{"id":"https://openalex.org/W4408354499","doi":"https://doi.org/10.1109/icassp49660.2025.10890318","title":"Some Intriguing Observations on the Learnt Matrices in Deep Unfolded Networks","display_name":"Some Intriguing Observations on the Learnt Matrices in Deep Unfolded Networks","publication_year":2025,"publication_date":"2025-03-12","ids":{"openalex":"https://openalex.org/W4408354499","doi":"https://doi.org/10.1109/icassp49660.2025.10890318"},"language":"en","primary_location":{"id":"doi:10.1109/icassp49660.2025.10890318","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890318","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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":"https://openalex.org/A5067752920","display_name":"Kartheek Kumar Reddy Nareddy","orcid":"https://orcid.org/0000-0003-4586-5158"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Kartheek Kumar Reddy Nareddy","raw_affiliation_strings":["Indian Institute of Science,Department of Electrical Engineering,Bengaluru,560012"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Science,Department of Electrical Engineering,Bengaluru,560012","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5116594499","display_name":"Inbasekaran Perumal","orcid":null},"institutions":[{"id":"https://openalex.org/I11880225","display_name":"National Institute of Technology Karnataka","ror":"https://ror.org/01hz4v948","country_code":"IN","type":"education","lineage":["https://openalex.org/I11880225"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Inbasekaran Perumal","raw_affiliation_strings":["National Institute of Technology,Department of Electronics and Communication Engineering,Mangaluru,Karnataka,575025"],"affiliations":[{"raw_affiliation_string":"National Institute of Technology,Department of Electronics and Communication Engineering,Mangaluru,Karnataka,575025","institution_ids":["https://openalex.org/I11880225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005652970","display_name":"Chandra Sekhar Seelamantula","orcid":"https://orcid.org/0000-0001-9049-1912"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Chandra Sekhar Seelamantula","raw_affiliation_strings":["Indian Institute of Science,Department of Electrical Engineering,Bengaluru,560012"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Science,Department of Electrical Engineering,Bengaluru,560012","institution_ids":["https://openalex.org/I59270414"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5067752920"],"corresponding_institution_ids":["https://openalex.org/I59270414"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.02066028,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.9890999794006348,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.9890999794006348,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11347","display_name":"Neural Networks Stability and Synchronization","score":0.9380000233650208,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10057","display_name":"Face and Expression Recognition","score":0.9372000098228455,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5454488396644592},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3632001280784607}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5454488396644592},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3632001280784607}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp49660.2025.10890318","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp49660.2025.10890318","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:elib.dlr.de:214900","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ICASSP49660.2025.10890318>.","pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334771","display_name":"Science and Engineering Research Board","ror":"https://ror.org/03ffdsr55"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W143004564","https://openalex.org/W1497748561","https://openalex.org/W1965125844","https://openalex.org/W1975490585","https://openalex.org/W1978926712","https://openalex.org/W1996287810","https://openalex.org/W1999580681","https://openalex.org/W2012961725","https://openalex.org/W2018990310","https://openalex.org/W2034260606","https://openalex.org/W2074682976","https://openalex.org/W2080567893","https://openalex.org/W2082029531","https://openalex.org/W2082476922","https://openalex.org/W2089106993","https://openalex.org/W2091494211","https://openalex.org/W2100404464","https://openalex.org/W2100556411","https://openalex.org/W2104266187","https://openalex.org/W2115706991","https://openalex.org/W2119667497","https://openalex.org/W2122548617","https://openalex.org/W2127271355","https://openalex.org/W2128073813","https://openalex.org/W2135046866","https://openalex.org/W2136398689","https://openalex.org/W2140122025","https://openalex.org/W2145096794","https://openalex.org/W2176777789","https://openalex.org/W2289917018","https://openalex.org/W2293327468","https://openalex.org/W2619204584","https://openalex.org/W2620850570","https://openalex.org/W2773850766","https://openalex.org/W2784187484","https://openalex.org/W2798190016","https://openalex.org/W2798559986","https://openalex.org/W2938476239","https://openalex.org/W2962786165","https://openalex.org/W2969940716","https://openalex.org/W2972675027","https://openalex.org/W3134510327","https://openalex.org/W4234082531","https://openalex.org/W4235713725","https://openalex.org/W4250955649","https://openalex.org/W4300263211","https://openalex.org/W4378421672","https://openalex.org/W6677645113","https://openalex.org/W6729455701","https://openalex.org/W6754103055","https://openalex.org/W6757612955","https://openalex.org/W6793987254","https://openalex.org/W6794589823"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Deep-unfolded":[0],"networks":[1],"(DUNs)":[2],"have":[3,114,159],"set":[4],"new":[5],"performance":[6,49,74,179],"benchmarks":[7],"in":[8,111,164],"fields":[9],"such":[10],"as":[11],"compressed":[12],"sensing,":[13],"image":[14],"restoration,":[15],"and":[16],"wireless":[17],"communications.":[18],"DUNs":[19,66],"are":[20,54],"built":[21],"from":[22],"conventional":[23],"iterative":[24,52,77,101],"algorithms,":[25],"where":[26],"an":[27,170],"iteration":[28],"is":[29,124,150],"transformed":[30],"into":[31],"a":[32,35,88,160],"layer/block":[33],"of":[34,65,119,139],"network":[36],"with":[37,95],"learnable":[38],"parameters.":[39],"Despite":[40],"their":[41,47,51,72],"huge":[42],"success,":[43],"the":[44,63,82,108,121,136,140,147,155,176,182,186],"reasons":[45,70],"behind":[46,71],"superior":[48,73],"over":[50,75],"counterparts":[53],"not":[55],"fully":[56],"understood.":[57],"This":[58],"paper":[59],"focuses":[60],"on":[61,81,185],"enhancing":[62],"explainability":[64],"by":[67,180],"investigating":[68],"potential":[69],"traditional":[76],"methods.":[78],"We":[79,152,167],"concentrate":[80],"Learnt":[83],"Iterative":[84],"Shrinkage-Thresholding":[85],"Algorithm":[86],"(LISTA),":[87],"foundational":[89],"contribution":[90],"that":[91,107,135,154,173],"achieves":[92],"sparse":[93,177],"recovery":[94,178],"significantly":[96],"fewer":[97],"layers":[98],"than":[99],"its":[100],"counterpart,":[102],"ISTA.":[103],"Our":[104],"findings":[105,132],"reveal":[106],"learnt":[109,141],"matrices":[110,142],"LISTA":[112],"always":[113],"Gaussian":[115],"distributed":[116],"entries":[117],"regardless":[118],"whether":[120],"sensing":[122],"matrix":[123],"random":[125],"Gaussian,":[126],"Bernoulli,":[127],"exponential,":[128],"or":[129],"uniform.":[130],"The":[131],"also":[133,168],"show":[134],"singular":[137],"values":[138],"exceed":[143],"unity,":[144],"despite":[145],"which,":[146],"reconstruction":[148],"scheme":[149],"stable.":[151],"conjecture":[153],"activation":[156],"function":[157],"may":[158],"role":[161],"to":[162],"play":[163],"ensuring":[165],"stability.":[166],"present":[169],"unbiasing":[171],"technique":[172],"substantially":[174],"improves":[175],"reestimating":[181],"amplitudes":[183],"based":[184],"converged":[187],"support.":[188]},"counts_by_year":[],"updated_date":"2025-12-19T19:40:27.379048","created_date":"2025-10-10T00:00:00"}
