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HUE024172T2 - Lehetséges frekvencia transzformáció készlet adaptálása blokkméret és intra mód alapján - Google Patents

Lehetséges frekvencia transzformáció készlet adaptálása blokkméret és intra mód alapján Download PDF

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HUE024172T2
HUE024172T2 HUE11733763A HUE11733763A HUE024172T2 HU E024172 T2 HUE024172 T2 HU E024172T2 HU E11733763 A HUE11733763 A HU E11733763A HU E11733763 A HUE11733763 A HU E11733763A HU E024172 T2 HUE024172 T2 HU E024172T2
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block
intra
transform
prediction
video
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Marta Karczewicz
Muhammed Zeyd Coban
Peisong Chen
Hsiao-Chiang Chuang
Rajan Laxman Joshi
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Qualcomm Incorporated(1/3)
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    • 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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
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    • 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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
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    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
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    • 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
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    • 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
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    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
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    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/46—Embedding additional information in the video signal during the compression process
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    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
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    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression

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Claims (4)

  1. Lehetséges Bssiwemda íranrzfnrrsádő késztet sítajstsíása biohkméret: és iníra mód al«p|da Szalpdaimi igénypostsk 1» Eprás videó adatok dekódolására. az ejj&ás tartalmazza: •$gy laka előrebecslést mód sM iódskáelépnák vételét (281} ggy videó adidblokk dekódolására iaríeaö fcasájiá* latra; ásnak meghai&qzását (212), hogy a blokk íaríahnaz-e egy áibiokkot, amely vonatkozásiban többszörös transz-förmácié lehetséges* ábol a meghatározás az alhlokk méretért és a jelölt tatra elörebecslesl módon alítpol; 1® Alé^til^itezza azt az slhlokkoh amely vonatkssásábaít többszörös inverz transzformáció lehetséges; többszörös: lehetséges inverz tfaísszibímámök egyike második Indikációjának vételét (214);; és az:alblökk Inverz trpsz&íirmálását (216) a többszörös lehetséges inverz: transzlbrmiciök jelzett egyikének haszé nálatával. Az. I. igénypont szerinti eljárás, araely, ka a blokk mm tartalmazza A az áibiokkot, amelynek vonatkozásában többszörös Inverz bpszíotmáeiő lehetséges, tartalmazza a blokk inverz tömsz forrná lását (218) a blokkhoz jelzetí eióf ebeeslés I móddal társított, inverz transzfemskió használatával, 3. A.z L igénypont szerinti eljárás, amely tartalmazz;: továbbá aZon: blokk: Összes atbiokkjának, mély blokk olyan mérető, aiáeiyböz többszörös Inverz tmnszlbrnsácló lehetséges, a többszörös l.^te^i^#^:s|göi|ií§a5Í^Í^áeióig §e$ÍP égylkéosk használatánál löriaöS: inverz transzformálását (21 ö), 4 Az 1, igénypont szerinti eláras, almi az tetra elörebeesiési mód egy első ititra elörebeesl®! módot tarSálotaz, és áltól az alblokk egy első alblókkoi; tartalmaz, az éjiárás tatlaimapa tövébhá; annak meghatározáaá·: (284), bogy a blokk tartalmaz-e egy második olyan mérető áibiökkob amelyre vonatkozóan az első inba előrebecslést mód nem alkalmatdiatö; ha a blokk tartalmazza az olyan méreti második alblokkoi, amelyre az első inira előrebecslést tnód nem alkalmazható: egy második tótra elmebecslesl mód: ntsghaíározésát (28ö), amelyre az első intea elorebecslési mód le van képezve; és a második slblókk Atebeeslesé}; (28ő) a második lóba előrebecslés) mód használatával. 5» A 4. kgénypont szerinti eljéms, asjeiy tartalmazza továbbá az összes albfokk előrebecslését (20Β) a? első iotra előrebecslés! mód alkalmazásával, amennyiben az első intra előrebecslést mód a blokk Összes alhlokkja számára rendelkezésre áll, 4 ÁZ 1, Ipóypeöt szennír élj árás, ahol az első jelzés vétele tartalmazza az első jelzés vételét a videó tKÍatbiókk-hoz tartozó négyágú S adatstrokíma ^ökér csomópontjában, ?. Berendezés videó adatok dekódolására, a berendezés tartalmaz: eszibzt ép tatra slórebeesiési mód elsó indikpiölpsk vételára ep yM# adáíbiökk dekódolására történő használatra; eszköat mmttit meghatározására, hogy & iblökk tartsímaz-e egy aibiískköt. amely vnoaÉstatalém SiÉibsairös tfastszÉsnjsáelo: lehetséges, ahol a meghatározás az aibktkk méretéo és a jeléit Jóira eídrshééslésl ölödön álágak eszközt többszörös tehetséges invert transzformációk egyike második indikációjánsk vételére, ha s blokk tartaí-tsaasrassl m alblokkok ámety y^aíkoMsábao eszközt: m aiblokk inverz transzformálására a többszörös lehetséges inverz traaszformáciék jelzett egyikének htazoálbtávai, ha a blokk tartalmazza azt m aibl#fcöh amely vonaiksseasabaa többszörös inverz traoszttröráeló lehetséges. 8. A 7. igénypont szerinti hersodezds, $iolm első jelzést vevő eszköz, a meghatározó eszköz, az agy második jelzést vevő «szköz és az Inverz trtmszlbsaáeiot végző eszköz egy videó dekóderherrvaó megvalósítva, % Számítógép program termék, amely egy számkőgéppei olvasató tároióközeget tartalmaz, antelv rajta tárolt «tpitásokaí tartalmaz, amelyek végyekegtás# Sót'áa egy processzort az l-δ. i#«ypooink bármelyike szerinti eljárás végrehajtására késztetnék,
  2. 18. Biprás videó adatok kódolására, azeíjárás íartahnazza; egy mlra előrebecslést mód kM^ziasáí (201 } egy videó adaiblo&amp;Mdo Sására törté# haszoáíaira; annak meghatározását (212), hogy a blokk tartalmaz-e ogy aihlokkoi:, amely vonatkozásában többszörös írattsz-Ibrmáoiö lehetséges, ahol a t#j|la^risM:^Má6:ótíteéíi és a Mviísszton intrs elórtíheéslési ntódön alap# ba a blokk tartalmazza azt az áiblokkót, amely vonatkozásában többszörös banszíorcaáelö lehetséges: a többszörös lehetséges transzíbrrnációkegyikéttek kiválasztását <214}; az alhlokk trspszlbímáiását (21.6) a többszörös lehetséges írahsáfbrtó#jök kiválasztott akikének baszttöatávab és a többszörös; lehetséges tnatssz^tmáoléli^ilSiM^^jl^^sk rendelkezésre bocsátását (214) M álblokk; méretére vonatkozóan.
  3. 11, A lö. igénypont szsrioti eljárás, ahöl az Inba ajörebéesiési mod egy első latra elör#eeslesi módot tartalmaz, és áltól az alblokk egy első aibíokkoi í&amp;n&amp;lmsz, u eljárás tartalmazza továbbá: annak meghatározását {204), hogy a blokk tartalmaz-e egy második olyan mérető alblokkot, amelyre vonatkozóan az dsö latra· előrebecslést mód nets alkalmaztató; bá á blokk tartalmazza az olyan méreti második alblokkot, amelyre az első Inba élórobeeslésl mőd: oetn álkal-mazható: egy második Inba· előrebecslést mód me|határözását (2öö}, amelyre az: alsó írtba előrebecslést méd ia vén .képezve; és a második álblokk előrebecslését {2M7 a második intra elorcbecslési mód használatával 13. A :1 Ö, igénypont szarát! eljárás, ahol: &amp; Jete rendelkezésre bocsátás» magába» foglalja &amp; jelzés rmtáalkazés-re bocsátását a videó adatblokk négyágú &amp; adatströktáragyökérosöíBÖponpban.
  4. 13. Berendezés videó adatok kódolására, a. feercndasrá tartalma»: «safe* egy íntra előrebecslés! ;mód kiválasztására egy videó adatblokk kódolására történő 'használatra:; eszközt annak meghatározására, hogy a blokk íartdmaz.-e agy «Iblokkot, amely vonatkozásában többszörös transzformáció lehetséges, ahol a magbstátózás az siblokk méretén és a kiválasztott áitm előrebecslést módos alapok eszközt .&amp; többszörös lehetséges transzfermádók egyikének kiválasztására, ha a blokk, tartalmazza azt m-alhktkkot, amely vonatkozásában többszöröz transzformáció lehetséges: eszközt az alblokk transzformálására a többszörös lehetséges ö-arsszfonnádék kiválasztott egyikének használatával, ka a blokk tartalmazza azt az alhlokkot, amely vonatkozásában többszörös transzformáció lehetséges; és eszközt: a többszörös lehetséges transzformációk kiválasztott egyike jelzésének rendelkezésre bocsátására az alblokk méretére xnmaíkοζό&amp;η, ha a blokk tmtalmazza azt az aiblokkok amely vonatkozásában többszörös transz-formádé lehetséges. 14 A 13.· Igénypont szerinti berendezés, ahol az egy inba előrebecslést módot kiválasztó eszköz, a meghatározó eszköz, a többszörös lehetséges transzformációs egyiket kiválasztó eszköz, a tr&amp;aszfsnnáciöt végzefmjiő eszköz és a .rendelkezésre bocsátó eszköz egy videó kódolóban van megvalósítva, IS. Számítógép program: termék, amely egy számítógéppel olvasható tárolöközeget tartalmaz, amely rajta tárolt atasitásohah tartalmaz, amelyek végrehajtásuk során egy processzort a 3.0-12. igénypontok· bármelyike szerinti eljárás végrehajtására késztetnek.
HUE11733763A 2010-07-09 2011-07-08 Lehetséges frekvencia transzformáció készlet adaptálása blokkméret és intra mód alapján HUE024172T2 (hu)

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US36312710P 2010-07-09 2010-07-09
US37457310P 2010-08-17 2010-08-17
US37742010P 2010-08-26 2010-08-26
US13/178,427 US9172968B2 (en) 2010-07-09 2011-07-07 Video coding using directional transforms
US13/178,434 US9215470B2 (en) 2010-07-09 2011-07-07 Signaling selected directional transform for video coding
US13/178,438 US9661338B2 (en) 2010-07-09 2011-07-07 Coding syntax elements for adaptive scans of transform coefficients for video coding

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CN105049852A (zh) 2015-11-11
EP2680585A3 (en) 2014-03-19
KR20150046353A (ko) 2015-04-29
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US10390044B2 (en) 2019-08-20
JP5746339B2 (ja) 2015-07-08
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