{"id":"https://openalex.org/W1884161215","doi":"https://doi.org/10.1109/icassp.1987.1169466","title":"Two dimensional spectral estimation: A radon transform approach","display_name":"Two dimensional spectral estimation: A radon transform approach","publication_year":2005,"publication_date":"2005-03-24","ids":{"openalex":"https://openalex.org/W1884161215","doi":"https://doi.org/10.1109/icassp.1987.1169466","mag":"1884161215"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.1987.1169466","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1987.1169466","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '87. IEEE International Conference on Acoustics, Speech, and Signal Processing","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/A5113748267","display_name":"N. Srinivasa","orcid":null},"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":"N. Srinivasa","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Science, Bangalore, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Science, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053712998","display_name":"K. K. Ramakrishnan","orcid":"https://orcid.org/0000-0003-1849-5155"},"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":"K. Ramakrishnan","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Science, Bangalore, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Science, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111675677","display_name":"K. Rajgopal","orcid":null},"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":"K. Rajgopal","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Science, Bangalore, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Science, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I59270414"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":null,"first_page":"1533","last_page":"1536"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9976999759674072,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9976999759674072,"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/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9955999851226807,"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/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.9940999746322632,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/radon-transform","display_name":"Radon transform","score":0.8054016828536987},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7821895480155945},{"id":"https://openalex.org/keywords/spectral-density-estimation","display_name":"Spectral density estimation","score":0.6982932686805725},{"id":"https://openalex.org/keywords/separable-space","display_name":"Separable space","score":0.6050276160240173},{"id":"https://openalex.org/keywords/random-field","display_name":"Random field","score":0.5349278450012207},{"id":"https://openalex.org/keywords/spectral-density","display_name":"Spectral density","score":0.5331931114196777},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5231301188468933},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4719471335411072},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.470737099647522},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.46262240409851074},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3698563575744629},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.32937633991241455},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.20564806461334229},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.1939835548400879},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.14737999439239502}],"concepts":[{"id":"https://openalex.org/C197231052","wikidata":"https://www.wikidata.org/wiki/Q979829","display_name":"Radon transform","level":2,"score":0.8054016828536987},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7821895480155945},{"id":"https://openalex.org/C30049272","wikidata":"https://www.wikidata.org/wiki/Q6555326","display_name":"Spectral density estimation","level":3,"score":0.6982932686805725},{"id":"https://openalex.org/C70710897","wikidata":"https://www.wikidata.org/wiki/Q680081","display_name":"Separable space","level":2,"score":0.6050276160240173},{"id":"https://openalex.org/C130402806","wikidata":"https://www.wikidata.org/wiki/Q5361768","display_name":"Random field","level":2,"score":0.5349278450012207},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.5331931114196777},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5231301188468933},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4719471335411072},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.470737099647522},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.46262240409851074},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3698563575744629},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.32937633991241455},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.20564806461334229},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.1939835548400879},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.14737999439239502},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.1987.1169466","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1987.1169466","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '87. IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.iisc.ac.in:3748","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196309","display_name":"NOT FOUND REPOSITORY (Indian Institute of Science Bangalore)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I59270414","host_organization_name":"Indian Institute of Science Bangalore","host_organization_lineage":["https://openalex.org/I59270414"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W110641499","https://openalex.org/W1538509021","https://openalex.org/W1646533531","https://openalex.org/W1673292284","https://openalex.org/W1969526780","https://openalex.org/W2025737576","https://openalex.org/W2029807950","https://openalex.org/W2032322171","https://openalex.org/W2086627000","https://openalex.org/W2112106708","https://openalex.org/W2132066099","https://openalex.org/W2153985374","https://openalex.org/W2160426217","https://openalex.org/W2169599856","https://openalex.org/W2479525416","https://openalex.org/W3184787822","https://openalex.org/W4232272958"],"related_works":["https://openalex.org/W1538509021","https://openalex.org/W262848098","https://openalex.org/W2142116560","https://openalex.org/W1488610482","https://openalex.org/W1494615269","https://openalex.org/W1917904586","https://openalex.org/W2355015151","https://openalex.org/W2783211270","https://openalex.org/W2538870658","https://openalex.org/W1935517055"],"abstract_inverted_index":{"A":[0],"new":[1,110],"technique":[2],"for":[3],"2-D":[4,43,80],"spectral":[5],"estimation":[6,44,70],"of":[7,24,51,95,108,114],"a":[8,49,96],"stationary":[9,30],"random":[10,31],"field":[11],"(SRF)":[12],"is":[13,19,46,73,102],"investigated":[14],"in":[15,92],"this":[16,115],"paper.":[17],"This":[18,72],"based":[20],"on":[21],"the":[22,25,42,79,93,106,109],"extension":[23],"Radon":[26,40],"transform":[27,41],"theory":[28],"to":[29,48,104],"fields,":[32],"proposed":[33],"by":[34,86],"Jain":[35],"and":[36],"Ansari":[37],"[19].":[38],"Using":[39],"problem":[45],"reduced":[47],"set":[50],"1-D":[52,61,88],"independent":[53],"problems,":[54],"which":[55,77],"could":[56],"then":[57],"be":[58],"solved":[59],"using":[60,87],"Linear":[62],"Prediction":[63],"(LP)":[64],"or":[65],"any":[66],"other":[67],"high":[68,89],"resolution":[69,90],"procedure.":[71],"unlike":[74],"previous":[75],"methods":[76],"obtains":[78],"Power":[81],"Spectral":[82],"Density":[83],"(PSD)":[84],"estimate":[85],"techniques":[91],"spirit":[94],"separable":[97],"estimator":[98],"[2].":[99],"An":[100],"example":[101],"provided":[103],"illustrate":[105],"performance":[107],"technique.":[111],"Various":[112],"features":[113],"approach":[116],"are":[117],"highlighted.":[118]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
