{"id":"https://openalex.org/W3180607184","doi":"https://doi.org/10.2352/issn.2470-1173.2021.10.ipas-260","title":"A Polar Coordinate Perspective on Motion Search in Video Coding","display_name":"A Polar Coordinate Perspective on Motion Search in Video Coding","publication_year":2021,"publication_date":"2021-01-18","ids":{"openalex":"https://openalex.org/W3180607184","doi":"https://doi.org/10.2352/issn.2470-1173.2021.10.ipas-260","mag":"3180607184"},"language":"en","primary_location":{"id":"doi:10.2352/issn.2470-1173.2021.10.ipas-260","is_oa":false,"landing_page_url":"https://doi.org/10.2352/issn.2470-1173.2021.10.ipas-260","pdf_url":null,"source":{"id":"https://openalex.org/S4210227276","display_name":"Electronic Imaging","issn_l":"2470-1173","issn":["2470-1173"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Imaging","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/A5046233912","display_name":"Jingning Han","orcid":"https://orcid.org/0000-0001-7168-2254"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Jingning Han","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022978855","display_name":"Paul Wilkin","orcid":"https://orcid.org/0000-0003-4982-7175"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Paul Wilkins","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5103766279","display_name":"Yaowu Xu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yaowu Xu","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5046233912"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07944557,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"33","issue":"10","first_page":"260","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9993000030517578,"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":0.9993000030517578,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9933000206947327,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9926999807357788,"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/perspective","display_name":"Perspective (graphical)","score":0.6884937882423401},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6770752668380737},{"id":"https://openalex.org/keywords/polar","display_name":"Polar","score":0.5768786072731018},{"id":"https://openalex.org/keywords/polar-motion","display_name":"Polar motion","score":0.5593810081481934},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.470103919506073},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4478060007095337},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.37346401810646057},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.297512412071228},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.2863572835922241},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.23062670230865479},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21339526772499084},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18097731471061707},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11288875341415405},{"id":"https://openalex.org/keywords/astronomy","display_name":"Astronomy","score":0.06705436110496521}],"concepts":[{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.6884937882423401},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6770752668380737},{"id":"https://openalex.org/C29705727","wikidata":"https://www.wikidata.org/wiki/Q294562","display_name":"Polar","level":2,"score":0.5768786072731018},{"id":"https://openalex.org/C46668750","wikidata":"https://www.wikidata.org/wiki/Q2167025","display_name":"Polar motion","level":3,"score":0.5593810081481934},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.470103919506073},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4478060007095337},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37346401810646057},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.297512412071228},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.2863572835922241},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.23062670230865479},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21339526772499084},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18097731471061707},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11288875341415405},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.06705436110496521},{"id":"https://openalex.org/C142670403","wikidata":"https://www.wikidata.org/wiki/Q244743","display_name":"Earth's rotation","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2352/issn.2470-1173.2021.10.ipas-260","is_oa":false,"landing_page_url":"https://doi.org/10.2352/issn.2470-1173.2021.10.ipas-260","pdf_url":null,"source":{"id":"https://openalex.org/S4210227276","display_name":"Electronic Imaging","issn_l":"2470-1173","issn":["2470-1173"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Imaging","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":0,"referenced_works":[],"related_works":["https://openalex.org/W2078195858","https://openalex.org/W2153161013","https://openalex.org/W1533299643","https://openalex.org/W1988635735","https://openalex.org/W4247197016","https://openalex.org/W167830822","https://openalex.org/W2362659704","https://openalex.org/W68755755","https://openalex.org/W2078888875","https://openalex.org/W2387889211"],"abstract_inverted_index":{"Video":[0],"coding":[1,8],"heavily":[2],"relies":[3],"on":[4],"motion":[5,21,90],"compensated":[6],"predictive":[7],"to":[9,113,130,173],"achieve":[10],"its":[11,36],"compression":[12,30,187],"efficiency.":[13,31],"As":[14],"a":[15,77,93,116,149,157,168,193],"central":[16],"component,":[17],"the":[18,24,48,56,72,89,97,106,131,137,143,174,182,190],"block":[19],"matching":[20],"search":[22,34,50,70,74,78,91,111,119,139,158,184],"exploits":[23],"tradeoff":[25],"between":[26,126,153],"encoder":[27,197],"complexity":[28,79,159],"and":[29,35,53],"The":[32,118],"diamond":[33,73,138,175],"variants":[37],"are":[38],"widely":[39],"used":[40,135],"in":[41,101,128,196],"video":[42],"encoders.":[43],"They":[44],"typically":[45],"start":[46],"with":[47,167],"largest":[49],"step":[51,57],"size":[52,58],"scale":[54],"down":[55,123],"by":[59,124,136,148],"half":[60],"at":[61,109,189],"each":[62,110],"stage":[63,112],"thereafter.":[64],"To":[65],"cover":[66],"an":[67,163],"N\u00d7N":[68,164],"pixel":[69,165],"region,":[71,166],"class":[75],"requires":[76],"of":[80,133,151,160,192],"O(logN)":[81,161],"check":[82],"points.":[83],"In":[84],"this":[85],"work,":[86],"we":[87],"view":[88],"as":[92,171],"sampling":[94,107,144],"problem":[95],"around":[96],"initial":[98],"reference":[99],"point":[100],"polar":[102],"coordinates.":[103],"We":[104],"modify":[105],"pattern":[108,185],"better":[114],"approximate":[115],"circle.":[117],"radius":[120],"is":[121,146,178],"scaled":[122],"\u221a2":[125],"stages,":[127],"contrast":[129],"factor":[132,150],"2":[134,152],"class,":[140],"such":[141],"that":[142,181],"density":[145],"increased":[147],"stages.":[154],"It":[155,177],"retains":[156],"over":[162],"linear":[169],"increment":[170],"compared":[172],"search.":[176],"experimentally":[179],"shown":[180],"proposed":[183],"provides":[186],"gains":[188],"expense":[191],"modest":[194],"increase":[195],"complexity.":[198]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
