Patent SG-11201806737R-A (SG)
Title: Decoding video data using a two-level multi-type-tree framework
Inventor: LI XIANG
IPC: H04N19/46
Filed: 2017-03-21
Abstract: r DECODE REGION-TREE SYNTAX ELEMENTS DETERMINE SIZES OF BLOCKS AT REGION-TREE LEVEL DECODE PREDICTION-TREE SYNTAX ELEMENTS ,-222 ( -224 DETERMINE SIZES OF BLOCKS AT PREDICTION-TREE LEVEL 7 ,226 International Patent Classification: H04N 19/50 (2014.01) H04N 19/30 (2014.01) (72) H04N 19/176 (2014.01) H04N 19/96 (2014.01) H04N 19/119 (2014.01) H04N 19/103 (2014.01) H04N 19/46 (2014.01) H04N 19/583 (2014.01) (21) International Application Number: (51) (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/165375 Al 28 September 2017 (28.09.2017) WIPO I PCT 111111111111110111011111111111010111110 011111111101111111111111111111111111110111111 W O 20 17 / 165 375 Al ,-234 ( -238 (-240 PCT/US2017/023351 (22) International Filing Date: 21 March 2017 (21.03.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/311,248 21 March 2016 (21.03.2016) US 62/401,016 28 September 2016 (28.09.2016) US 15/463,398 20 March 2017 (20.03.2017) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). Inventors: LI, Xiang; 5775 Morehouse Drive, San DIego, California 92121-1714 (US). CHEN, Jianle; 5775 More- house Drive, San Diego, California 92121-1714 (US). ZHANG, Li; 5775 Morehouse Drive, San Diego, Califor- nia 92121-1714 (US). ZHAO, Xin; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). CHUANG, Hsiao-Chiang; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). ZOU, Feng; 9115 Ju- dicial Drive, Apt. 4103, San Diego, California 92122 (US). KARCZEWICZ, Marta; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: DAWLEY, Brian R.; Shumaker & Sieffert, P.A., 1625 Radio Drive, Suite 100, Woodbury, Minnesota 55125 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, [Continued on next page] = (54) Title: DECODING VIDEO DATA USING A TWO-LEVEL MULTI-TYPE-TREE FRAMEWORK (57) : An example device for decoding video data includes a video de- coder configured to decode one or more syntax elements at a region-tree level of a region-tree of a tree data structure for a coding tree block (CTB) of video data, the region-tree having one or more region-tree nodes including region-tree leaf and non-leaf nodes, each of the region-tree non-leaf nodes having at least four child re- gion-tree nodes, decode one or more syntax elements at a prediction-tree level for each of the region-tree leaf nodes of one or more prediction trees of the tree data structure for the CTB, the prediction trees each having one or more prediction-tree leaf and non-leaf nodes, each of the prediction-tree non-leaf nodes having at least two child prediction-tree nodes, each of the prediction leaf nodes defining respect- ive coding units (CUs), and decode video data for each of the CUs. DECODE PREDICTION ,-228 INFORMATION DETERMINE PREDICTION ( -230 INFORMATION FOR CUs DECODE QUANTIZED ( -232 INFORMATION INVERSE QUANTIZE TRANSFORM INFORMATION INVERSE TRANSFORM RESIDUAL INFORMATION DETERMINE RESIDUAL INFORMATION FOR CUs COMBINE PREDICTION AND RESIDUAL INFORMATION FIG. 14 WO 2017/165375 Al MIDEDIMOMOIDEIR010130HIONIIIMMOVOIS MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 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, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, 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))