articles/s41598-026-65916-4_reference.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018224968","display_name":"Tailiang Jiang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I98227222","display_name":"China National Petroleum Corporation (China)","ror":"https://ror.org/05269d038","country_code":"CN","type":"company","lineage":["https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tailiang Jiang","raw_affiliation_strings":["Department of Geophysical, PetroChina Qinghai Oilfield Company, Dunhuang, 736202, China","Qinghai Province Key Laboratory of Plateau Saline-Lacustrine Basinal Oil&Gas Geology, Dunhuang, 736202, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geophysical, PetroChina Qinghai Oilfield Company, Dunhuang, 736202, China","institution_ids":["https://openalex.org/I98227222"]},{"raw_affiliation_string":"Qinghai Province Key Laboratory of Plateau Saline-Lacustrine Basinal Oil&Gas Geology, Dunhuang, 736202, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148099108","display_name":"Wei Song","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210112595","display_name":"Research Institute of Petroleum Exploration and Development","ror":"https://ror.org/02awe6g05","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210112595","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Song","raw_affiliation_strings":["Seismic Data Processing and Interpretation Center, Research Institute of Petroleum Exploration & Development-Northwest, PetroChina, Lanzhou, 730000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Seismic Data Processing and Interpretation Center, Research Institute of Petroleum Exploration & Development-Northwest, PetroChina, Lanzhou, 730000, China","institution_ids":["https://openalex.org/I4210112595"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148169213","display_name":"Bo Zhu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I98227222","display_name":"China National Petroleum Corporation (China)","ror":"https://ror.org/05269d038","country_code":"CN","type":"company","lineage":["https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Zhu","raw_affiliation_strings":["Department of Geophysical, PetroChina Qinghai Oilfield Company, Dunhuang, 736202, China","Qinghai Province Key Laboratory of Plateau Saline-Lacustrine Basinal Oil&Gas Geology, Dunhuang, 736202, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geophysical, PetroChina Qinghai Oilfield Company, Dunhuang, 736202, China","institution_ids":["https://openalex.org/I98227222"]},{"raw_affiliation_string":"Qinghai Province Key Laboratory of Plateau Saline-Lacustrine Basinal Oil&Gas Geology, Dunhuang, 736202, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037145037","display_name":"Quanbing Niu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I98227222","display_name":"China National Petroleum Corporation (China)","ror":"https://ror.org/05269d038","country_code":"CN","type":"company","lineage":["https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Quanbing Niu","raw_affiliation_strings":["Department of Geophysical, PetroChina Qinghai Oilfield Company, Dunhuang, 736202, China","Qinghai Province Key Laboratory of Plateau Saline-Lacustrine Basinal Oil&Gas Geology, Dunhuang, 736202, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geophysical, PetroChina Qinghai Oilfield Company, Dunhuang, 736202, China","institution_ids":["https://openalex.org/I98227222"]},{"raw_affiliation_string":"Qinghai Province Key Laboratory of Plateau Saline-Lacustrine Basinal Oil&Gas Geology, Dunhuang, 736202, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148116150","display_name":"Jinzhong Zhou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I98227222","display_name":"China National Petroleum Corporation (China)","ror":"https://ror.org/05269d038","country_code":"CN","type":"company","lineage":["https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinzhong Zhou","raw_affiliation_strings":["Department of Geophysical, PetroChina Qinghai Oilfield Company, Dunhuang, 736202, China","Qinghai Province Key Laboratory of Plateau Saline-Lacustrine Basinal Oil&Gas Geology, Dunhuang, 736202, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geophysical, PetroChina Qinghai Oilfield Company, Dunhuang, 736202, China","institution_ids":["https://openalex.org/I98227222"]},{"raw_affiliation_string":"Qinghai Province Key Laboratory of Plateau Saline-Lacustrine Basinal Oil&Gas Geology, Dunhuang, 736202, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5148049239","display_name":"Xichun Shao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210112595","display_name":"Research Institute of Petroleum Exploration and Development","ror":"https://ror.org/02awe6g05","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210112595","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xichun Shao","raw_affiliation_strings":["Seismic Data Processing and Interpretation Center, Research Institute of Petroleum Exploration & Development-Northwest, PetroChina, Lanzhou, 730000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Seismic Data Processing and Interpretation Center, Research Institute of Petroleum Exploration & Development-Northwest, PetroChina, Lanzhou, 730000, China","institution_ids":["https://openalex.org/I4210112595"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5148099108"],"corresponding_institution_ids":["https://openalex.org/I4210112595"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":{"value":2690,"currency":"USD","value_usd":2690},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.66948868,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.9487000107765198,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.9487000107765198,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.024299999698996544,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.010700000450015068,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/compressed-sensing","display_name":"compressed sensing","score":0.7990000247955322},{"id":"https://openalex.org/keywords/seismic-data-denoising","display_name":"seismic denoising","score":0.5820000171661377},{"id":"https://openalex.org/keywords/amplitude-preservation","display_name":"amplitude preservation","score":0.625},{"id":"https://openalex.org/keywords/nonconvex-regularization","display_name":"non-convex regularization","score":0.7730000019073486}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7411999702453613},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.7110000252723694},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.6855999827384949},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.6236000061035156},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5637999773025513},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5314000248908997},{"id":"https://openalex.org/C134765980","wikidata":"https://www.wikidata.org/wiki/Q879126","display_name":"Bitwise operation","level":2,"score":0.33899998664855957},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2800000011920929},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.2676999866962433},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.25049999356269836}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1038/s41598-026-65916-4","doi":"https://doi.org/10.1038/s41598-026-65916-4","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s41598-026-65916-4","pdf_url":"https://www.nature.com/articles/s41598-026-65916-4_reference.pdf","source":{"id":"https://openalex.org/S196734849","display_name":"Scientific Reports","issn_l":"2045-2322","issn":["2045-2322"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","jufo-1","ki-jl-1","medline","norway-1"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Reports","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1038/s41598-026-65916-4","doi":"https://doi.org/10.1038/s41598-026-65916-4","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s41598-026-65916-4","pdf_url":"https://www.nature.com/articles/s41598-026-65916-4_reference.pdf","source":{"id":"https://openalex.org/S196734849","display_name":"Scientific Reports","issn_l":"2045-2322","issn":["2045-2322"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","doyens","jufo-1","ki-jl-1","medline","norway-1"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Reports","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322469","display_name":"PetroChina Company Limited","ror":"https://ror.org/05269d038"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7204194875.pdf","grobid_xml":"https://content.openalex.org/works/W7204194875.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Conventional":[0],"seismic":[1,87],"data":[2,143],"often":[3,46],"suffer":[4],"from":[5],"narrow":[6],"bandwidth":[7,32,88],"and":[8,15,25,40,59,112,121,135,141],"limited":[9],"resolution":[10],"due":[11],"to":[12,71,75,130],"subsurface":[13],"absorption":[14],"acquisition":[16],"constraints,":[17],"hindering":[18],"the":[19,54,63,116,132,147,160,179],"precise":[20],"characterization":[21],"of":[22,178],"thin-interbedded":[23],"reservoirs":[24],"subtle":[26],"lithologic":[27],"traps.":[28],"Traditional":[29],"compressed":[30],"sensing-based":[31],"extension":[33,89],"methods":[34],"typically":[35],"employ":[36],"$$L_{1}$$":[37],"norm":[38],"regularization":[39],"soft-thresholding":[41],"operators.":[42],"However,":[43],"these":[44,81],"approaches":[45],"exhibit":[47],"a":[48,86,93,100,125,163,175],"\u201cconstant":[49],"bias\u201d":[50],"defect,":[51],"which":[52],"complicates":[53],"balance":[55],"between":[56,118],"noise":[57,119],"suppression":[58],"amplitude":[60,113,186],"fidelity.":[61,123],"Furthermore,":[62],"Fast":[64],"Iterative":[65],"Soft-Thresholding":[66],"Algorithm":[67],"(FISTA)":[68],"is":[69,128],"prone":[70],"convergence":[72,133,152],"oscillations,":[73],"leading":[74],"increased":[76],"computational":[77],"overhead.":[78],"To":[79],"address":[80],"challenges,":[82],"this":[83],"study":[84,98],"proposes":[85],"method":[90,149,161],"based":[91],"on":[92],"Restarted":[94],"FISTA":[95],"framework.":[96],"This":[97],"introduce":[99],"non-convex":[101],"\u201climited":[102],"shrinkage\u201d":[103],"thresholding":[104],"operator,":[105],"categorized":[106],"into":[107],"three":[108],"functional":[109],"zones\u2014denoising,":[110],"transition,":[111],"preservation\u2014to":[114],"optimize":[115],"trade-off":[117],"attenuation":[120],"signal":[122],"Concurrently,":[124],"restart":[126],"mechanism":[127],"integrated":[129],"stabilize":[131],"trajectory":[134],"mitigate":[136],"momentum-induced":[137],"oscillations.":[138],"Numerical":[139],"simulations":[140],"field":[142],"applications":[144],"demonstrate":[145],"that":[146],"proposed":[148],"achieves":[150],"faster":[151],"with":[153],"fewer":[154],"iterations":[155],"than":[156],"standard":[157],"FISTA.":[158],"Moreover,":[159],"yields":[162],"lower":[164],"normalized":[165],"root-mean-square":[166],"error":[167],"(NRMSE)":[168],"under":[169],"noisy":[170],"conditions.":[171],"Field":[172],"results":[173],"confirm":[174],"significant":[176],"broadening":[177],"effective":[180],"frequency":[181],"range":[182],"while":[183],"maintaining":[184],"physical":[185],"consistency.":[187]},"counts_by_year":[],"updated_date":"2026-09-23T05:00:35.095934","created_date":"2026-08-26T00:00:00"}