{"id":"https://openalex.org/W3082639027","doi":"https://doi.org/10.1109/spcom50965.2020.9179569","title":"Sparse Plane-wave Decomposition for Upscaling Ambisonic Signals","display_name":"Sparse Plane-wave Decomposition for Upscaling Ambisonic Signals","publication_year":2020,"publication_date":"2020-07-01","ids":{"openalex":"https://openalex.org/W3082639027","doi":"https://doi.org/10.1109/spcom50965.2020.9179569","mag":"3082639027"},"language":"en","primary_location":{"id":"doi:10.1109/spcom50965.2020.9179569","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spcom50965.2020.9179569","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 International Conference on Signal Processing and Communications (SPCOM)","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/A5075895321","display_name":"Gyanajyoti Routray","orcid":"https://orcid.org/0000-0002-7310-9539"},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Gyanajyoti Routray","raw_affiliation_strings":["Indian Institute of Technology, Kanpur, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085503354","display_name":"Rajesh M. Hegde","orcid":"https://orcid.org/0000-0002-6142-7724"},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Rajesh M. Hegde","raw_affiliation_strings":["Indian Institute of Technology, Kanpur, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5075895321"],"corresponding_institution_ids":["https://openalex.org/I94234084"],"apc_list":null,"apc_paid":null,"fwci":0.1742,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.47068341,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"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/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9966999888420105,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9962999820709229,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/ambisonics","display_name":"Ambisonics","score":0.9959865808486938},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6711646318435669},{"id":"https://openalex.org/keywords/matching-pursuit","display_name":"Matching pursuit","score":0.5733557939529419},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47546857595443726},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4563771188259125},{"id":"https://openalex.org/keywords/plane","display_name":"Plane (geometry)","score":0.42495888471603394},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.41191041469573975},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3893544673919678},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.347719669342041},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3303943872451782},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.2653566002845764},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22947335243225098},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.21345773339271545},{"id":"https://openalex.org/keywords/loudspeaker","display_name":"Loudspeaker","score":0.13925719261169434},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.082823246717453}],"concepts":[{"id":"https://openalex.org/C47726159","wikidata":"https://www.wikidata.org/wiki/Q457547","display_name":"Ambisonics","level":3,"score":0.9959865808486938},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6711646318435669},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.5733557939529419},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47546857595443726},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4563771188259125},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.42495888471603394},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.41191041469573975},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3893544673919678},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.347719669342041},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3303943872451782},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.2653566002845764},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22947335243225098},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.21345773339271545},{"id":"https://openalex.org/C157138929","wikidata":"https://www.wikidata.org/wiki/Q570","display_name":"Loudspeaker","level":2,"score":0.13925719261169434},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.082823246717453},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spcom50965.2020.9179569","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spcom50965.2020.9179569","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 International Conference on Signal Processing and Communications (SPCOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6100000143051147,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1583730476","https://openalex.org/W1589215402","https://openalex.org/W1981184579","https://openalex.org/W2037814094","https://openalex.org/W2057209008","https://openalex.org/W2087726060","https://openalex.org/W2110403504","https://openalex.org/W2148667766","https://openalex.org/W2160681537","https://openalex.org/W2162409952","https://openalex.org/W2244744886","https://openalex.org/W2326419564","https://openalex.org/W2811486052","https://openalex.org/W2963429797","https://openalex.org/W4285787101","https://openalex.org/W6634826758","https://openalex.org/W6635161082","https://openalex.org/W6659849957","https://openalex.org/W6840332670"],"related_works":["https://openalex.org/W62656364","https://openalex.org/W4387871131","https://openalex.org/W2403497458","https://openalex.org/W2305368260","https://openalex.org/W3108333885","https://openalex.org/W1978521983","https://openalex.org/W3216979959","https://openalex.org/W4251115075","https://openalex.org/W2305616225","https://openalex.org/W4385225525"],"abstract_inverted_index":{"Lower":[0],"order":[1,18,50],"ambisonics":[2,19,30],"suffers":[3],"from":[4],"low":[5],"spatial":[6,105],"resolution,":[7],"where":[8],"hardware":[9],"complexity":[10],"is":[11,45,65,74],"high":[12],"for":[13,47],"direct":[14],"recording":[15],"the":[16,28,49,57,71,78,90],"higher":[17],"(HOA).":[20],"This":[21],"problem":[22],"can":[23],"be":[24],"solved":[25],"by":[26],"upscaling":[27,48,92],"order-l":[29],"(B-format":[31],"signals).":[32],"In":[33],"this":[34],"paper,":[35],"a":[36,101],"sparse":[37],"plane-wave":[38],"decomposition":[39],"method":[40,55,73],"using":[41],"sequential":[42],"matching":[43],"pursuit":[44],"developed":[46],"of":[51,70],"ambisonics.":[52],"The":[53,68],"proposed":[54,72],"maintains":[56],"same":[58],"sparsity":[59],"level":[60],"across":[61],"multiple":[62],"measurements":[63],"and":[64,83,87],"computationally":[66],"efficient.":[67],"performance":[69],"evaluated":[75],"based":[76],"on":[77],"error":[79],"in":[80,104],"encoded":[81],"signal":[82],"reconstructed":[84],"sound":[85],"field,":[86],"compared":[88],"with":[89],"state-of-art":[91],"techniques.":[93],"Perceptual":[94],"evaluations":[95],"are":[96],"also":[97],"conducted,":[98],"which":[99],"indicates":[100],"significant":[102],"improvement":[103],"resolution.":[106]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2022,"cited_by_count":2}],"updated_date":"2026-04-23T09:07:50.710637","created_date":"2025-10-10T00:00:00"}
