{"id":"https://openalex.org/W7134973672","doi":"https://doi.org/10.48550/arxiv.2603.09657","title":"When to Lock Attention: Training-Free KV Control in Video Diffusion","display_name":"When to Lock Attention: Training-Free KV Control in Video Diffusion","publication_year":2026,"publication_date":"2026-03-10","ids":{"openalex":"https://openalex.org/W7134973672","doi":"https://doi.org/10.48550/arxiv.2603.09657"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2603.09657","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.09657","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2603.09657","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008223721","display_name":"Tianyi Zeng","orcid":"https://orcid.org/0000-0002-5467-062X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zeng, Tianyi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128755647","display_name":"Jincheng Gao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gao, Jincheng","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128782983","display_name":"Tianyi Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Tianyi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Meng, Zijie","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Meng, Zijie","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128770199","display_name":"Miao Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Miao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128792168","display_name":"Jun Yin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yin, Jun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100538111","display_name":"Haoyuan Sun","orcid":"https://orcid.org/0000-0003-1719-8976"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sun, Haoyuan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060920769","display_name":"Junfeng Jiao","orcid":"https://orcid.org/0000-0002-7272-8805"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jiao, Junfeng","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082935103","display_name":"Christian Claudel","orcid":"https://orcid.org/0000-0002-3783-4928"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Claudel, Christian","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128756000","display_name":"Junbo Tan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tan, Junbo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5128772620","display_name":"Xueqian Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Xueqian","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":0.8130999803543091,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.8130999803543091,"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/T11605","display_name":"Visual Attention and Saliency Detection","score":0.08370000123977661,"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":0.021900000050663948,"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/metric","display_name":"Metric (unit)","score":0.5121999979019165},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.48399999737739563},{"id":"https://openalex.org/keywords/fidelity","display_name":"Fidelity","score":0.48159998655319214},{"id":"https://openalex.org/keywords/consistency","display_name":"Consistency (knowledge bases)","score":0.47620001435279846},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.4560999870300293},{"id":"https://openalex.org/keywords/lock","display_name":"Lock (firearm)","score":0.4458000063896179},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.39480000734329224},{"id":"https://openalex.org/keywords/video-processing","display_name":"Video processing","score":0.3610999882221222},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.3555000126361847}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7700999975204468},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5863999724388123},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5401999950408936},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.5121999979019165},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.48399999737739563},{"id":"https://openalex.org/C2776459999","wikidata":"https://www.wikidata.org/wiki/Q2119376","display_name":"Fidelity","level":2,"score":0.48159998655319214},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.47620001435279846},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.4560999870300293},{"id":"https://openalex.org/C174839445","wikidata":"https://www.wikidata.org/wiki/Q1134386","display_name":"Lock (firearm)","level":2,"score":0.4458000063896179},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.39480000734329224},{"id":"https://openalex.org/C65483669","wikidata":"https://www.wikidata.org/wiki/Q3536669","display_name":"Video processing","level":2,"score":0.3610999882221222},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.3555000126361847},{"id":"https://openalex.org/C113364801","wikidata":"https://www.wikidata.org/wiki/Q26674","display_name":"High fidelity","level":2,"score":0.3513000011444092},{"id":"https://openalex.org/C68387754","wikidata":"https://www.wikidata.org/wiki/Q7271585","display_name":"Schedule","level":2,"score":0.34450000524520874},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.33640000224113464},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.3287999927997589},{"id":"https://openalex.org/C32653426","wikidata":"https://www.wikidata.org/wiki/Q3813641","display_name":"Background subtraction","level":3,"score":0.3095000088214874},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3034000098705292},{"id":"https://openalex.org/C2779769447","wikidata":"https://www.wikidata.org/wiki/Q3813641","display_name":"Foreground detection","level":4,"score":0.27379998564720154},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.2727999985218048},{"id":"https://openalex.org/C202474056","wikidata":"https://www.wikidata.org/wiki/Q1931635","display_name":"Video tracking","level":3,"score":0.26460000872612},{"id":"https://openalex.org/C30814859","wikidata":"https://www.wikidata.org/wiki/Q4119603","display_name":"Video denoising","level":5,"score":0.25999999046325684},{"id":"https://openalex.org/C128840427","wikidata":"https://www.wikidata.org/wiki/Q1302174","display_name":"Motion compensation","level":2,"score":0.25839999318122864},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.2549000084400177},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.2531000077724457}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2603.09657","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.09657","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2603.09657","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2603.09657","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Maintaining":[0],"background":[1,20,24,95,113,161],"consistency":[2],"while":[3],"enhancing":[4],"foreground":[5,32,122,157],"quality":[6,158],"remains":[7],"a":[8,41,132],"core":[9,51],"challenge":[10],"in":[11,155],"video":[12,47,165],"editing.":[13],"Injecting":[14],"full-image":[15],"information":[16],"often":[17],"leads":[18],"to":[19,70,84],"artifacts,":[21],"whereas":[22],"rigid":[23],"locking":[25,115],"severely":[26],"constrains":[27],"the":[28,55,71,90,103],"model's":[29],"capacity":[30],"for":[31,45,121],"generation.":[33],"To":[34],"address":[35],"this":[36],"issue,":[37],"we":[38],"propose":[39],"KV-Lock,":[40],"training-free":[42],"framework":[43],"tailored":[44],"DiT-based":[46,144],"diffusion":[48,81],"models.":[49,145],"Our":[50],"insight":[52],"is":[53,67,109],"that":[54,149],"hallucination":[56,82,107],"metric":[57],"(variance":[58],"of":[59],"denoising":[60],"prediction)":[61],"directly":[62],"quantifies":[63],"generation":[64,129],"diversity,":[65],"which":[66],"inherently":[68],"linked":[69],"classifier-free":[72],"guidance":[73,120],"(CFG)":[74],"scale.":[75,105],"Building":[76],"upon":[77],"this,":[78],"KV-Lock":[79,111,136],"leverages":[80],"detection":[83],"dynamically":[85],"schedule":[86],"two":[87],"key":[88],"components:":[89],"fusion":[91],"ratio":[92],"between":[93],"cached":[94],"key-values":[96],"(KVs)":[97],"and":[98,102,116,127],"newly":[99],"generated":[100],"KVs,":[101],"CFG":[104],"When":[106],"risk":[108],"detected,":[110],"strengthens":[112],"KV":[114],"simultaneously":[117],"amplifies":[118],"conditional":[119],"generation,":[123],"thereby":[124],"mitigating":[125],"artifacts":[126],"improving":[128],"fidelity.":[130],"As":[131],"training-free,":[133],"plug-and-play":[134],"module,":[135],"can":[137],"be":[138],"easily":[139],"integrated":[140],"into":[141],"any":[142],"pre-trained":[143],"Extensive":[146],"experiments":[147],"validate":[148],"our":[150],"method":[151],"outperforms":[152],"existing":[153],"approaches":[154],"improved":[156],"with":[159],"high":[160],"fidelity":[162],"across":[163],"various":[164],"editing":[166],"tasks.":[167]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-03-12T00:00:00"}