{"id":"https://openalex.org/W2121801034","doi":"https://doi.org/10.1109/tmm.2009.2012938","title":"Watermarked Movie Soundtrack Finds the Position of the Camcorder in a Theater","display_name":"Watermarked Movie Soundtrack Finds the Position of the Camcorder in a Theater","publication_year":2009,"publication_date":"2009-02-13","ids":{"openalex":"https://openalex.org/W2121801034","doi":"https://doi.org/10.1109/tmm.2009.2012938","mag":"2121801034"},"language":"en","primary_location":{"id":"doi:10.1109/tmm.2009.2012938","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2009.2012938","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Multimedia","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/A5065649079","display_name":"Yuta Nakashima","orcid":"https://orcid.org/0000-0001-8000-3567"},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"Osaka University","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Y. Nakashima","raw_affiliation_strings":["Graduate School of Engineering, Osaka University, Suita, Osaka, Japan","Grad. Sch. of Engieering, Osaka Univ., Suita"],"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Osaka University, Suita, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]},{"raw_affiliation_string":"Grad. Sch. of Engieering, Osaka Univ., Suita","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013412274","display_name":"Ryuki Tachibana","orcid":null},"institutions":[{"id":"https://openalex.org/I4210145865","display_name":"IBM Research - Tokyo","ror":"https://ror.org/04915qk43","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210145865"]},{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"R. Tachibana","raw_affiliation_strings":["Tokyo Research Laboratory, IBM Japan Limited, Kanagawa, Japan","Tokyo Res. Lab., IBM Japan, Tokyo"],"affiliations":[{"raw_affiliation_string":"Tokyo Research Laboratory, IBM Japan Limited, Kanagawa, Japan","institution_ids":["https://openalex.org/I4210145865"]},{"raw_affiliation_string":"Tokyo Res. Lab., IBM Japan, Tokyo","institution_ids":["https://openalex.org/I1341412227"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068454170","display_name":"Noboru Babaguchi","orcid":"https://orcid.org/0000-0003-3320-896X"},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"Osaka University","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"N. Babaguchi","raw_affiliation_strings":["Graduate School of Engineering, Osaka University, Suita, Osaka, Japan","Grad. Sch. of Engieering, Osaka Univ., Suita"],"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Osaka University, Suita, Osaka, Japan","institution_ids":["https://openalex.org/I98285908"]},{"raw_affiliation_string":"Grad. Sch. of Engieering, Osaka Univ., Suita","institution_ids":["https://openalex.org/I98285908"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5065649079"],"corresponding_institution_ids":["https://openalex.org/I98285908"],"apc_list":null,"apc_paid":null,"fwci":6.1478,"has_fulltext":false,"cited_by_count":57,"citation_normalized_percentile":{"value":0.96746392,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"11","issue":"3","first_page":"443","last_page":"454"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":1.0,"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":1.0,"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/T12357","display_name":"Digital Media Forensic Detection","score":0.9995999932289124,"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/T11309","display_name":"Music and Audio Processing","score":0.9918000102043152,"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/computer-science","display_name":"Computer science","score":0.8267220258712769},{"id":"https://openalex.org/keywords/watermark","display_name":"Watermark","score":0.7705695033073425},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6768558621406555},{"id":"https://openalex.org/keywords/digital-watermarking","display_name":"Digital watermarking","score":0.5844138264656067},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5840054154396057},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.5701043605804443},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.5274363160133362},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.22512969374656677}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8267220258712769},{"id":"https://openalex.org/C164112704","wikidata":"https://www.wikidata.org/wiki/Q7974348","display_name":"Watermark","level":3,"score":0.7705695033073425},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6768558621406555},{"id":"https://openalex.org/C150817343","wikidata":"https://www.wikidata.org/wiki/Q875932","display_name":"Digital watermarking","level":3,"score":0.5844138264656067},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5840054154396057},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.5701043605804443},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.5274363160133362},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.22512969374656677},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmm.2009.2012938","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2009.2012938","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Multimedia","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":22,"referenced_works":["https://openalex.org/W1502677980","https://openalex.org/W1653712242","https://openalex.org/W1963844140","https://openalex.org/W2013822004","https://openalex.org/W2041750608","https://openalex.org/W2043843997","https://openalex.org/W2048736930","https://openalex.org/W2067347513","https://openalex.org/W2070881099","https://openalex.org/W2091464361","https://openalex.org/W2103609317","https://openalex.org/W2126270135","https://openalex.org/W2150483631","https://openalex.org/W2150749698","https://openalex.org/W2164464333","https://openalex.org/W2570516957","https://openalex.org/W2912111095","https://openalex.org/W2913595044","https://openalex.org/W4246413347","https://openalex.org/W6630075782","https://openalex.org/W6682651712","https://openalex.org/W6758931601"],"related_works":["https://openalex.org/W2137394636","https://openalex.org/W2358993821","https://openalex.org/W1516446231","https://openalex.org/W2098152888","https://openalex.org/W1559740347","https://openalex.org/W2040356834","https://openalex.org/W2385289568","https://openalex.org/W2381486749","https://openalex.org/W1514507288","https://openalex.org/W2183032046"],"abstract_inverted_index":{"In":[0,20],"recent":[1],"years,":[2],"the":[3,36,55,65,72,81,107,113,118,124],"problem":[4],"of":[5,64,95,100,117],"camcorder":[6,28,42],"piracy":[7],"in":[8,18,71,86],"theaters":[9],"has":[10],"become":[11],"more":[12],"serious":[13],"due":[14],"to":[15,27],"technical":[16],"advances":[17],"camcorders.":[19],"this":[21],"paper,":[22],"as":[23],"a":[24,32,41,61,91],"new":[25],"deterrent":[26],"piracy,":[29],"we":[30],"propose":[31],"system":[33,47,82,126],"for":[34,54,129],"estimating":[35],"recording":[37,43,84],"position":[38],"from":[39],"which":[40,68],"is":[44,48,69,127],"made.":[45],"The":[46,98],"based":[49],"on":[50],"spread-spectrum":[51],"audio":[52],"watermarking":[53],"multichannel":[56],"movie":[57],"soundtrack.":[58,119],"It":[59],"utilizes":[60],"stochastic":[62],"model":[63],"detection":[66,74],"strength,":[67],"calculated":[70],"watermark":[73],"process.":[75],"Our":[76],"experimental":[77],"results":[78,99,121],"show":[79,106],"that":[80,123],"estimates":[83],"positions":[85],"an":[87],"actual":[88],"theater":[89],"with":[90],"mean":[92],"estimation":[93],"error":[94],"0.44":[96],"m.":[97],"our":[101],"MUSHRA":[102],"subjective":[103,114],"listening":[104],"tests":[105],"method":[108],"does":[109],"not":[110],"significantly":[111],"spoil":[112],"acoustic":[115],"quality":[116],"These":[120],"indicate":[122],"proposed":[125],"applicable":[128],"practical":[130],"uses.":[131]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":6}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}