{"id":"https://openalex.org/W4411186943","doi":"https://doi.org/10.3390/sym17060913","title":"Ultra-Low Bitrate Predictive Portrait Video Compression with Diffusion Models","display_name":"Ultra-Low Bitrate Predictive Portrait Video Compression with Diffusion Models","publication_year":2025,"publication_date":"2025-06-10","ids":{"openalex":"https://openalex.org/W4411186943","doi":"https://doi.org/10.3390/sym17060913"},"language":"en","primary_location":{"id":"doi:10.3390/sym17060913","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym17060913","pdf_url":"https://www.mdpi.com/2073-8994/17/6/913/pdf?version=1749541573","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2073-8994/17/6/913/pdf?version=1749541573","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5033735661","display_name":"Xinyi Chen","orcid":"https://orcid.org/0000-0002-6026-8020"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyi Chen","raw_affiliation_strings":["The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China"],"raw_orcid":"https://orcid.org/0000-0002-6026-8020","affiliations":[{"raw_affiliation_string":"The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037663621","display_name":"Weimin Lei","orcid":"https://orcid.org/0000-0003-1877-7355"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Weimin Lei","raw_affiliation_strings":["The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China"],"raw_orcid":"https://orcid.org/0000-0003-1877-7355","affiliations":[{"raw_affiliation_string":"The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100638649","display_name":"Wei Zhang","orcid":"https://orcid.org/0000-0001-7446-4025"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Zhang","raw_affiliation_strings":["The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China"],"raw_orcid":"https://orcid.org/0000-0001-7446-4025","affiliations":[{"raw_affiliation_string":"The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032652245","display_name":"Yanwen Wang","orcid":"https://orcid.org/0009-0001-5471-6296"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanwen Wang","raw_affiliation_strings":["The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China"],"raw_orcid":"https://orcid.org/0009-0001-5471-6296","affiliations":[{"raw_affiliation_string":"The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"last","author":{"id":null,"display_name":"Mingxin Liu","orcid":"https://orcid.org/0009-0000-7070-8707"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingxin Liu","raw_affiliation_strings":["The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China"],"raw_orcid":"https://orcid.org/0009-0000-7070-8707","affiliations":[{"raw_affiliation_string":"The School of Computer Science and Engineering, Northeastern University, Shenyang 110169, China","institution_ids":["https://openalex.org/I9224756"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5037663621"],"corresponding_institution_ids":["https://openalex.org/I9224756"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2227},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2227},"fwci":0.5475,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.63440409,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"17","issue":"6","first_page":"913","last_page":"913"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":1.0,"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/T10901","display_name":"Advanced Data Compression Techniques","score":1.0,"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":0.9997000098228455,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9976999759674072,"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":0.6413438320159912},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.5502670407295227},{"id":"https://openalex.org/keywords/compression","display_name":"Compression (physics)","score":0.5285108685493469},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.36237382888793945},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09790968894958496}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6413438320159912},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.5502670407295227},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.5285108685493469},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.36237382888793945},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09790968894958496},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3390/sym17060913","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym17060913","pdf_url":"https://www.mdpi.com/2073-8994/17/6/913/pdf?version=1749541573","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.3390/sym17060913","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym17060913","pdf_url":"https://www.mdpi.com/2073-8994/17/6/913/pdf?version=1749541573","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7213197151","display_name":null,"funder_award_id":"TN2216010","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4411186943.pdf"},"referenced_works_count":54,"referenced_works":["https://openalex.org/W2024066070","https://openalex.org/W2129652681","https://openalex.org/W2137591992","https://openalex.org/W2140199336","https://openalex.org/W2146395539","https://openalex.org/W2883127586","https://openalex.org/W2891639355","https://openalex.org/W2955063527","https://openalex.org/W2962785568","https://openalex.org/W2969260367","https://openalex.org/W2999940418","https://openalex.org/W3008823916","https://openalex.org/W3017136408","https://openalex.org/W3036167779","https://openalex.org/W3133940464","https://openalex.org/W3160069937","https://openalex.org/W3173272744","https://openalex.org/W3173749647","https://openalex.org/W3194548585","https://openalex.org/W3202918664","https://openalex.org/W3203234039","https://openalex.org/W3212255342","https://openalex.org/W4205984990","https://openalex.org/W4280562253","https://openalex.org/W4281706822","https://openalex.org/W4285483958","https://openalex.org/W4289538571","https://openalex.org/W4297039696","https://openalex.org/W4297846915","https://openalex.org/W4308210855","https://openalex.org/W4309411874","https://openalex.org/W4312933868","https://openalex.org/W4320013936","https://openalex.org/W4381785630","https://openalex.org/W4386065808","https://openalex.org/W4386071957","https://openalex.org/W4386597022","https://openalex.org/W4387806972","https://openalex.org/W4390659444","https://openalex.org/W4391092988","https://openalex.org/W4400111335","https://openalex.org/W4402667884","https://openalex.org/W4402772372","https://openalex.org/W4403213384","https://openalex.org/W4405219754","https://openalex.org/W4406355801","https://openalex.org/W6640963894","https://openalex.org/W6764847461","https://openalex.org/W6767264202","https://openalex.org/W6776530645","https://openalex.org/W6779823529","https://openalex.org/W6802036239","https://openalex.org/W6839081181","https://openalex.org/W6843772381"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Deep":[0],"neural":[1],"video":[2,21,31,44,54,237],"compression":[3,32,55,248],"codecs":[4,238],"have":[5],"shown":[6],"great":[7],"promise":[8],"in":[9,110,256,268],"recent":[10,25],"years.":[11],"However,":[12],"there":[13],"are":[14,156],"still":[15],"considerable":[16],"challenges":[17],"for":[18,28,40,124],"ultra-low":[19,41,251],"bitrate":[20,42,263],"coding.":[22],"Inspired":[23],"by":[24],"diffusion":[26,38,64,71,78,93],"models":[27,39],"image":[29],"and":[30,98,176,188,215,239],"attempts,":[33],"we":[34,49,67],"attempt":[35],"to":[36],"leverage":[37],"portrait":[43,53],"compression.":[45],"In":[46],"this":[47,193],"paper,":[48],"propose":[50],"a":[51,69,75,91,115,118],"predictive":[52],"method":[56],"that":[57,147,171,210],"leverages":[58],"the":[59,81,96,103,107,127,130,141,148,153,161,197,201,207,212,218,221,235,243],"temporal":[60,70,92],"prediction":[61,149],"capabilities":[62],"of":[63,106,184,200,220,270],"models.":[65],"Specifically,":[66],"develop":[68],"predictor":[72,94,128],"based":[73,139,224],"on":[74,140,225],"conditional":[76],"latent":[77],"model,":[79],"with":[80,158,234,266],"predicted":[82,108,135,186,202,208],"results":[83,109,203,230],"serving":[84],"as":[85,137],"decoded":[86],"frames.":[87],"We":[88,164],"symmetrically":[89],"integrate":[90],"at":[95,129,152,160,250],"encoding":[97,111,162],"decoding":[99,131,154],"side,":[100],"respectively.":[101],"When":[102],"perceptual":[104,191,271],"quality":[105,174,183,199,213],"end":[112,155],"falls":[113],"below":[114],"predefined":[116],"threshold,":[117,214],"new":[119],"frame":[120,173],"sequence":[121,223],"is":[122],"employed":[123],"prediction.":[125],"While":[126],"side":[132],"directly":[133],"generates":[134],"frames":[136,150,187,209],"reconstruction":[138],"evaluation":[142],"results.":[143],"This":[144],"symmetry":[145],"ensures":[146],"generated":[151],"consistent":[157,182],"those":[159],"end.":[163],"also":[165],"design":[166],"an":[167],"adaptive":[168,177],"coding":[169],"strategy":[170,194],"incorporates":[172],"assessment":[175],"keyframe":[178,222],"control.":[179],"To":[180],"ensure":[181],"subsequent":[185],"achieve":[189],"high":[190],"reconstruction,":[192],"dynamically":[195],"evaluates":[196],"visual":[198,257],"during":[204],"encoding,":[205],"retains":[206],"meet":[211],"adaptively":[216],"adjusts":[217],"length":[219],"motion":[226],"complexity.":[227],"The":[228],"experimental":[229],"demonstrate":[231],"that,":[232],"compared":[233,265],"traditional":[236],"other":[240],"popular":[241],"methods,":[242],"proposed":[244],"scheme":[245],"provides":[246],"superior":[247],"performance":[249],"bitrates":[252],"while":[253],"maintaining":[254],"competitiveness":[255],"effects,":[258],"achieving":[259],"more":[260],"than":[261],"24%":[262],"savings":[264],"VVC":[267],"terms":[269],"distortion.":[272]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
