Patent SG-11201900967X-A (SG)
Title: Linear model chroma intra prediction for video coding
Inventor: ZHANG KAI
IPC: H04N19/80
Filed: 2017-09-15
Abstract: PUBLISHEDUNDER THE PATENT COOPERATION TREATY (PCT) oimitia °nolo olmoll mum oIIII1# (10) International Publication Number WO 2018/053293 Al WIPO I PCT (12) INTERNATIONAL APPLICATION (19) World Intellectual Property Organization International Bureau (43) International Publication Date 22 March 2018 (22.03.2018) (51) International Patent Classification: H04N 19/176 (2014.01) HO4N 19/186 (2014.01) HO4N 19/147 (2014.01) HO4N 19/80 (2014.01) HO4N 19/46 (2014.01) HO4N 19/13 (2014.01) H04N 19/593 (2014.01) H04N 19/157 (2014.01) HO4N 19/132 (2014.01) (21) International Application Number: PCT/US2017/051821 (22) International Filing Date: 15 September 2017 (15.09.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/395,145 15 September 2016 (15.09.2016) US 15/705,029 14 September 2017 (14.09.2017) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). = (72) Inventors: ZHANG, Kai; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). CHEN, Jianle; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). ZHANG, Li; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). KARCZEWICZ, Marta; 5775 More- house Drive, San Diego, California 92121-1714 (US). (74) Agent: EVANS, Matthew J.; Shumaker & Sieffert, PA., 1625 Radio Drive, Suite 300, 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, 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, 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, W O 20 18/05 3 293 Al (54) Title: LINEAR MODEL CHROMA INTRA PREDICTION FOR VIDEO CODING (57) : A method of decoding video data, including receiving an encoded block of luma samples for a first block of video data, decoding the encoded block of luma samples to create reconstructed luma samples, and predicting chroma samples for the first block of video data using the reconstructed luma samples for the first block of video data and two or more linear prediction models. RECONSTRUCT THE ENCODED BLOCK OF LUMA SAMPLES TO CREATE RECONSTRUCTED LUMA SAMPLES PREDICT CHROMA SAMPLES FOR THE FIRST BLOCK OF VIDEO DATA USING THE RECONSTRUCTED LUMA SAMPLES FOR THE FIRST BLOCK OF VIDEO DATA AND TWO OR MORE LINEAR PREDICTION MODELS FIG. 18 [Continued on next page] ENCODE A BLOCK OF LUMA ( -132 SAMPLES FOR A FIRST BLOCK OF VIDEO DATA ( -134 ( -136 WO 2018/053293 Al MIDEDIMOMMIDIREIDINIENIIIMOICIMMOVOIS 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)) before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))