{"id":"https://openalex.org/W2124105154","doi":"https://doi.org/10.1145/2229087.2229112","title":"Sensor-assisted camera motion analysis and motion estimation improvement for H.264/AVC video encoding","display_name":"Sensor-assisted camera motion analysis and motion estimation improvement for H.264/AVC video encoding","publication_year":2012,"publication_date":"2012-06-07","ids":{"openalex":"https://openalex.org/W2124105154","doi":"https://doi.org/10.1145/2229087.2229112","mag":"2124105154"},"language":"en","primary_location":{"id":"doi:10.1145/2229087.2229112","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2229087.2229112","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 22nd international workshop on Network and Operating System Support for Digital Audio and Video","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/A5102000134","display_name":"Guanfeng Wang","orcid":"https://orcid.org/0000-0003-1111-1171"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Guanfeng Wang","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080282140","display_name":"Haiyang Ma","orcid":"https://orcid.org/0009-0001-1070-0110"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Haiyang Ma","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027747926","display_name":"Beomjoo Seo","orcid":"https://orcid.org/0000-0003-1398-8516"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Beomjoo Seo","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058575315","display_name":"Roger Zimmermann","orcid":"https://orcid.org/0000-0002-7410-2590"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Roger Zimmermann","raw_affiliation_strings":["National University of Singapore, Singapore, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I165932596"],"apc_list":null,"apc_paid":null,"fwci":1.3619,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.8372296,"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":"89","last_page":"94"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998999834060669,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9998999834060669,"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/T11439","display_name":"Video Analysis and Summarization","score":0.9998999834060669,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9994000196456909,"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":0.8623137474060059},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7496689558029175},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6711204051971436},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.6132001280784607},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.5686452984809875},{"id":"https://openalex.org/keywords/motion-compensation","display_name":"Motion compensation","score":0.5515215992927551},{"id":"https://openalex.org/keywords/quarter-pixel-motion","display_name":"Quarter-pixel motion","score":0.5458824634552002},{"id":"https://openalex.org/keywords/compass","display_name":"Compass","score":0.5147671699523926},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.44800031185150146},{"id":"https://openalex.org/keywords/camera-auto-calibration","display_name":"Camera auto-calibration","score":0.4318796992301941},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.42201024293899536},{"id":"https://openalex.org/keywords/camera-resectioning","display_name":"Camera resectioning","score":0.2813171148300171}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8623137474060059},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7496689558029175},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6711204051971436},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.6132001280784607},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.5686452984809875},{"id":"https://openalex.org/C128840427","wikidata":"https://www.wikidata.org/wiki/Q1302174","display_name":"Motion compensation","level":2,"score":0.5515215992927551},{"id":"https://openalex.org/C174493125","wikidata":"https://www.wikidata.org/wiki/Q1073461","display_name":"Quarter-pixel motion","level":3,"score":0.5458824634552002},{"id":"https://openalex.org/C2778361833","wikidata":"https://www.wikidata.org/wiki/Q34735","display_name":"Compass","level":2,"score":0.5147671699523926},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.44800031185150146},{"id":"https://openalex.org/C94816000","wikidata":"https://www.wikidata.org/wiki/Q5026006","display_name":"Camera auto-calibration","level":3,"score":0.4318796992301941},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.42201024293899536},{"id":"https://openalex.org/C110898773","wikidata":"https://www.wikidata.org/wiki/Q2933935","display_name":"Camera resectioning","level":2,"score":0.2813171148300171},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2229087.2229112","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2229087.2229112","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 22nd international workshop on Network and Operating System Support for Digital Audio and Video","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/78346","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/78346","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320709","display_name":"National Research Foundation Singapore","ror":"https://ror.org/03cpyc314"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1562451195","https://openalex.org/W1569068965","https://openalex.org/W1715106067","https://openalex.org/W1922375612","https://openalex.org/W1980967807","https://openalex.org/W1999440318","https://openalex.org/W2004472265","https://openalex.org/W2009398780","https://openalex.org/W2055754050","https://openalex.org/W2077055407","https://openalex.org/W2095863970","https://openalex.org/W2102161530","https://openalex.org/W2107369562","https://openalex.org/W2129646990","https://openalex.org/W2133888732","https://openalex.org/W2145244200","https://openalex.org/W2152009202","https://openalex.org/W2161182956"],"related_works":["https://openalex.org/W1579157894","https://openalex.org/W1530267862","https://openalex.org/W2153529351","https://openalex.org/W2016848112","https://openalex.org/W1967654336","https://openalex.org/W1541334882","https://openalex.org/W2157391823","https://openalex.org/W2040149295","https://openalex.org/W2140285056","https://openalex.org/W2169116484"],"abstract_inverted_index":{"Camera":[0],"motion":[1,28,141,157],"information":[2,29,81],"is":[3,30],"one":[4],"aspect":[5],"that":[6,163],"helps":[7],"to":[8,82,120,127,136,175],"infer":[9],"higher-level":[10],"semantic":[11],"descriptions":[12],"in":[13,18,107,144],"many":[14],"video":[15,19,51,180],"applications,":[16],"e.g.,":[17],"retrieval.":[20],"However,":[21],"an":[22,32],"efficient":[23,43],"methodology":[24],"for":[25,45],"annotating":[26],"camera":[27,58,95,156],"still":[31],"elusive":[33],"goal.":[34],"Here":[35],"we":[36,76,164],"propose":[37],"and":[38,42,55,64,97,126],"present":[39],"a":[40,50],"novel":[41],"approach":[44],"the":[46,78,90,94,98,112,139,145,152,167,170],"task":[47],"of":[48,92,103,115,154,169],"partitioning":[49],"document":[52],"into":[53],"sub-shots":[54,87],"characterizing":[56],"their":[57],"motion.":[59],"By":[60],"leveraging":[61],"location":[62,96],"(GPS)":[63],"digital":[65],"compass":[66],"data,":[67],"which":[68],"are":[69],"available":[70],"from":[71],"most":[72],"current":[73],"smartphone":[74],"handsets,":[75],"exploit":[77],"geographical":[79],"sensor":[80],"detect":[83],"transitions":[84],"between":[85],"two":[86],"based":[88],"on":[89,123],"variations":[91],"both":[93],"shooting":[99],"direction.":[100],"The":[101],"advantage":[102],"our":[104,116,155],"method":[105],"lies":[106],"its":[108],"considerable":[109],"accuracy.":[110],"Additionally,":[111],"computational":[113],"efficiency":[114],"scheme":[117],"enables":[118],"it":[119],"be":[121,149],"deployed":[122],"mobile":[124],"devices":[125],"process":[128],"videos":[129],"while":[130,177],"recording.":[131],"We":[132],"utilize":[133],"this":[134],"capability":[135],"show":[137,162],"how":[138],"HEX":[140,171],"estimation":[142],"algorithm":[143,172],"H.264/AVC":[146],"encoder":[147],"can":[148,165],"simplified":[150],"with":[151],"aid":[153],"information.":[158],"Our":[159],"experimental":[160],"results":[161],"reduce":[166],"computation":[168],"by":[173],"up":[174],"50%":[176],"achieving":[178],"comparable":[179],"quality.":[181]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}
