{"id":"https://openalex.org/W2058639616","doi":"https://doi.org/10.1016/0020-0255(91)90074-5","title":"Geometry and multiple direction estimation","display_name":"Geometry and multiple direction estimation","publication_year":1991,"publication_date":"1991-09-01","ids":{"openalex":"https://openalex.org/W2058639616","doi":"https://doi.org/10.1016/0020-0255(91)90074-5","mag":"2058639616"},"language":"en","primary_location":{"id":"doi:10.1016/0020-0255(91)90074-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0255(91)90074-5","pdf_url":null,"source":{"id":"https://openalex.org/S192650101","display_name":"Information Sciences","issn_l":"0020-0255","issn":["0020-0255","1872-6291"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Sciences","raw_type":"journal-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/A5108495322","display_name":"R. S. Bucy","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"R.S. Bucy","raw_affiliation_strings":["University of Southern California, Los Angeles, California 90089-1191 USA","University of Southern California , Los Angeles, California, 90089-1191, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Southern California, Los Angeles, California 90089-1191 USA","institution_ids":["https://openalex.org/I1174212"]},{"raw_affiliation_string":"University of Southern California , Los Angeles, California, 90089-1191, USA","institution_ids":["https://openalex.org/I1174212"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5108495322"],"corresponding_institution_ids":["https://openalex.org/I1174212"],"apc_list":{"value":3200,"currency":"USD","value_usd":3200},"apc_paid":null,"fwci":0.415,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.61293303,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"57-58","issue":null,"first_page":"145","last_page":"158"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12417","display_name":"Morphological variations and asymmetry","score":0.9753999710083008,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12417","display_name":"Morphological variations and asymmetry","score":0.9753999710083008,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13080","display_name":"Advanced Differential Geometry Research","score":0.9632999897003174,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11680","display_name":"Advanced Algebra and Geometry","score":0.9616000056266785,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/grassmannian","display_name":"Grassmannian","score":0.7491132020950317},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6561988592147827},{"id":"https://openalex.org/keywords/manifold","display_name":"Manifold (fluid mechanics)","score":0.6046228408813477},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.5217602849006653},{"id":"https://openalex.org/keywords/bayes-theorem","display_name":"Bayes' theorem","score":0.4900907278060913},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.4753779470920563},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3662053942680359},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.35932859778404236},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.350044846534729},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.3005608916282654}],"concepts":[{"id":"https://openalex.org/C162929932","wikidata":"https://www.wikidata.org/wiki/Q129638","display_name":"Grassmannian","level":2,"score":0.7491132020950317},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6561988592147827},{"id":"https://openalex.org/C529865628","wikidata":"https://www.wikidata.org/wiki/Q1790740","display_name":"Manifold (fluid mechanics)","level":2,"score":0.6046228408813477},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.5217602849006653},{"id":"https://openalex.org/C207201462","wikidata":"https://www.wikidata.org/wiki/Q182505","display_name":"Bayes' theorem","level":3,"score":0.4900907278060913},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.4753779470920563},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3662053942680359},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.35932859778404236},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.350044846534729},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.3005608916282654},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0020-0255(91)90074-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0255(91)90074-5","pdf_url":null,"source":{"id":"https://openalex.org/S192650101","display_name":"Information Sciences","issn_l":"0020-0255","issn":["0020-0255","1872-6291"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Sciences","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":38,"referenced_works":["https://openalex.org/W179392144","https://openalex.org/W190716338","https://openalex.org/W1519208961","https://openalex.org/W1527329021","https://openalex.org/W1533668960","https://openalex.org/W1546253563","https://openalex.org/W1550811807","https://openalex.org/W1976422186","https://openalex.org/W1988027979","https://openalex.org/W1994326415","https://openalex.org/W1996931690","https://openalex.org/W2008746375","https://openalex.org/W2009188663","https://openalex.org/W2025341678","https://openalex.org/W2030183411","https://openalex.org/W2087127809","https://openalex.org/W2128705329","https://openalex.org/W2143512461","https://openalex.org/W2264164139","https://openalex.org/W2294798173","https://openalex.org/W2319624714","https://openalex.org/W2323319485","https://openalex.org/W2323857126","https://openalex.org/W2541668934","https://openalex.org/W2546781473","https://openalex.org/W2572022181","https://openalex.org/W2749907801","https://openalex.org/W2797068740","https://openalex.org/W2798909945","https://openalex.org/W3038698521","https://openalex.org/W4238980963","https://openalex.org/W6607684825","https://openalex.org/W6649648916","https://openalex.org/W6652632244","https://openalex.org/W6672468628","https://openalex.org/W6693022933","https://openalex.org/W6728681322","https://openalex.org/W6729428218"],"related_works":["https://openalex.org/W4297683751","https://openalex.org/W2949222060","https://openalex.org/W4298056360","https://openalex.org/W2899451587","https://openalex.org/W2067929456","https://openalex.org/W2345391861","https://openalex.org/W2891960123","https://openalex.org/W1494127436","https://openalex.org/W2807858721","https://openalex.org/W1804640662"],"abstract_inverted_index":null,"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}