{"id":"https://openalex.org/W1552086630","doi":"https://doi.org/10.1109/iscas.2003.1205832","title":"An efficient interleaved tree-structured almost-perfect reconstruction filterbank","display_name":"An efficient interleaved tree-structured almost-perfect reconstruction filterbank","publication_year":2003,"publication_date":"2003-11-04","ids":{"openalex":"https://openalex.org/W1552086630","doi":"https://doi.org/10.1109/iscas.2003.1205832","mag":"1552086630"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2003.1205832","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2003.1205832","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2003 International Symposium on Circuits and Systems, 2003. ISCAS '03.","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100341075","display_name":"Nan Li","orcid":"https://orcid.org/0000-0002-7588-8118"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Nan Li","raw_affiliation_strings":["Department of Electrical and computer Engineering, University of Alberta, Edmonton, AB, Canada","[Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and computer Engineering, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada]","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038678859","display_name":"B. Nowrouzian","orcid":null},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"B. Nowrouzian","raw_affiliation_strings":["Department of Electrical and computer Engineering, University of Alberta, Edmonton, AB, Canada","[Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and computer Engineering, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada]","institution_ids":["https://openalex.org/I154425047"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I154425047"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.05908028,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"4","issue":null,"first_page":"IV","last_page":"297"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11034","display_name":"Digital Filter Design and Implementation","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9833999872207642,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9711999893188477,"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/filter-bank","display_name":"Filter bank","score":0.8935821652412415},{"id":"https://openalex.org/keywords/interleaving","display_name":"Interleaving","score":0.819175124168396},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5621408224105835},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5616041421890259},{"id":"https://openalex.org/keywords/finite-impulse-response","display_name":"Finite impulse response","score":0.5094190239906311},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4687008559703827},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.44883131980895996},{"id":"https://openalex.org/keywords/multiplier","display_name":"Multiplier (economics)","score":0.4377164840698242},{"id":"https://openalex.org/keywords/digital-filter","display_name":"Digital filter","score":0.43600282073020935},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.41900333762168884},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.41736841201782227},{"id":"https://openalex.org/keywords/low-pass-filter","display_name":"Low-pass filter","score":0.4139120280742645},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35516223311424255},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1913822889328003},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13139572739601135},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.09008234739303589}],"concepts":[{"id":"https://openalex.org/C100515483","wikidata":"https://www.wikidata.org/wiki/Q3268235","display_name":"Filter bank","level":3,"score":0.8935821652412415},{"id":"https://openalex.org/C28034677","wikidata":"https://www.wikidata.org/wiki/Q17092530","display_name":"Interleaving","level":2,"score":0.819175124168396},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5621408224105835},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5616041421890259},{"id":"https://openalex.org/C198386975","wikidata":"https://www.wikidata.org/wiki/Q117785","display_name":"Finite impulse response","level":2,"score":0.5094190239906311},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4687008559703827},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.44883131980895996},{"id":"https://openalex.org/C124584101","wikidata":"https://www.wikidata.org/wiki/Q1053266","display_name":"Multiplier (economics)","level":2,"score":0.4377164840698242},{"id":"https://openalex.org/C36390408","wikidata":"https://www.wikidata.org/wiki/Q1163067","display_name":"Digital filter","level":3,"score":0.43600282073020935},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.41900333762168884},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.41736841201782227},{"id":"https://openalex.org/C44682112","wikidata":"https://www.wikidata.org/wiki/Q918242","display_name":"Low-pass filter","level":3,"score":0.4139120280742645},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35516223311424255},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1913822889328003},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13139572739601135},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.09008234739303589},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2003.1205832","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2003.1205832","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2003 International Symposium on Circuits and Systems, 2003. ISCAS '03.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1481646516","https://openalex.org/W2005014395","https://openalex.org/W2109987625","https://openalex.org/W2115347601","https://openalex.org/W6628727242"],"related_works":["https://openalex.org/W2085219086","https://openalex.org/W2141599702","https://openalex.org/W2810377961","https://openalex.org/W2046083070","https://openalex.org/W1505918581","https://openalex.org/W2188078572","https://openalex.org/W2031512523","https://openalex.org/W2379702749","https://openalex.org/W1751484597","https://openalex.org/W2167334192"],"abstract_inverted_index":{"In":[0],"the":[1,5,10,18,25,29,35,53,62,96,100,113,118],"conventional":[2,97],"DFT":[3,98],"filterbanks,":[4,99],"required":[6],"transition":[7],"bandwidth":[8],"of":[9,20,27,44,55,69,107,115,120],"constituent":[11],"prototype":[12,30],"filter":[13,31],"becomes":[14],"narrower":[15],"with":[16,65],"increasing":[17],"number":[19,43,68,106,114],"subbands.":[21,45],"This":[22,46],"happens":[23],"at":[24],"expense":[26],"making":[28],"length":[32],"longer,":[33],"rendering":[34],"corresponding":[36],"hardware":[37],"implementation":[38],"impractical":[39],"beyond":[40],"a":[41,66,75],"certain":[42],"paper":[47],"presents":[48],"an":[49],"alternative":[50],"approach":[51],"to":[52,125],"design":[54,119],"almost-perfect":[56],"reconstruction":[57],"(almost-PR)":[58],"filterbanks":[59],"which":[60],"circumvents":[61],"problem":[63],"associated":[64],"large":[67],"subchannels.":[70],"The":[71],"resulting":[72,101],"filterbank":[73,102,123],"has":[74],"multi-stage":[76],"tree-structured":[77,122],"configuration,":[78],"and":[79,111],"can":[80],"be":[81,126],"efficiently":[82],"implemented":[83],"by":[84],"using":[85],"interleaving":[86],"techniques":[87],"(to":[88],"eliminate":[89],"all":[90],"identical":[91],"short-length":[92],"digital":[93],"filters).":[94],"Unlike":[95],"requires":[103],"much":[104],"smaller":[105],"non-zero":[108],"multiplier":[109],"coefficients,":[110],"when":[112],"subchannels":[116],"changes,":[117],"this":[121],"needs":[124],"modified":[127],"only":[128],"slightly.":[129]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}