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WO2024152003A1 - Procédés et appareil d'entraînement et de codage de transormation - Google Patents

Procédés et appareil d'entraînement et de codage de transormation Download PDF

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Publication number
WO2024152003A1
WO2024152003A1 PCT/US2024/011479 US2024011479W WO2024152003A1 WO 2024152003 A1 WO2024152003 A1 WO 2024152003A1 US 2024011479 W US2024011479 W US 2024011479W WO 2024152003 A1 WO2024152003 A1 WO 2024152003A1
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WO
WIPO (PCT)
Prior art keywords
conex
secon
ransormerne
moe
veo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/US2024/011479
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English (en)
Inventor
Ning Yan
Xiaoyu XIU
Wei Chen
Hong-Jheng Jhu
Che-Wei Kuo
Changyue MA
Xianglin Wang
Bing Yu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Dajia Internet Information Technology Co Ltd
Original Assignee
Beijing Dajia Internet Information Technology Co Ltd
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Publication date
Application filed by Beijing Dajia Internet Information Technology Co Ltd filed Critical Beijing Dajia Internet Information Technology Co Ltd
Priority to CN202480007689.2A priority Critical patent/CN120530625A/zh
Publication of WO2024152003A1 publication Critical patent/WO2024152003A1/fr
Priority to US19/065,843 priority patent/US20250211789A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Definitions

  • ornee . - caoneresen acaonsase uon an camsroro..rovsona on,”eo o.nanuar,,, ene, “e eenroes o an wcarsaunscorororareansorm reerreannn an uroses.
  • veoeconncunc o soamnen em,o amenecso oer, aeruersaen oscosaurreurove a meoor ransormernesor a curren nen-overansormransorme ocn annra moe an seecn,eecoer, a ernes.rneore currenocnenra moeromeura o ransorm veo enconn a, sencocnu ans:ec o, saonmne e,mo anm eenncos oer, aeruersaen oscoasruruenerno-voev ae meranosoromr ornee.: .
  • sr eannasoermorernee csurorren a cuorrcen anoc seenc ann,nra meo eeeermnn, e encoer,a e currenocnenra moerome ncoer, a ransormerneor n ar asec, some emomenusr oae oresransormernes.
  • comuer reaa sxe s asoraece s momeeu emmoorm seonrsn o coemrueseern-exscosurerove a non-ransor execurmee one or more comuerro ecuaensruconsa, wen ero cessors, causee one or more comuerrocessorso n me a soeve anccor asneco, soem seec eon asec.
  • ransor comuer momens oeresenscosurerove a non- accorno -reaae sorae may be used to generate a code for oeresenscosurerove a non- accorno -reaae sorae.
  • ac sco,ra soem mee emumoomens oeresenscosurerove a non- accornoe s r sorn asreamoeecoe e meo soecon asec.
  • eaeescron aere un exearmsooes ona ano aree noor reesorncveen oeraeersecsrenonsc aonsuree.oown ornee.: . seccaon,e aucscoramea enxnrawns, wc arencororaen an consue aar os escron, serveo exaanmeesr cnocnssesen o wesceosurerseenscosure an,oeer w e veoocsn.
  • eecs a.ua-reuesraaeas s corumcuorseonus ora an,e en. resuu osraeesvson rocess oe asecen., an . usraesveos aron o a conoc searonnes eresensc..s oson,e anransormen accorance w some exames o scosure..osurse.e or n accorance w some exames oeresen eresensc.s anusraon oe or n accorance w some exames o .osusre.
  • aove area are rean eaeransorm coecensnee- area are reane.e n accso an rn acc ancuo esr wraancoe sn w o ome a en so x em axmaem exa eemaes oeraensreosremn coescocseunres.ne aove . s anusraon o an exames oaeeresenscosure. are reanen accora ransorm coecensnee area .
  • aove areas are reane, wereeone o a ann e axaomve aereaasnceuraensoorm ceoe acensnee an arean accorance w some exames ove area anee .s anusraon o oocerarenssenose asncosure.
  • orancse a wa sorammemusermaenna aon csom ouenre esennvronsmcoensure c.oue w a user wc areeuesrerancee wn noew acceom maanennearawon ss.eccmemenaons, emomens o numerous non-mn seccea neoowneaeescron, maerr s are seorn orero asssn unersanne suec aernaveesse mnaeeer uesen..uor ex wamee, aphone ao oanreen oo or onnar sne ara varous e suec maerreseneeren cane e o ornar sne ara a veo caaes.
  • n aono - wcaseen em orm eeco oen aueransorm muen seece srcanesmoermss ursoemoer resua co.neo newnern arnoucnra coeocs.
  • uses - an -.ae sowseassunc eransorm marces are n oreroeee oroona oeranosnso orm me seece .
  • coecens aore re zeurcoee oeu comorexe o-ar ane sze--oc ans w s-z,ewre oruenecr,a onrsoorm w reane an.e euao.ne coecens wnexower-wingc reon are e re sn ,e resua o aoc cane coe wransorm s moe.o avo _un_anac o snax con,eransorm s as no snae wene eve or s acvase noo eruae co zero.oeamc ransorms seo wen enaeorn urren.soemc cane s enae wen s ower coeocs.
  • aow nevoenr-,seear naeransorm soasmemenen a sneass reuceo mnmze comuaona comone-xsear aane mraenmsoorrm s maacerxom soenson neesoe coecens.ence, reuce non-sea reeransorm manea oe reuce n raeransormor meos usen .e x mensona veocn-osreoar aaneramnsenosrmonas voe mcaor ann aerse cnom smon euaoor se reucon
  • armar-o ecen su-rou are non- s aows a cononn oneransormn coexe scneansnav oenoee zaesro-s wnencanoss aon, aen. ornee.: .
  • rae-soron remann coecens are enorceoe zero. orers coecensn scan orer,e ransorm se aerree u asreeraon nasorm srea.nescoo ermn ma sesn anrom non-esenarraareercanosno mrmo meaorceesraenrneser canere-ene.
  • ncenex ssn reasrnc anneracon w oeroos coecen su-rou are no eoe acae on a coecens ouseers sncan coecen.
  • erormen awo-saeerave manner n meo,erann oe s n w anna sae: ae, rannorr ea oamcaro oanns,osr ams coecenoc coecerome enconrocess, a ranomrannaane cuser assoscanee.
  • wenee assown-ereaueenc.or ⁇ eac co ceusceernase are ae as one e oma non-searaeransormserve e sovn e eromo, e.., snuar vauee envecors o a covarance marx, cuser.n aon, acnomenosonransorm,, w wccs m caeacnusa neo s uesconnarerraannsnaane same assne ase ce orms ae,s enro oers cuser.
  • axmummramnsrovemenne maxmumransorm szeo.rem., s aze an zeroranns-oorum oerrannessorm are co eexecens.o sze an maxmumnra coeoc canave a sze ox.e m neo, weree seuences ans seo, oerwse.ner axmum szes seo or normramvaer zeron marransormaonrocess,eres no e ou oeraon ae onransorm coecens.owever, s ae, nranasnocrem coecoernnsr oau csee reon are normave zeroe-ou.
  • uze wcn aree c uusrerenornra aensno ner c,nor , on an ransormernes are , , anenransorm o aren. onarmarransormsncun , sze annra moenormao emoe.so ses maeeenen one eren cass n.
  • casses oeno sea,r ae exou aoa o eren casses are consere, some ooseeren resuan ac sameransorm se.oere areessan unue enresne o, a moeor. anua wr moes, s aon smmer over sae annrarecons consere.
  • nearesve cro,nveen veorncaa anorzonaransormernes are swae.ore we-ane moese s useor ae m anouesare mwoeeens - us aeno -r.ermansorm seeermnaon.or exame, moe .
  • su-ocs consss o sxx su-ocs, wc orwar canne orxer.
  • .ncse coese nnumoeer onnus c soanmreusosn,,ransorm marxor su-ocs areeneraeromorwar coecenswox coecen scan orer.
  • ens areocaene same manner as w nrare.e m -a -n -ro -m -n -rarecon moesoese sess sownnae. moe - - - - - - - - snaeenoennsrearnnsorma exeorere asr seuc ma cnorr semaoanrs caacn eens wancen co anrameer an acrossrames, o .nsrane ase roe o ara ormance means more ece nsormasneneo comace ener , ars, a re.
  • e anuarnra moes moeso are conveno sownn., amon - an moeso are we-anen na anuarnra moes, an moes -o anar moemoen. a ra moes.n aonoe anuarnra moes,e aso aen nrecurren moemoen. o are ocsn suanrcee s a.
  • anourear snera moes mae suare an recanuar veoocs,esesanar an m cca,oro e anuarnra moes are aso su oes, anuarnra moes amon sae o a veooc sas oreor eacoc sae.en a recanuaroc veooc m es a ceran conon, annex o a we-anenra moe oe convenona anauaer anara mveoe reeceermveneromee v veeoo eneccooeerr us acnco ar mnaon annex o a as sownnaeeow.as,or non-suareocs,e we reaons e veo encoer usnenexes oe co -anen
  • a veo source a veo encoer evce, e.., a veo camera
  • a v e a source suc as a veo caurnneraceo receives veorom ae vo aerco cvoen ceonnarnovnerr,e avnouosr a c caomureue vrerao, a vcs seoseen eneran comuerracsaa ase source veo, or a comna emor exame,e veo sources a veo camer on o suc sources.s one evce aneesnaone a o a secur surveance ssem,e sourcememenaon vce maorm cameraones or veoones.owever,e an mae asescreneresen acaon mae aca
  • anoraac.e ouunerace maurerncue a moem anor a eesnaonevcencuesenunerace, a veoecoer, an a enscoae vevceeoa.a oveernuennerac.ee m enaconecu vee ao recaeav ceorm anmuonrc aa meo oevm an receiveee rove one soraeevce, mancue a vare o snax eem eren, or encoeror use e veoecoernecone veoaensenerae e veo encue wne encoe veoaaransme on a a.uc snax eemens ma sorae meum, or sore on ae se communcaon meum, sore on a wc can
  • en scuocer as an,e ve,oecoe-r ma oerae accornororear san ,ar, , or exensons o suc encoars. soue unersooaeresen acaons nomeo a secc veosnenecon sanar an mae acaeo oer veo enconecon sanars.
  • vare o eac maememene as an o a naro scuessaorse encose,r anocraeocnoere ccrccunre, sruace as ornceu ors more msc,roerocersosorrs, a aerras s,screeoc, soware,arware,rmware or a ammae enmemenearan soware, an eecroncevc n comnaonsereo.
  • one or more cou Chroservce new anoreesnaonevce wc are noncuene more cenevces ma comomrun mcaaee wrov serevern co omne oure mrsorne ceen couevc ceosm, anune s oenrvec oer ornee.: .
  • n neewwoorr ar souor-ra an was weersese csosm commumnucnaon neworor exame, a ceuar communcaon communcaon newor o caon newor, or aoa navaon saee ssem communca r a wre communcaon newore.., aoca area newor emomen, aeon newor or aowerne communcaon newor.n an servc as aar o oeraonsescreeren maememene as cou-ase oee csomrovoneens o onee o sro murocree seervvceer com anueorrs wec a aeraesm aeamre onee come aoneenas aar esnaonevcene cou mor servce newor an one or mor s
  • sooumenesuesscrraeeeareonr anensea, coem aonecna, aon m caromea a comeoneon a a snu aaorn c wroemrea a cnom oosneens ac secoercenor an o aumauma comonen,e croma comonen aner croma c o an oer oe comonenase one seece ose.urer, so omoneno mo sa an menoneeren mae an oeuma c u asoeusraea ars comonen croma comonen, a seco omonen,e croma comonen aner comonen,e crn comonen menoneeren mae an oer oeuma meno oma
  • v.eoeaa memosr au mearae o soarense re,eorern ecxeam ve, aaor exame, reerencerames orcuresor usen enco eo encoere..,nnra ornerrecve con moes.en veoaa e veo maeorme an o a vare o memorevces.
  • n.a,r aer receives veoaa,earon un wne asoncuearonn a veoonse veoaano veoocs.saronn maarero rameno sces,esor exame, ses o veoocs, or oer srucure asnsocanes ws aceco vrenooaar.eeen ve seoranme srsuc ourre msa suce a rse aaruea- asre aewo- ornee.: . remeerrnesonoa as a arraxe or o mra arex.
  • reeren ar eoc or veooc mae or corresono aonce,ror exame,o an reconn or aransormn anor mae or correseeonno a, a, a ocs,o er.m. aoonreeo corresonn ran c , aonoc , areconoc or a con moesec , surce ac a s oon nno e orroco aes as s unu- ra unoc.
  • curren veora or exame mancaeesacemen o a veooc wn a currenocemne o croecur we reanveeo cu arrernecravmee.oce wreene ar rmenereencearearmne m reaaveoe veoramesne seuence asrames orrames.enra un esnae e..,oc vecors,ornra conn a manne maeermne vecors, e moon esmaon un orne r smaroeeermnaon o moon vecorsoeermneeoc vecor.
  • erenrame accorn ome samerame accornonrarecon or a suracnxe onerrecon,e veo encoer maorm a resua veooc eno cooce m, vaues oerecveocromexe vaues oe curren veooc ve ormnxeerence vaues.exeerence vauesormne resua eannrcaureecoonuma an croma comonenerences.
  • aernaveoe rocessn un manra-rec a curren veooc as an comensao ner-reconerorme e moon esmaon un ane moon escre anov uen.
  • orenraoc coreconerorme enra un as recon moeon usearoc euncaor,e ae cunrrreanreocc.onooro scoe,ssnen urnare mcaoneroecrmessnne annra ma encoe a currenoc usn varousnrarecon moes, e..
  • anenrareconrocessn un or a ,urn substitutee encon ma seec an aroraenrareco moe seecon un,n some examesnrareconrocessn n moeo useromeesenrarecon moes.e recon moeoreo un marovenormaonncave oe seecenra- encoeenormaonnccoe enro encon un.e enro encon un ma ererecoannrocees ssenec uenra-recon moenesream.
  • vaero vecoeoereconern accorance memor
  • an enroecon un areconrocessn u cues a veoaa un, annverseransormrocessn u n, annverseuanzaon rocessn un urerncues a moonn, a summer, an a .erecon annra un.e veoecoe comensaon un, annrarecon un, anoe enconroces r maerorm aeconrocessenera recroca ..or ex sescre aove w resecoe veo encoern connecon w moon vecorsa rmeceev,eero mmooen e cnormoenseacoonn un un m,a weenereanerar-erecocnona uanase m on
  • oaear c moemmoor ma sore veoaa suc as an encoe veosream, aa memor mae oannens oe veoecoer.
  • veoaa sorene veo source su e,or exame,rome soraeevce,rom aoca veo accessnc assca a caamae srao,ra vae m werea oer.
  • a reresens veoocs o an encoe veorame an oe veosream ecoer ma receiveee snax eem assocae snax eemens.e veo e enroecon un oeens ae veorameeve anore veooceve.
  • oeramree ocroornnrora coe un maeneraereconaaor a veooc oe curren veora cessn snaenrarecon moe an reerenceaaromrevo mease on a rame.
  • aenscr sneaxro eeermeesns useo coee uns o a coeoc oxes anowe veo seuence cane r oerenes o ecoer,ncunner ornrarecon,nrare econsruce ae veo arameers.n monocrome con moe, moon vecors, an oer comrse a cures orcuresavnree dissolvee cooranes, a mareeoc.
  • sne conreeoc an snax eemens useo coee sames oe con o co acnevere aeeocer mearorme anxoc o sames.
  • oc sze ox.moneour smae a s o rs an are eacvenoour s oxxococ sze s.ze.ewox s an are eacurervenoour ornoecess oe.
  • s a recanuarsuare or non-suareoc o sames sanm wecs,weo s caomrreesroencnon,ns oer o crronmraa, sasm aese, a.n sn oax a ee ma comrse a ouma n monocromecures orcuresavnr mens useoreces.
  • aronnoecomose sraen.,e veo encoer ma useua-ree , anrran euma,, anr resuaocs o a no one or moreuma, suareoc os saomrmeso ocns w recsecev seam.eranrasnosrmorms aoces.
  • a oenerae auma coeceno ansormso aumaransormoc o mensona arra oransorm co core coecenoc mae awo- veo encoer ma a one oer mcoernesr.ansroarnmssorom a coeracnesnor mmaoec a s oca aaruaonen.eraee ornee.: . arra cnoseormcenoco oc aoreoen.eraee a vero co eencoceerno mcao are one.
  • oc ereneran a coecenoce.., auma coecenoc, a coecen uan or ar coecenoc,e veo encoer mauanzee coecenoc.
  • oc szeorreserven eveeramsrnovne v veeooaaa cae aumrnounec onoaoa re anure moroer re renreese vnneo ornee.: .
  • ormunas.eo cwurerveenr,ee arnveran,soermr cmoraers mraans norm cores areerverom an eren caracerscs.ereore, mor o aao ae veo conens w ne curren an e ecenransorm cores remanoenvesae. .owever, s on ae,neransorm marcesn are acuaraneransorms no consere.
  • non-saonar caracerscs o veo s arexe wc canno aaoeransorm mnarex cuorreunar vaneeoe coener s co ean cne ranrs.,eorwar annverseransorm saree sameransorm coecens,eerec reconsrucecoonns crauncnoon.eouwareavnere,eu aenoeeranusanozaon o sarn ma noeaoe om rm marx n a comressonerormance.
  • wc can aceves anr e onou m oc a oorn o raonsoonramraannsnormermass oe m oenane s suaares ercraroer oe sna, e nu , ve .
  • ornee .ransormnoc an s ezme aonmnerna, mooren.raaresocr eoanc,reanrsann sames are cuserease on areerve,n wc onenra moe cor ormoc sze, a se o marces one ma resonso one marx or severanra moes sare nr ax.
  • ra emomen,ornerreconerann sames are cuserease on , sor , m ... , oc are sze re a e n ne e o a ca s s o s ue v e a m u o e o o n v m ec o o o r. n v a ec s or or eac .
  • sesurerven oc sze,recon moe,emae cener,erann encon aneconrooc seesvse,raor eraocusr uasnsnor cmassocca s-zme,earnes ccusoner mno as .ne ar, a se oransorm marces are seece a e,emae cener marxne ses useo n annex useourerncae wcransorm -eenenrrem caurrenoc.
  • moes moes,.e.,nor esr acscnoe ras-urn ree,en coenrrea mnoes oe or mnarces areraneorerennrareconrane.ere,enrare rarecon moe se, one marces ses snrouce aove, we-acnoen mnoraer seec maon c monosess o are m uorezeano orn reecnararecon moes.
  • nsnscaonsuren someeo emoon ners emom mens on snan areroose asoows. as snae ae oen,srooseo a eve ono conro o . seuence orc r or sforementionederoncae weer s aeoe canae oneur se .ec oor rn sc s ee ,m.omen,ass sronoaseeoo unseca as aonaransorm curren. asrue,e as snaee woeer s useore use asermarransorm oe.
  • ene marces are snaenncoeer se,eaeer mnarec seesc aorne aesrvece, ornee.: . encsoeror sosee,oe aa mvearc sesn aareeerveo mra earccescnuecurearameer se .
  • ene eaer an ner asec,srore.ene marces are snaene sworter.e encoer se, oseo aave snae marces marces are sna e marces areerveor eac sce.enene m saroue ces.en n noe ee sc rsae meweaoe o mr.
  • ao ose or mae useu nomeoe ousveeesecrres cwoeo scceenme ssu.-nrcoeu are nons-s resnrccaen,oe ancaexe c on a coecens oson oeas sncan coecen.
  • morean oner oneens oneransorm se,e nex nee ansorm marces are usen eac onnrarecon mo soe snae, wc cane conex coenoeen anoro e.urermore, s aeornranonra anner sces, are snae seuamraae an.orronmear.
  • wmenson o, n-ou,e vecor wmenson os maeo a vecor non-sea weres smaeran.or a vecor wmenson o,eca wereeraer manasroxrmassee s maaer ox mxu.ncaeonroeosweee snaeaoma mna zrerxo anne vecor, emenson oeorwar marxs reuceromxox.c -ou meo, marxseransose oeorwar marx wem corn,enverse areroosensscosureoervee or enson ox.momens ae meooervee reuce saaoman zeron-ou.
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  • suc ase oeraons a era oeraons oe Chevronmenmaeroce ssocae wsa,aa acuson,aa communcaons, anoerorm ass onr s.omee orocees ssoersn mea aonvce-ueesc ornee or m morerocessorso execuensrucons mancue one or more moues eos.oreover,erocessor oer comonens.e aacaeeneraconeweenerocessor an sne c ma rocessor mae aenrarocessnn , a mcrorocessor, a ec mneme,o arracas cornoceussrenon , oree.
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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

La présente divulgation concerne le codage et la compression vidéo. Plus précisément, la présente divulgation concerne des procédés et un appareil d'entraînement et de codage de transformation. Un procédé de décodage vidéo est fourni. Le procédé consiste à : obtenir, par l'intermédiaire d'un décodeur, une pluralité de noyaux de transformée de Karhunen-Loève (KLT) pour un bloc actuel dans un mode intra ; et sélectionner, par l'intermédiaire du décodeur, un noyau de transformée KLT pour le bloc actuel dans le mode intra parmi la pluralité de noyaux de transformée KLT.
PCT/US2024/011479 2022-08-28 2024-01-12 Procédés et appareil d'entraînement et de codage de transormation Ceased WO2024152003A1 (fr)

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CN202480007689.2A CN120530625A (zh) 2023-01-13 2024-01-12 用于变换训练和编解码的方法和装置
US19/065,843 US20250211789A1 (en) 2022-08-28 2025-02-27 Methods and apparatus for transform training and coding

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100131934A (ko) * 2009-06-07 2010-12-16 엘지전자 주식회사 비디오 신호의 디코딩 방법 및 장치
KR20200035388A (ko) * 2009-06-07 2020-04-03 엘지전자 주식회사 비디오 신호의 디코딩 방법 및 장치
WO2022069331A1 (fr) * 2020-09-29 2022-04-07 Interdigital Vc Holdings France, Sas Transformée de karhunen-loeve pour le codage vidéo

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100131934A (ko) * 2009-06-07 2010-12-16 엘지전자 주식회사 비디오 신호의 디코딩 방법 및 장치
KR20200035388A (ko) * 2009-06-07 2020-04-03 엘지전자 주식회사 비디오 신호의 디코딩 방법 및 장치
WO2022069331A1 (fr) * 2020-09-29 2022-04-07 Interdigital Vc Holdings France, Sas Transformée de karhunen-loeve pour le codage vidéo

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HAOMING CHEN ; BING ZENG: "New Transforms Tightly Bounded by DCT and KLT", IEEE SIGNAL PROCESSING LETTERS, vol. 19, no. 6, 1 June 2012 (2012-06-01), USA, pages 344 - 347, XP011442399, ISSN: 1070-9908, DOI: 10.1109/LSP.2012.2195172 *
M. KOO (LGE), J. ZHAO (LGE), J. LIM (LGE), S. KIM (LGE): "Non-EE2: Separable KLT for intra coding", 28. JVET MEETING; 20221021 - 20221028; MAINZ; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 21 October 2022 (2022-10-21), pages 1 - 6, XP030304566 *

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