{"id":"https://openalex.org/W2070145416","doi":"https://doi.org/10.1109/ssp.2014.6884635","title":"Music-based DOA estimation by oblique projection along the signal subspace","display_name":"Music-based DOA estimation by oblique projection along the signal subspace","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2070145416","doi":"https://doi.org/10.1109/ssp.2014.6884635","mag":"2070145416"},"language":"en","primary_location":{"id":"doi:10.1109/ssp.2014.6884635","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssp.2014.6884635","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Workshop on Statistical Signal Processing (SSP)","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/A5105269463","display_name":"Akira Tanaka","orcid":"https://orcid.org/0000-0003-0055-8234"},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Akira Tanaka","raw_affiliation_strings":["Division of Computer Science, Hokkaido University, Kita-ku, Sapporo, Japan","Div. of Computer Science, Hokkaido University, Sapporo, Japan#TAB#"],"affiliations":[{"raw_affiliation_string":"Division of Computer Science, Hokkaido University, Kita-ku, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]},{"raw_affiliation_string":"Div. of Computer Science, Hokkaido University, Sapporo, Japan#TAB#","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077220801","display_name":"Hideyuki Imai","orcid":"https://orcid.org/0000-0002-3793-1146"},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideyuki Imai","raw_affiliation_strings":["Division of Computer Science, Hokkaido University, Kita-ku, Sapporo, Japan","Div. of Computer Science, Hokkaido University, Sapporo, Japan#TAB#"],"affiliations":[{"raw_affiliation_string":"Division of Computer Science, Hokkaido University, Kita-ku, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]},{"raw_affiliation_string":"Div. of Computer Science, Hokkaido University, Sapporo, Japan#TAB#","institution_ids":["https://openalex.org/I205349734"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5105269463"],"corresponding_institution_ids":["https://openalex.org/I205349734"],"apc_list":null,"apc_paid":null,"fwci":0.2911,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.56979167,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"300","last_page":"303"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","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/T10860","display_name":"Speech and Audio Processing","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/T11698","display_name":"Underwater Acoustics Research","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.8846244812011719},{"id":"https://openalex.org/keywords/signal-subspace","display_name":"Signal subspace","score":0.744389533996582},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.662211537361145},{"id":"https://openalex.org/keywords/oblique-projection","display_name":"Oblique projection","score":0.6413813233375549},{"id":"https://openalex.org/keywords/random-subspace-method","display_name":"Random subspace method","score":0.5902488231658936},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5547230243682861},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.511221170425415},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49875688552856445},{"id":"https://openalex.org/keywords/orthographic-projection","display_name":"Orthographic projection","score":0.4935106039047241},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.43553924560546875},{"id":"https://openalex.org/keywords/orthogonal-complement","display_name":"Orthogonal complement","score":0.43217480182647705},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.38737139105796814},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3660902976989746},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3621360957622528},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3433387279510498},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.08340740203857422}],"concepts":[{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.8846244812011719},{"id":"https://openalex.org/C2777121530","wikidata":"https://www.wikidata.org/wiki/Q7512739","display_name":"Signal subspace","level":4,"score":0.744389533996582},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.662211537361145},{"id":"https://openalex.org/C161666082","wikidata":"https://www.wikidata.org/wiki/Q14551923","display_name":"Oblique projection","level":3,"score":0.6413813233375549},{"id":"https://openalex.org/C106135958","wikidata":"https://www.wikidata.org/wiki/Q7291993","display_name":"Random subspace method","level":3,"score":0.5902488231658936},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5547230243682861},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.511221170425415},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49875688552856445},{"id":"https://openalex.org/C175694140","wikidata":"https://www.wikidata.org/wiki/Q980329","display_name":"Orthographic projection","level":2,"score":0.4935106039047241},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.43553924560546875},{"id":"https://openalex.org/C154399039","wikidata":"https://www.wikidata.org/wiki/Q1780921","display_name":"Orthogonal complement","level":3,"score":0.43217480182647705},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.38737139105796814},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3660902976989746},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3621360957622528},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3433387279510498},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.08340740203857422},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ssp.2014.6884635","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssp.2014.6884635","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Workshop on Statistical Signal Processing (SSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4699999988079071,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1993088102","https://openalex.org/W2045740791","https://openalex.org/W2062788277","https://openalex.org/W2103665886","https://openalex.org/W2110473269","https://openalex.org/W2113638573","https://openalex.org/W2125187748","https://openalex.org/W2126700042","https://openalex.org/W2128131274","https://openalex.org/W2131929267","https://openalex.org/W2260859552","https://openalex.org/W2294245951","https://openalex.org/W6697290525"],"related_works":["https://openalex.org/W3021129567","https://openalex.org/W2320608497","https://openalex.org/W2033523051","https://openalex.org/W2358699617","https://openalex.org/W2321134774","https://openalex.org/W4251903213","https://openalex.org/W2029715993","https://openalex.org/W1986264582","https://openalex.org/W2557490777","https://openalex.org/W2070145416"],"abstract_inverted_index":{"In":[0,70],"the":[1,9,17,31,35,40,51,60,65,80,90,95,99,111,115,120],"MUSIC-based":[2,105],"direction":[3],"of":[4,12,34,45,54,89,98],"arrival":[5],"(DOA)":[6],"estimation":[7,62,107],"technique,":[8],"orthogonal":[10,32],"projection":[11],"a":[13,22,75,86,103],"steering":[14,43],"vector":[15],"onto":[16,114],"so-called":[18],"noise":[19,26,55,77,82,117],"subspace":[20,27,37,67,88,92,118],"plays":[21],"crucial":[23],"role.":[24],"The":[25],"is":[28,68,85],"defined":[29],"as":[30],"complement":[33],"signal":[36,66,91,121],"spanned":[38],"by":[39],"unknown":[41],"true":[42],"vectors":[44],"target":[46],"signals,":[47],"which":[48,84],"implies":[49],"that":[50],"correlation":[52,96],"structure":[53,97],"does":[56],"not":[57],"contribute":[58],"to":[59],"DOA":[61,106],"performance":[63],"after":[64],"specified.":[69],"this":[71],"paper,":[72],"we":[73],"introduce":[74],"novel":[76,104],"subspace,":[78,83],"called":[79],"proper":[81,116],"complementary":[87],"and":[93,101],"reflects":[94],"noise;":[100],"construct":[102],"algorithm":[108],"based":[109],"on":[110],"oblique":[112],"projector":[113],"along":[119],"subspace.":[122]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
