{"id":"https://openalex.org/W2969790139","doi":"https://doi.org/10.1145/3321701","title":"A Pseudo-likelihood Approach for Geo-localization of Events from Crowd-sourced Sensor-Metadata","display_name":"A Pseudo-likelihood Approach for Geo-localization of Events from Crowd-sourced Sensor-Metadata","publication_year":2019,"publication_date":"2019-08-20","ids":{"openalex":"https://openalex.org/W2969790139","doi":"https://doi.org/10.1145/3321701","mag":"2969790139"},"language":"en","primary_location":{"id":"doi:10.1145/3321701","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3321701","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","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/A5004473837","display_name":"Amit More","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Amit More","raw_affiliation_strings":["Indian Institute of Technology Bombay, Mumbai, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016405213","display_name":"Subhasis Chaudhuri","orcid":"https://orcid.org/0000-0002-1680-0016"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Subhasis Chaudhuri","raw_affiliation_strings":["Indian Institute of Technology Bombay, Mumbai, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5004473837"],"corresponding_institution_ids":["https://openalex.org/I162827531"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.08206466,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"15","issue":"3","first_page":"1","last_page":"26"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11439","display_name":"Video Analysis and Summarization","score":0.9998000264167786,"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/T11439","display_name":"Video Analysis and Summarization","score":0.9998000264167786,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9994000196456909,"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.996999979019165,"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/hidden-markov-model","display_name":"Hidden Markov model","score":0.7696516513824463},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7661190032958984},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.688694417476654},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.6800180077552795},{"id":"https://openalex.org/keywords/likelihood-function","display_name":"Likelihood function","score":0.6044803261756897},{"id":"https://openalex.org/keywords/compass","display_name":"Compass","score":0.5709344148635864},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.5195044279098511},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46115612983703613},{"id":"https://openalex.org/keywords/mixture-model","display_name":"Mixture model","score":0.4567914605140686},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.419027715921402},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3731847107410431},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.36251533031463623},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.23216068744659424},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.19616565108299255}],"concepts":[{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.7696516513824463},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7661190032958984},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.688694417476654},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.6800180077552795},{"id":"https://openalex.org/C89106044","wikidata":"https://www.wikidata.org/wiki/Q45284","display_name":"Likelihood function","level":3,"score":0.6044803261756897},{"id":"https://openalex.org/C2778361833","wikidata":"https://www.wikidata.org/wiki/Q34735","display_name":"Compass","level":2,"score":0.5709344148635864},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.5195044279098511},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46115612983703613},{"id":"https://openalex.org/C61224824","wikidata":"https://www.wikidata.org/wiki/Q2260434","display_name":"Mixture model","level":2,"score":0.4567914605140686},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.419027715921402},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3731847107410431},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.36251533031463623},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.23216068744659424},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.19616565108299255},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3321701","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3321701","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","raw_type":"journal-article"},{"id":"pmh:oai:dsapce.library.iitb.ac.in:100/26837","is_oa":false,"landing_page_url":"http://dspace.library.iitb.ac.in/xmlui/handle/100/26837","pdf_url":null,"source":{"id":"https://openalex.org/S4306400899","display_name":"DSpace (IIT Bombay)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I162827531","host_organization_name":"Indian Institute of Technology Bombay","host_organization_lineage":["https://openalex.org/I162827531"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.4099999964237213,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W28766783","https://openalex.org/W1499715726","https://openalex.org/W1585732313","https://openalex.org/W1644402181","https://openalex.org/W1904325426","https://openalex.org/W1941814769","https://openalex.org/W1964907620","https://openalex.org/W1968041911","https://openalex.org/W1971637499","https://openalex.org/W1976556524","https://openalex.org/W1979945541","https://openalex.org/W1982458149","https://openalex.org/W1982899738","https://openalex.org/W1986380025","https://openalex.org/W1987488988","https://openalex.org/W1987995612","https://openalex.org/W1999697564","https://openalex.org/W2010097736","https://openalex.org/W2026628370","https://openalex.org/W2028690229","https://openalex.org/W2037911443","https://openalex.org/W2041262394","https://openalex.org/W2070103877","https://openalex.org/W2085554865","https://openalex.org/W2096722213","https://openalex.org/W2121493770","https://openalex.org/W2135935434","https://openalex.org/W2139009685","https://openalex.org/W2156116778","https://openalex.org/W2161653775","https://openalex.org/W2165437895","https://openalex.org/W2165467062","https://openalex.org/W2171910605","https://openalex.org/W2276308126","https://openalex.org/W2313692530","https://openalex.org/W2320453482","https://openalex.org/W2406140636","https://openalex.org/W2467433685","https://openalex.org/W2501398002","https://openalex.org/W2524492124","https://openalex.org/W2527603760","https://openalex.org/W2551255781","https://openalex.org/W2563282991","https://openalex.org/W2566250940","https://openalex.org/W2589457653","https://openalex.org/W2595201844"],"related_works":["https://openalex.org/W2206872286","https://openalex.org/W2382913035","https://openalex.org/W2391335452","https://openalex.org/W2113447385","https://openalex.org/W2360876323","https://openalex.org/W2109954054","https://openalex.org/W2642723128","https://openalex.org/W4324119469","https://openalex.org/W2164868312","https://openalex.org/W2160650576"],"abstract_inverted_index":{"Events":[0],"such":[1,33,42,174],"as":[2,111,134,175,210,212],"live":[3],"concerts,":[4],"protest":[5],"marches,":[6],"and":[7,64,104,107,125,164],"exhibitions":[8],"are":[9,61,65,74,132,248],"often":[10],"video":[11,47],"recorded":[12],"by":[13],"many":[14],"people":[15],"at":[16],"the":[17,29,50,69,80,85,93,101,112,126,135,139,143,154,158,172,176,183,194,202,208,220,228,245],"same":[18],"time,":[19],"typically":[20],"using":[21,45,91,219],"smartphone":[22],"devices.":[23],"In":[24,79],"this":[25],"work,":[26,82],"we":[27,83],"address":[28],"problem":[30,44,86],"of":[31,49,142,251],"geo-localizing":[32],"events":[34],"from":[35,97,123,129],"crowd-generated":[36],"data.":[37,253],"Traditional":[38],"approaches":[39],"for":[40],"solving":[41],"a":[43,88,116,148,189,198,232],"multiple":[46],"sequences":[48],"event":[51,102,162,217],"would":[52],"require":[53],"highly":[54],"complex":[55,155],"computer":[56],"vision":[57],"(CV)":[58],"methods,":[59],"which":[60,196],"computation":[62,237],"intensive":[63],"not":[66],"robust":[67],"under":[68],"environment":[70],"where":[71],"visual":[72,252],"data":[73,214],"collected":[75],"through":[76],"crowd-sourced":[77],"medium.":[78],"present":[81],"approach":[84,191],"in":[87,115,171],"probabilistic":[89],"framework":[90],"only":[92,244],"sensor":[94,121,246],"metadata":[95,122,247],"obtained":[96],"smartphones.":[98],"We":[99,145,187],"model":[100],"location":[103,163],"camera":[105,165],"locations":[106],"orientations":[108],"(camera":[109],"parameters)":[110],"hidden":[113,140,159,180],"states":[114,141,160],"Hidden":[117],"Markov":[118],"Model.":[119],"The":[120,167,204,235],"GPS":[124],"digital":[127],"compass":[128],"user":[130],"smartphones":[131],"used":[133,147,249],"observations":[136],"associated":[137],"with":[138,225],"model.":[144],"have":[146],"suitable":[149],"potential":[150,177],"function":[151,178],"to":[152,192,201],"capture":[153],"interaction":[156],"between":[157],"(i.e.,":[161],"parameters).":[166],"non-Gaussian":[168],"densities":[169],"involved":[170],"model,":[173],"involving":[179],"states,":[181],"make":[182],"maximum-likelihood":[184],"estimation":[185],"intractable.":[186],"propose":[188],"pseudo-likelihood-based":[190],"maximize":[193],"approximate-likelihood,":[195],"provides":[197],"tractable":[199],"solution":[200],"problem.":[203],"experimental":[205],"results":[206],"on":[207],"simulated":[209],"well":[211],"real":[213],"show":[215],"correct":[216],"geo-localization":[218],"proposed":[221,229],"method.":[222],"When":[223],"compared":[224],"several":[226],"baselines":[227],"method":[230],"shows":[231],"superior":[233],"performance.":[234],"overall":[236],"time":[238],"required":[239],"is":[240],"much":[241],"smaller,":[242],"since":[243],"instead":[250]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
