{"id":"https://openalex.org/W1627560050","doi":"https://doi.org/10.1109/apccas.2002.1114911","title":"Design of linear phase with unequal length paraunitary filter banks with suboptimal coding gain","display_name":"Design of linear phase with unequal length paraunitary filter banks with suboptimal coding gain","publication_year":2003,"publication_date":"2003-06-26","ids":{"openalex":"https://openalex.org/W1627560050","doi":"https://doi.org/10.1109/apccas.2002.1114911","mag":"1627560050"},"language":"en","primary_location":{"id":"doi:10.1109/apccas.2002.1114911","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2002.1114911","pdf_url":null,"source":{"id":"https://openalex.org/S4306417752","display_name":"Asia Pacific Conference on Circuits and Systems","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asia-Pacific Conference on Circuits and Systems","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/A5109944783","display_name":"Akie Ochi","orcid":null},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"A. Ochi","raw_affiliation_strings":["Science and Technology, Keio University, Japan","Fac. of Sci. & Technol, Keio Univ., Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Science and Technology, Keio University, Japan","institution_ids":["https://openalex.org/I203951103"]},{"raw_affiliation_string":"Fac. of Sci. & Technol, Keio Univ., Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035169078","display_name":"Y. Kobayashi","orcid":null},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Kobayashi","raw_affiliation_strings":["Science and Technology, Keio University, Japan","Fac. of Sci. & Technol, Keio Univ., Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Science and Technology, Keio University, Japan","institution_ids":["https://openalex.org/I203951103"]},{"raw_affiliation_string":"Fac. of Sci. & Technol, Keio Univ., Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090181402","display_name":"Masaaki Ikehara","orcid":"https://orcid.org/0000-0003-3461-1507"},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Ikehara","raw_affiliation_strings":["Science and Technology, Keio University, Japan","Fac. of Sci. & Technol, Keio Univ., Yokohama, Japan"],"affiliations":[{"raw_affiliation_string":"Science and Technology, Keio University, Japan","institution_ids":["https://openalex.org/I203951103"]},{"raw_affiliation_string":"Fac. of Sci. & Technol, Keio Univ., Yokohama, Japan","institution_ids":["https://openalex.org/I203951103"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5109944783"],"corresponding_institution_ids":["https://openalex.org/I203951103"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12426901,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1","issue":null,"first_page":"73","last_page":"78"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11034","display_name":"Digital Filter Design and Implementation","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9984999895095825,"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":0.9937000274658203,"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/linear-phase","display_name":"Linear phase","score":0.7956934571266174},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.625824511051178},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5849364995956421},{"id":"https://openalex.org/keywords/filter-bank","display_name":"Filter bank","score":0.5652146339416504},{"id":"https://openalex.org/keywords/coding-gain","display_name":"Coding gain","score":0.5202221274375916},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.5173375010490417},{"id":"https://openalex.org/keywords/sub-band-coding","display_name":"Sub-band coding","score":0.4819614589214325},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4810252785682678},{"id":"https://openalex.org/keywords/ringing-artifacts","display_name":"Ringing artifacts","score":0.4479965269565582},{"id":"https://openalex.org/keywords/basis-function","display_name":"Basis function","score":0.4390372037887573},{"id":"https://openalex.org/keywords/linear-filter","display_name":"Linear filter","score":0.42177438735961914},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4003259837627411},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.358106404542923},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.2731729745864868},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13554543256759644},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.12725701928138733},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.08874350786209106}],"concepts":[{"id":"https://openalex.org/C20610874","wikidata":"https://www.wikidata.org/wiki/Q512136","display_name":"Linear phase","level":3,"score":0.7956934571266174},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.625824511051178},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5849364995956421},{"id":"https://openalex.org/C100515483","wikidata":"https://www.wikidata.org/wiki/Q3268235","display_name":"Filter bank","level":3,"score":0.5652146339416504},{"id":"https://openalex.org/C76862118","wikidata":"https://www.wikidata.org/wiki/Q1105671","display_name":"Coding gain","level":3,"score":0.5202221274375916},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.5173375010490417},{"id":"https://openalex.org/C98526533","wikidata":"https://www.wikidata.org/wiki/Q1691938","display_name":"Sub-band coding","level":3,"score":0.4819614589214325},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4810252785682678},{"id":"https://openalex.org/C17828673","wikidata":"https://www.wikidata.org/wiki/Q7334899","display_name":"Ringing artifacts","level":3,"score":0.4479965269565582},{"id":"https://openalex.org/C5917680","wikidata":"https://www.wikidata.org/wiki/Q2621825","display_name":"Basis function","level":2,"score":0.4390372037887573},{"id":"https://openalex.org/C139722471","wikidata":"https://www.wikidata.org/wiki/Q2619517","display_name":"Linear filter","level":3,"score":0.42177438735961914},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4003259837627411},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.358106404542923},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.2731729745864868},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13554543256759644},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.12725701928138733},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.08874350786209106},{"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apccas.2002.1114911","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2002.1114911","pdf_url":null,"source":{"id":"https://openalex.org/S4306417752","display_name":"Asia Pacific Conference on Circuits and Systems","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Asia-Pacific Conference on Circuits and Systems","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":13,"referenced_works":["https://openalex.org/W1481646516","https://openalex.org/W1592283614","https://openalex.org/W1658679052","https://openalex.org/W2114224054","https://openalex.org/W2125197041","https://openalex.org/W2149561020","https://openalex.org/W2150898789","https://openalex.org/W2153224722","https://openalex.org/W2157621526","https://openalex.org/W2159098365","https://openalex.org/W2162820608","https://openalex.org/W2163579760","https://openalex.org/W6682791211"],"related_works":["https://openalex.org/W3141056701","https://openalex.org/W2376098238","https://openalex.org/W2258140910","https://openalex.org/W2167000434","https://openalex.org/W2035331779","https://openalex.org/W3142444623","https://openalex.org/W2322930602","https://openalex.org/W2156437249","https://openalex.org/W42704991","https://openalex.org/W2071022498"],"abstract_inverted_index":{"In":[0,136],"this":[1,137],"paper,":[2,138],"we":[3,112,139,164],"present":[4],"a":[5,93],"design":[6,80,140],"of":[7,16,22,81,134],"M-channel":[8],"linear-phase":[9],"paraunitary":[10],"filter":[11,119,142],"banks":[12],"(LPPUFB),":[13],"with":[14,40],"filters":[15,159],"unequal":[17],"lengths":[18],"and":[19,44,87,110,153],"same":[20],"center":[21],"symmetry,":[23],"(ULPPUFB)":[24],"without":[25,143],"using":[26,92,144],"non-linear":[27,115,126,145],"optimization":[28,116,127],"algorithms.":[29,117],"ULPPUFB":[30,52,82,155],"can":[31,88],"be":[32,89,108],"viewed":[33],"as":[34],"generalized":[35],"lapped":[36],"orthogonal":[37],"transforms":[38],"(GenLOTs)":[39],"variable-length":[41],"basis":[42,55,67],"functions":[43,56,68],"are":[45,124],"used":[46,100],"in":[47,57,101],"block":[48],"transform-based":[49],"image":[50,102],"coding.":[51],"has":[53,83],"long":[54],"order":[58],"to":[59],"avoid":[60],"blocking":[61],"artifacts,":[62],"whereas":[63],"it":[64,98],"reserves":[65],"short":[66],"for":[69],"high-frequency":[70],"signal":[71],"components":[72],"like":[73],"edges,":[74],"thereby":[75],"limiting":[76],"ringing":[77],"artifacts.":[78],"The":[79],"already":[84],"been":[85],"shown":[86],"expressed":[90],"completely":[91],"lattice":[94,161],"structure.":[95],"However,":[96],"when":[97],"is":[99],"coding,":[103],"the":[104,150],"coding":[105],"gain":[106],"must":[107,113],"maximization,":[109],"then":[111],"use":[114],"When":[118],"length":[120],"or":[121],"channel":[122],"numbers":[123],"increased,":[125],"algorithms":[128],"would":[129],"necessitate":[130],"an":[131],"enormous":[132],"amount":[133],"calculation.":[135],"each":[141],"optimization,":[146],"directly":[147],"based":[148],"on":[149],"compaction":[151],"problem":[152],"implement":[154],"by":[156],"changing":[157],"these":[158],"into":[160],"structures.":[162],"Then,":[163],"show":[165],"their":[166],"validity.":[167]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}