{"id":"https://openalex.org/W4414760770","doi":"https://doi.org/10.1145/3711875.3729131","title":"DeltaStream: 2D-Inferred Delta Encoding for Live Volumetric Video Streaming","display_name":"DeltaStream: 2D-Inferred Delta Encoding for Live Volumetric Video Streaming","publication_year":2025,"publication_date":"2025-06-23","ids":{"openalex":"https://openalex.org/W4414760770","doi":"https://doi.org/10.1145/3711875.3729131"},"language":"en","primary_location":{"id":"doi:10.1145/3711875.3729131","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3711875.3729131","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3711875.3729131","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 23rd Annual International Conference on Mobile Systems, Applications and Services","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3711875.3729131","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Hojeong Lee","orcid":"https://orcid.org/0009-0007-6346-9374"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hojeong Lee","raw_affiliation_strings":["Korea University, Seoul, Republic of Korea"],"raw_orcid":"https://orcid.org/0009-0007-6346-9374","affiliations":[{"raw_affiliation_string":"Korea University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yu Hong Kim","orcid":"https://orcid.org/0009-0008-5226-3511"},"institutions":[{"id":"https://openalex.org/I188538660","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026","country_code":"US","type":"education","lineage":["https://openalex.org/I188538660"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yu Hong Kim","raw_affiliation_strings":["University of Colorado Boulder, Boulder, USA"],"raw_orcid":"https://orcid.org/0009-0008-5226-3511","affiliations":[{"raw_affiliation_string":"University of Colorado Boulder, Boulder, USA","institution_ids":["https://openalex.org/I188538660"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072665248","display_name":"Sangwoo Ryu","orcid":"https://orcid.org/0000-0001-8594-3961"},"institutions":[{"id":"https://openalex.org/I123900574","display_name":"Pohang University of Science and Technology","ror":"https://ror.org/04xysgw12","country_code":"KR","type":"education","lineage":["https://openalex.org/I123900574"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sangwoo Ryu","raw_affiliation_strings":["POSTECH, Pohang, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0001-8594-3961","affiliations":[{"raw_affiliation_string":"POSTECH, Pohang, Republic of Korea","institution_ids":["https://openalex.org/I123900574"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074588447","display_name":"James Won\u2010Ki Hong","orcid":"https://orcid.org/0000-0003-2853-7734"},"institutions":[{"id":"https://openalex.org/I123900574","display_name":"Pohang University of Science and Technology","ror":"https://ror.org/04xysgw12","country_code":"KR","type":"education","lineage":["https://openalex.org/I123900574"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"James Won-Ki Hong","raw_affiliation_strings":["POSTECH, Pohang, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0003-2853-7734","affiliations":[{"raw_affiliation_string":"POSTECH, Pohang, Republic of Korea","institution_ids":["https://openalex.org/I123900574"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023497481","display_name":"Sangtae Ha","orcid":"https://orcid.org/0000-0001-5983-5430"},"institutions":[{"id":"https://openalex.org/I188538660","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026","country_code":"US","type":"education","lineage":["https://openalex.org/I188538660"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sangtae Ha","raw_affiliation_strings":["University of Colorado Boulder, Boulder, USA"],"raw_orcid":"https://orcid.org/0000-0001-5983-5430","affiliations":[{"raw_affiliation_string":"University of Colorado Boulder, Boulder, USA","institution_ids":["https://openalex.org/I188538660"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066488450","display_name":"Seyeon Kim","orcid":"https://orcid.org/0009-0002-4959-8165"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seyeon Kim","raw_affiliation_strings":["Korea University, Seoul, Republic of Korea"],"raw_orcid":"https://orcid.org/0009-0002-4959-8165","affiliations":[{"raw_affiliation_string":"Korea University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.0506,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.88617886,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"361","last_page":"373"},"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":0.9991000294685364,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9987999796867371,"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/decoding-methods","display_name":"Decoding methods","score":0.6248000264167786},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.5950000286102295},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5595999956130981},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.5212000012397766},{"id":"https://openalex.org/keywords/limiting","display_name":"Limiting","score":0.499099999666214},{"id":"https://openalex.org/keywords/video-streaming","display_name":"Video streaming","score":0.4943000078201294},{"id":"https://openalex.org/keywords/multiview-video-coding","display_name":"Multiview Video Coding","score":0.4578000009059906},{"id":"https://openalex.org/keywords/rgb-color-model","display_name":"RGB color model","score":0.4302000105381012},{"id":"https://openalex.org/keywords/video-capture","display_name":"Video capture","score":0.4235000014305115}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8210999965667725},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6248000264167786},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.5950000286102295},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5595999956130981},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.5212000012397766},{"id":"https://openalex.org/C188198153","wikidata":"https://www.wikidata.org/wiki/Q1613840","display_name":"Limiting","level":2,"score":0.499099999666214},{"id":"https://openalex.org/C2986160907","wikidata":"https://www.wikidata.org/wiki/Q220499","display_name":"Video streaming","level":2,"score":0.4943000078201294},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.49239999055862427},{"id":"https://openalex.org/C23431618","wikidata":"https://www.wikidata.org/wiki/Q1404672","display_name":"Multiview Video Coding","level":4,"score":0.4578000009059906},{"id":"https://openalex.org/C82990744","wikidata":"https://www.wikidata.org/wiki/Q166194","display_name":"RGB color model","level":2,"score":0.4302000105381012},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.42500001192092896},{"id":"https://openalex.org/C151211776","wikidata":"https://www.wikidata.org/wiki/Q2778015","display_name":"Video capture","level":3,"score":0.4235000014305115},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4106000065803528},{"id":"https://openalex.org/C65483669","wikidata":"https://www.wikidata.org/wiki/Q3536669","display_name":"Video processing","level":2,"score":0.3822000026702881},{"id":"https://openalex.org/C202474056","wikidata":"https://www.wikidata.org/wiki/Q1931635","display_name":"Video tracking","level":3,"score":0.37880000472068787},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.3521000146865845},{"id":"https://openalex.org/C161765866","wikidata":"https://www.wikidata.org/wiki/Q184748","display_name":"Codec","level":2,"score":0.32519999146461487},{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.3237000107765198},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.31139999628067017},{"id":"https://openalex.org/C22561748","wikidata":"https://www.wikidata.org/wiki/Q854954","display_name":"Videoconferencing","level":2,"score":0.3050000071525574},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3050000071525574},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.3000999987125397},{"id":"https://openalex.org/C103910844","wikidata":"https://www.wikidata.org/wiki/Q2631256","display_name":"Video quality","level":3,"score":0.2847000062465668},{"id":"https://openalex.org/C106030495","wikidata":"https://www.wikidata.org/wiki/Q1797012","display_name":"Video compression picture types","level":4,"score":0.2768999934196472},{"id":"https://openalex.org/C2776741261","wikidata":"https://www.wikidata.org/wiki/Q3027665","display_name":"Live streaming","level":2,"score":0.26489999890327454},{"id":"https://openalex.org/C128840427","wikidata":"https://www.wikidata.org/wiki/Q1302174","display_name":"Motion compensation","level":2,"score":0.25529998540878296}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3711875.3729131","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3711875.3729131","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3711875.3729131","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 23rd Annual International Conference on Mobile Systems, Applications and Services","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3711875.3729131","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3711875.3729131","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3711875.3729131","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 23rd Annual International Conference on Mobile Systems, Applications and Services","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3283048730","display_name":"CNS Core: Small: Sensor-based Wireless Network Management via Edge Computing","funder_award_id":"1908910","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G622267058","display_name":null,"funder_award_id":"RS-2024-00437866","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"},{"id":"https://openalex.org/G7542792045","display_name":null,"funder_award_id":"IITP-2025-RS-2020-II201819","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"},{"id":"https://openalex.org/G8241071328","display_name":null,"funder_award_id":"RS-2024-00437866","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320324891","display_name":"Iran Telecommunication Research Center","ror":"https://ror.org/01a3g2z22"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"},{"id":"https://openalex.org/F4320332538","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4414760770.pdf","grobid_xml":"https://content.openalex.org/works/W4414760770.grobid-xml"},"referenced_works_count":41,"referenced_works":["https://openalex.org/W95608104","https://openalex.org/W2039181402","https://openalex.org/W2086663885","https://openalex.org/W2102385010","https://openalex.org/W2140199336","https://openalex.org/W2141109916","https://openalex.org/W2146395539","https://openalex.org/W2165558283","https://openalex.org/W2244833639","https://openalex.org/W2319503556","https://openalex.org/W2505094182","https://openalex.org/W2532511219","https://openalex.org/W2901084264","https://openalex.org/W2905544027","https://openalex.org/W2928088097","https://openalex.org/W3009115175","https://openalex.org/W3014200484","https://openalex.org/W3021314748","https://openalex.org/W3088533413","https://openalex.org/W3132559889","https://openalex.org/W3196733449","https://openalex.org/W4231831269","https://openalex.org/W4233429846","https://openalex.org/W4306179734","https://openalex.org/W4317927940","https://openalex.org/W4318261627","https://openalex.org/W4321488303","https://openalex.org/W4376571587","https://openalex.org/W4379928158","https://openalex.org/W4383753516","https://openalex.org/W4385626886","https://openalex.org/W4386397263","https://openalex.org/W4387212733","https://openalex.org/W4387967921","https://openalex.org/W4389766502","https://openalex.org/W4390534472","https://openalex.org/W4392405518","https://openalex.org/W4399121637","https://openalex.org/W4404034698","https://openalex.org/W4408847805","https://openalex.org/W4412190835"],"related_works":[],"abstract_inverted_index":{"Live":[0],"volumetric":[1,28,59,91],"video":[2,29,60],"streaming":[3,47,61,88],"enables":[4],"immersive":[5],"user":[6],"experiences":[7],"but":[8,31],"poses":[9],"significant":[10],"challenges":[11],"due":[12],"to":[13,34,85,119,131],"the":[14,87,103],"high":[15],"bandwidth":[16,89,116],"requirement":[17],"that":[18,63,100,113],"3D":[19,66],"representations":[20],"entail.":[21],"Recent":[22],"research":[23],"has":[24],"focused":[25],"on":[26],"reducing":[27],"bandwidth,":[30],"it":[32],"struggles":[33],"effectively":[35],"address":[36,50],"temporal":[37],"redundancy":[38],"under":[39],"real-time":[40],"constraints,":[41],"limiting":[42],"its":[43],"applicability":[44],"for":[45],"live":[46,58],"scenarios.":[48],"To":[49],"these":[51],"challenges,":[52],"we":[53],"present":[54],"DeltaStream,":[55],"a":[56],"novel":[57],"system":[62],"efficiently":[64,81],"encodes":[65],"point":[67],"clouds":[68],"by":[69,117],"leveraging":[70],"2D":[71,75],"information.":[72],"By":[73],"utilizing":[74],"RGB":[76],"and":[77],"depth":[78],"frames,":[79],"DeltaStream":[80,94,114],"infers":[82],"inter-frame":[83],"changes":[84],"reduce":[86,102],"of":[90],"video.":[92],"Furthermore,":[93],"introduces":[95],"an":[96],"adaptive":[97],"block-based":[98],"approach":[99],"can":[101],"client-side":[104],"decoding":[105,124],"load.":[106],"Through":[107],"extensive":[108],"evaluations,":[109],"our":[110],"results":[111],"demonstrate":[112],"reduces":[115],"up":[118],"71%":[120],"with":[121],"1.63\u00d7":[122],"faster":[123],"speed":[125],"while":[126],"maintaining":[127],"visual":[128],"quality":[129],"compared":[130],"state-of-the-art":[132],"systems.":[133]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-06-22T08:00:12.763002","created_date":"2025-10-10T00:00:00"}
