{"id":"https://openalex.org/W2147520702","doi":"https://doi.org/10.1109/icassp.2012.6288102","title":"A novel fast two step sub-pixel motion estimation algorithm in HEVC","display_name":"A novel fast two step sub-pixel motion estimation algorithm in HEVC","publication_year":2012,"publication_date":"2012-03-01","ids":{"openalex":"https://openalex.org/W2147520702","doi":"https://doi.org/10.1109/icassp.2012.6288102","mag":"2147520702"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2012.6288102","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2012.6288102","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5100671164","display_name":"Wei Dai","orcid":"https://orcid.org/0000-0002-7571-4863"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Wei Dai","raw_affiliation_strings":["Department of Electronic and Computer Engineering, HKUST, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, HKUST, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010546001","display_name":"Oscar C. Au","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Oscar C. Au","raw_affiliation_strings":["Department of Electronic and Computer Engineering, HKUST, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, HKUST, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024714464","display_name":"Chao Pang","orcid":"https://orcid.org/0000-0003-3501-2960"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chao Pang","raw_affiliation_strings":["Department of Electronic and Computer Engineering, HKUST, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, HKUST, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075221489","display_name":"Lin Sun","orcid":"https://orcid.org/0000-0002-2466-4632"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lin Sun","raw_affiliation_strings":["Department of Electronic and Computer Engineering, HKUST, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, HKUST, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024834389","display_name":"Ruobing Zou","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ruobing Zou","raw_affiliation_strings":["Department of Electronic and Computer Engineering, HKUST, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, HKUST, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100708323","display_name":"Sijin Li","orcid":"https://orcid.org/0000-0002-0628-0336"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Sijin Li","raw_affiliation_strings":["Department of Electronic and Computer Engineering, HKUST, Hong Kong, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, HKUST, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100671164"],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":1.7139,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.87991772,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1197","last_page":"1200"},"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":0.9993000030517578,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9983000159263611,"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":0.8942273855209351},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.7061722278594971},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5849242806434631},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.5761321187019348},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5514562726020813},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.4526996612548828},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.4148486256599426},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.41186124086380005},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3491950035095215},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.34838640689849854},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3226081132888794}],"concepts":[{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.8942273855209351},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.7061722278594971},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5849242806434631},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.5761321187019348},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5514562726020813},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.4526996612548828},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.4148486256599426},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.41186124086380005},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3491950035095215},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.34838640689849854},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3226081132888794},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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.2012.6288102","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2012.6288102","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-56256","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-56256","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W178701193","https://openalex.org/W2111417109","https://openalex.org/W2141109916","https://openalex.org/W2142978779","https://openalex.org/W2157032181","https://openalex.org/W4229654280","https://openalex.org/W6607201821"],"related_works":["https://openalex.org/W2085033728","https://openalex.org/W4285411112","https://openalex.org/W2171299904","https://openalex.org/W1647606319","https://openalex.org/W2922442631","https://openalex.org/W4390494008","https://openalex.org/W2053596378","https://openalex.org/W2168523118","https://openalex.org/W2073639911","https://openalex.org/W2043988397"],"abstract_inverted_index":{"Motion":[0],"estimation":[1],"(ME)":[2],"is":[3,26,58,98,104],"one":[4],"of":[5,38,67],"the":[6,35,64,68,78,83,101,108,116,121],"most":[7],"time":[8],"consuming":[9],"parts":[10],"in":[11],"video":[12],"coding":[13],"standard.":[14],"As":[15],"fast":[16,30,54],"integer-pixel":[17,43],"ME":[18,32,40,44,56],"algorithm":[19,33,57,61],"becoming":[20],"more":[21,23],"and":[22,76],"powerful,":[24],"it":[25],"important":[27],"to":[28,42,106],"develop":[29],"sub-pixel":[31,39,55,69,110,122],"since":[34],"computational":[36],"complexity":[37],"compared":[41],"has":[45],"become":[46],"relatively":[47],"significant.":[48],"In":[49],"this":[50],"paper,":[51],"a":[52,72,94],"novel":[53],"proposed.":[59],"This":[60],"first":[62],"approximates":[63],"error":[65],"surface":[66],"position":[70],"by":[71,81,100],"second":[73,90],"order":[74,91],"function":[75,84],"predicts":[77],"minimum":[79],"point":[80],"minimizing":[82],"at":[85],"half-pixel":[86],"accuracy.":[87],"Then":[88],"another":[89],"approximation":[92],"within":[93],"smaller":[95],"area":[96],"which":[97],"determined":[99],"previous":[102],"step":[103],"modeled":[105],"predict":[107],"best":[109],"position.":[111],"Experimental":[112],"results":[113],"show":[114],"that":[115],"proposed":[117],"method":[118],"can":[119],"reduce":[120],"search":[123],"points":[124],"significantly":[125],"with":[126],"negligible":[127],"quality":[128],"degradation.":[129]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
