Patent SG-11201901365Q-A (SG)
Title: Adaptive motion vector precision for video coding
Inventor: CHEN JIANLE
IPC: H04N19/70
Filed: 2017-10-04
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) -., (19) World Intellectual Property MD HIM 0 11101 HOE HI 1 0 011101100 11111100 MOE 11110 ill 011 Organization International Bureau (10) International Publication Number (43) International Publication Date ......'\"' WO 2018/067672 Al 12 April 2018 (12.04.2018) WIP0 1 PCT (51) (21) (22) (25) Filing Language: (26) (30) International Patent Classification: (71) Applicant: QUALCOMM INCORPORATED [US/US]; HO4N 19/52 (2014.01) HO4N 19/136 (2014.01) ATTN: International IP Administration, 5775 Morehouse H04N 19/70 (2014.01) H04N 19/157 (2014.01) Drive, San Diego, California 92121-1714 (US). H04N 19/102 (2014.01) (72) Inventors: CHEN, Jianle; 5775 Morehouse Drive, San International Application Number: Diego, California 92121-1714 (US). CHIEN, Wei-Jung; PCT/US2017/055091 5775 Morehouse Drive, San Diego, California 92121-1714 (US). LI, Xiang; 5775 Morehouse Drive, San Diego, Cal- International Filing Date: 04 October 2017 (04.10.2017) ifornia 92121-1714 (US). ZHANG, Li; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). KAR- English CZEWICZ, Marta; 5775 Morehouse Drive, San Diego, Publication Language: English California 92121-1714 (US). (74) Agent: EVANS, Matthew J.; Shumaker & Sieffert, PA., Priority Data: 1625 Radio Drive, Suite 300, Woodbury, Minnesota 55125 62/404,105 04 October 2016 (04.10.2016) US (US). 15/724,044 03 October 2017 (03.10.2017) 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, Title: ADAPTIVE 1 FIG. 8 (ROUNDED : A method -prediction mode, receiving one or of video data, determining the MVD, wherein number of samples indicated greater than 1, decoding the encoded block of video data (54) inter N j . \" indicating © decoding MOTION VECTOR PRECISION video data, more syntax elements MVD precision, more MVD successive codeword more syntax elements using the decoded MVD. FOR VIDEO CODING an encoded block of video a motion or more an N-sample MVD precision, or more syntax elements the MVD data that was encoded (MVD) for the one where indicating using an encoded elements indicating wherein N and FULL PEL 200 FULL PEL 201 FULL PEL 202 FULL PEL 203 = (ROUNDED (ROUNDED PIXEL/SAMPLE FOR CURRENT BLOCK INTEGER PEL PRECISION CODEWORD = 1 2 SAMPLE PRECISION CODEWORD = 0 DOWN) 3 SAMPLE PRECISION CODEWORD = 0 DOWN) 4 SAMPLE PRECISION CODEWORD = 0 DOWN) of decoding a current the three or by each the one or (ROUNDED DOWN) (ROUNDED DOWN) 1 PIXEL/SAMPLE FOR CURRENT BLOCK INTEGER PEL PRECISION CODEWORD = 2 2 SAMPLE PRECISION CODEWORD = 1 3 SAMPLE PRECISION CODEWORD = 0 4 SAMPLE PRECISION CODEWORD = 0 including receiving indicating from three precisions include of the one indicating (ROUNDED 1 PIXEL/SAMPLE FOR CURRENT BLOCK INTEGER PEL PRECISION CODEWORD = 3 2 SAMPLE PRECISION CODEWORD = 1 DOWN) 3 SAMPLE PRECISION CODEWORD = 1 4 SAMPLE PRECISION CODEWORD = 1 (ROUNDED UP) vector difference MVD precisions, using the determined DOWN) (ROUNDED current 1 PIXEL/SAMPLE FOR CURRENT BLOCK INTEGER PEL PRECISION CODEWORD = 4 2 SAMPLE PRECISION CODEWORD = 2 3 SAMPLE PRECISION CODEWORD = 1 4 SAMPLE PRECISION CODEWORD = 1 associated with the or more syntax N is an integer the MVD, and MVD precision, 1-1 IN el (57) N block 0 ----. a GC , 1 is ei C [Continued on next page] WO 2018/067672 Al MIDEDIMOMMIDIIMERIONIMMEMEHIEMOVOIS 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, 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))