{"id":"https://openalex.org/W2115012302","doi":"https://doi.org/10.1109/icip.2005.1530042","title":"Extended direct mode for hierarchical B picture coding","display_name":"Extended direct mode for hierarchical B picture coding","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W2115012302","doi":"https://doi.org/10.1109/icip.2005.1530042","mag":"2115012302"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2005.1530042","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2005.1530042","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Image 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/A5019589181","display_name":"Jiali Zheng","orcid":"https://orcid.org/0000-0001-7495-9124"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiali Zheng","raw_affiliation_strings":["Chinese Academy of Sciences, Institute of Computing Technology, Beijing, China","Institute of Computing Technology Chinese Academy of Sciences, Beijing, CN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Institute of Computing Technology, Beijing, China","institution_ids":["https://openalex.org/I4210090176","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Institute of Computing Technology Chinese Academy of Sciences, Beijing, CN","institution_ids":["https://openalex.org/I4210090176","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5098171269","display_name":"XiangyangJi","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"XiangyangJi","raw_affiliation_strings":["Inst. of Comput. Technol., Chinese Acad. of Sci., Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. of Comput. Technol., Chinese Acad. of Sci., Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054552539","display_name":"Guangnan Ni","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangnan Ni","raw_affiliation_strings":["Chinese Academy of Sciences, Institute of Computing Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Institute of Computing Technology, Beijing, China","institution_ids":["https://openalex.org/I4210090176","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037562051","display_name":"Wenxue Gao","orcid":"https://orcid.org/0000-0001-8030-8432"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210090176","display_name":"Institute of Computing Technology","ror":"https://ror.org/0090r4d87","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210090176"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen Gao","raw_affiliation_strings":["Chinese Academy of Sciences, Institute of Computing Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, Institute of Computing Technology, Beijing, China","institution_ids":["https://openalex.org/I4210090176","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101596622","display_name":"Feng Wu","orcid":"https://orcid.org/0000-0001-8451-0881"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Wu","raw_affiliation_strings":["Microsoft Research Asia Microsoft, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research Asia Microsoft, Beijing, China","institution_ids":["https://openalex.org/I4210113369"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3207,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.59112203,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"II","last_page":"265"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9995999932289124,"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/T10901","display_name":"Advanced Data Compression Techniques","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.684682309627533},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5781320929527283},{"id":"https://openalex.org/keywords/motion-vector","display_name":"Motion vector","score":0.5608643889427185},{"id":"https://openalex.org/keywords/quarter-pixel-motion","display_name":"Quarter-pixel motion","score":0.5301740169525146},{"id":"https://openalex.org/keywords/motion-compensation","display_name":"Motion compensation","score":0.5168343186378479},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.502373218536377},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4618934392929077},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.44638702273368835},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3803711533546448},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3736039698123932},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24435314536094666}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.684682309627533},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5781320929527283},{"id":"https://openalex.org/C2779020251","wikidata":"https://www.wikidata.org/wiki/Q3555171","display_name":"Motion vector","level":3,"score":0.5608643889427185},{"id":"https://openalex.org/C174493125","wikidata":"https://www.wikidata.org/wiki/Q1073461","display_name":"Quarter-pixel motion","level":3,"score":0.5301740169525146},{"id":"https://openalex.org/C128840427","wikidata":"https://www.wikidata.org/wiki/Q1302174","display_name":"Motion compensation","level":2,"score":0.5168343186378479},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.502373218536377},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4618934392929077},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.44638702273368835},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3803711533546448},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3736039698123932},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24435314536094666},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icip.2005.1530042","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2005.1530042","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Image Processing 2005","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.89.6925","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.89.6925","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/~fengwu/papers/direct_icip_05.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":3,"referenced_works":["https://openalex.org/W2132606272","https://openalex.org/W2154109833","https://openalex.org/W2335864408"],"related_works":["https://openalex.org/W839483973","https://openalex.org/W1579157894","https://openalex.org/W1969136679","https://openalex.org/W1530267862","https://openalex.org/W2156379140","https://openalex.org/W4241657933","https://openalex.org/W2143589929","https://openalex.org/W1579940903","https://openalex.org/W2366349316","https://openalex.org/W2120898383"],"abstract_inverted_index":{"In":[0],"3D":[1],"subband":[2],"coding,":[3],"motion-compensated":[4],"temporal":[5,19,42],"filtering":[6],"(MCTF)":[7],"technique,":[8],"especially":[9],"with":[10,36,58,127],"the":[11,18,30,37,41,71,82,110,115,148,157,164],"adaptive":[12],"5/3":[13,43],"wavelet":[14],"kernel,":[15],"efficiently":[16],"exploits":[17],"correlation":[20],"among":[21],"neighboring":[22],"pictures.":[23],"It":[24,154],"can":[25],"be":[26],"achieved":[27],"alternatively":[28],"by":[29,55],"hierarchical":[31,65,141],"B":[32,60,66,105,142],"picture":[33,143],"coding":[34,95,144],"technique":[35,51,103],"same":[38],"decomposition":[39],"as":[40],"lifting":[44],"structure":[45],"but":[46],"without":[47],"update":[48],"step.":[49],"This":[50],"has":[52],"been":[53],"supported":[54],"H.264/AVC":[56],"(2003)":[57],"stored":[59],"technique.":[61],"The":[62],"performance":[63],"of":[64,70,85,150,163],"obviously":[67],"outperforms":[68],"that":[69,109],"conventional":[72],"IBBP...GOP":[73],"structure.":[74],"Direct":[75],"mode":[76,139],"which":[77],"derives":[78],"motion":[79,96,112,129,152,161],"vectors":[80,97,113,162],"from":[81],"co-located":[83,165],"block":[84,125],"backward":[86,116,128,160],"reference":[87,117],"and":[88,159],"does":[89],"not":[90,119],"require":[91],"any":[92],"bits":[93],"for":[94,104,140,169],"is":[98,118],"a":[99],"very":[100],"efficient":[101],"bi-prediction":[102],"pictures":[106],"coding.":[107],"Considering":[108],"forward":[111,158],"in":[114,131,167],"available":[120],"when":[121],"it":[122],"belongs":[123],"to":[124,145],"only":[126],"vector,":[130],"this":[132],"paper,":[133],"we":[134],"propose":[135],"an":[136],"extended":[137],"direct":[138],"further":[146],"improve":[147],"accuracy":[149],"derived":[151],"vectors.":[153],"effectively":[155],"utilizes":[156],"blocks":[166],"references":[168],"scaling.":[170]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
