{"id":"https://openalex.org/W2143019643","doi":"https://doi.org/10.1109/icassp.2005.1415551","title":"Prediction-Based Directional Fractional Pixel Motion Estimation for H.264 Video Coding","display_name":"Prediction-Based Directional Fractional Pixel Motion Estimation for H.264 Video Coding","publication_year":2006,"publication_date":"2006-10-11","ids":{"openalex":"https://openalex.org/W2143019643","doi":"https://doi.org/10.1109/icassp.2005.1415551","mag":"2143019643"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2005.1415551","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2005.1415551","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. (ICASSP '05). IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005.","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/A5101744061","display_name":"Libo Yang","orcid":"https://orcid.org/0000-0003-2643-7086"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Libo Yang","raw_affiliation_strings":["Department of Information and Electronic Engineering, University of Zhejiang, Hangzhou, China","Dept. of Information & Electron. Eng., Zhejiang Univ., Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Department of Information and Electronic Engineering, University of Zhejiang, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"Dept. of Information & Electron. Eng., Zhejiang Univ., Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087082752","display_name":"Keman Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]},{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Keman Yu","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China","MICROSOFT CORP. (REDMOND, WA, US)"],"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]},{"raw_affiliation_string":"MICROSOFT CORP. (REDMOND, WA, US)","institution_ids":["https://openalex.org/I1290206253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035047099","display_name":"Jiang Li","orcid":"https://orcid.org/0000-0003-1711-8614"},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]},{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Jiang Li","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China","MICROSOFT CORP. (REDMOND, WA, US)"],"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]},{"raw_affiliation_string":"MICROSOFT CORP. (REDMOND, WA, US)","institution_ids":["https://openalex.org/I1290206253"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100321089","display_name":"Shipeng Li","orcid":"https://orcid.org/0000-0001-5368-4256"},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]},{"id":"https://openalex.org/I4210113369","display_name":"Microsoft Research Asia (China)","ror":"https://ror.org/0300m5276","country_code":"CN","type":"company","lineage":["https://openalex.org/I1290206253","https://openalex.org/I4210113369"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Shipeng Li","raw_affiliation_strings":["Microsoft Research Asia, Beijing, China","MICROSOFT CORP. (REDMOND, WA, US)"],"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]},{"raw_affiliation_string":"MICROSOFT CORP. (REDMOND, WA, US)","institution_ids":["https://openalex.org/I1290206253"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101744061"],"corresponding_institution_ids":["https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":3.5465,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.93055758,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"2","issue":null,"first_page":"901","last_page":"904"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":1.0,"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"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9990000128746033,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9958000183105469,"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/pixel","display_name":"Pixel","score":0.8221004009246826},{"id":"https://openalex.org/keywords/motion-vector","display_name":"Motion vector","score":0.7182360887527466},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.6427677869796753},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.6301496028900146},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6195641160011292},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.4948658347129822},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.489286869764328},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.46458202600479126},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.461836576461792},{"id":"https://openalex.org/keywords/search-algorithm","display_name":"Search algorithm","score":0.44944196939468384},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.44183412194252014},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.41607797145843506},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.20123913884162903}],"concepts":[{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.8221004009246826},{"id":"https://openalex.org/C2779020251","wikidata":"https://www.wikidata.org/wiki/Q3555171","display_name":"Motion vector","level":3,"score":0.7182360887527466},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.6427677869796753},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.6301496028900146},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6195641160011292},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.4948658347129822},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.489286869764328},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.46458202600479126},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.461836576461792},{"id":"https://openalex.org/C125583679","wikidata":"https://www.wikidata.org/wiki/Q755673","display_name":"Search algorithm","level":2,"score":0.44944196939468384},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.44183412194252014},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.41607797145843506},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.20123913884162903},{"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/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.2005.1415551","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2005.1415551","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. (ICASSP '05). IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005.","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.127.4426","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.127.4426","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://research.microsoft.com/asia/dload_files/group/mcom/2005/predictiondf.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1546312742","https://openalex.org/W1582728832","https://openalex.org/W1606105048","https://openalex.org/W1681257197","https://openalex.org/W1933961863","https://openalex.org/W2014506555","https://openalex.org/W2039181402","https://openalex.org/W2145251738","https://openalex.org/W2153416280","https://openalex.org/W2249108634","https://openalex.org/W6637623144","https://openalex.org/W6640464838","https://openalex.org/W6653933184","https://openalex.org/W6682747903"],"related_works":["https://openalex.org/W2123542128","https://openalex.org/W2359283502","https://openalex.org/W2020983848","https://openalex.org/W2104480983","https://openalex.org/W2108647612","https://openalex.org/W2249847398","https://openalex.org/W2116115869","https://openalex.org/W1964420331","https://openalex.org/W1992336909","https://openalex.org/W2088666112"],"abstract_inverted_index":{"In":[0],"an":[1,90],"H.264":[2],"video":[3],"encoder,":[4],"motion":[5,76],"estimation":[6],"(ME)":[7],"is":[8],"the":[9,28,43,57,96,106,112,119],"most":[10],"time-consuming":[11],"component.":[12],"The":[13],"ME":[14,41,50,70,110,115],"process":[15],"consists":[16],"of":[17,30,59,98,129],"two":[18],"stages,":[19],"integer":[20,31],"pixel":[21,25,32,49,61,69,131],"search":[22,33,81,108,132],"and":[23,79,111,127],"fractional":[24,48,60,68,130],"search.":[26,99],"Since":[27],"complexity":[29,58],"has":[34,51],"been":[35],"greatly":[36],"reduced":[37],"by":[38,47],"numerous":[39],"fast":[40,113],"algorithms,":[42],"computation":[44,85],"overhead":[45],"required":[46],"become":[52],"relatively":[53],"significant.":[54],"To":[55],"reduce":[56,123],"ME,":[62],"we":[63],"propose":[64,89],"a":[65,136],"prediction-based":[66],"directional":[67,80],"algorithm.":[71],"We":[72,87],"utilize":[73],"more":[74],"accurate":[75],"vector":[77],"predictions":[78],"to":[82,94,105,125],"achieve":[83],"better":[84],"reduction.":[86],"further":[88],"early":[91],"termination":[92],"method":[93,121],"decrease":[95],"amount":[97],"Experimental":[100],"results":[101],"show":[102],"that,":[103],"compared":[104],"full":[107],"sub-pel":[109,114],"proposed":[116,120],"in":[117,139],"H.264,":[118],"can":[122],"up":[124],"84%":[126],"74%":[128],"points":[133],"respectively,":[134],"with":[135],"negligible":[137],"degradation":[138],"quality.":[140]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}