Patent SG-11201900109S-A (SG)
Title: Intra video coding using a decoupled tree structure
Inventor: ZHANG LI
IPC: H04N19/70
Filed: 2017-08-15
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD HIM 0 11101 HOE 3E1 0 101111110111011 OH 010 1111 11110 ill OEN Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\"\" WO 2018/035127 Al 22 February 2018 (22.02.2018) WIP0 I PCT (51) International Patent Classification: Drive, San Diego, California 92121-1714 (US). KAR- H04N 19/463 (2014.01) H04N 19/176 (2014.01) CZEWICZ, Marta; 5775 Morehouse Drive, San Diego, H04N 19/593 (2014.01) H04N 19/186 (2014.01) California 92121-1714 (US). H04N 19/70 (2014.01) H04N 19/11 (2014.01) (74) Agent: SRINIVASAN, Sriram; Shumaker & Sieffert, (21) International Application Number: PA., 1625 Radio Drive, Suite 100, Woodbury, Minnesota PCT/US2017/046956 55125 (US). (22) International Filing Date: (81) Designated States (unless otherwise indicated, for every 15 August 2017 (15.08.2017) kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (25) Filing Language: English CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (26) Publication Language: English DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (30) Priority Data: HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 62/375,383 15 August 2016 (15.08.2016) US October 2016 (05.10.2016) US 62/404,572 05 15/676,314 14 August 2017 (14.08.2017) US OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, (71) Applicant: QUALCOMM INCORPORATED [US/US]; TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. ATTN: International IP Administration, 5775 Morehouse (84) Designated States (unless otherwise indicated, for every Drive, San Diego, California 92121-1714 (US). kind of regional protection available): ARIPO (BW, GH, (72) Inventors: ZHANG, Li; 5775 Morehouse Drive, San GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, Diego, California 92121-1714 (US). CHIEN, Wei-Jung; UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, = 5775 Morehouse Drive, San Diego, California 92121-1714 TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, (US). CHEN, Jianle; 5775 Morehouse Drive, San Diego, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, =_ California 92121-1714 (US). ZHAO, Xin; 5775 Morehouse MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, Title: INTRA VIDEO CODING USING A DECOUPLED TREE STRUCTURE = (54) (57) : Processing circuitry of a device is configured to determine that a plu- = ,- (.222 220 rality of derived modes (DMs) available for predicting a luma block of video data - = DETERMINE MULTIPLE DM MODES AVAILABLE FOR CHROMA BLOCK are also available for predicting a chroma block of the video data, the chroma block corresponding to the luma block, to form a candidate list of prediction modes with respect to the chroma block, the candidate list including one or more DMs of the mul- = = tiple DMs, to determine to code the chroma block using any DM of the candidate list. — I The processing circuitry may, based on the determination to code the chroma block = FORM CANDIDATE LIST (224 using any DM of the one or more DMs of the candidate list, code an indication iden- - INCLUDING ONE OR MORE DM — MODES tifying a selected DM of the candidate list to be used for coding the chroma block. = The processing circuitry may code the chroma block according to the selected DM = of the candidate list. = = — DETERMINE TO DECODE 226 = CHROMA BLOCK USING ANY DM FROM CANDIDATE LIST 11 TODEITCTTIrD IDENINGdEECEIM OF —228 I...' CANDIDATE LIST el 1-1 ir) M 0 \... DECODE INDICATION IDENTIFYING SELECTED DM OF (-230 CANDIDATE LIST Il FIG. 14 © P1 O [Continued on next page] WO 2018/035127 Al MIDEDIMOMMIDIRE1011111111111011111111111111111111111111111111111 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))