(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 3 January 2014 (03.01.2014) WIPOIPCT (10) International Publication Number WO 2014/004201 A1 (51) International Patent Classification: H04N 7/26 (2006.01) H04N 7/50 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/US2013/046529 19 June 2013 (19.06.2013) English English (30) Priority Data: 61/665,862 61/666,688 13/784,006 28 June 2012 (28.06.2012) US 29 June 2012 (29.06.2012) US 4 March 2013 (04.03.2013) US (71) Applicant: QUALCOMM INCORPORATED (US/US); Attn: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (72) Inventors: RAMASUBRAMONIAN, Adarsh Krishnan; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). WANG, Ye-Kui; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). JOSHI, Rajan Lax- man; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). CHEN, Ying; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: DAWLEY, Brian R.; Shumaker & Sieffert, P.A., 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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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, 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). Declarations under Rule 4.17: — as to applicants entitlement to apply for and be granted a patent (Rule 4.17(H)) — as to the applicants entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3)) (54) Title: RANDOM ACCESS AND SIGNALING OF LONG-TERM REFERENCE PICTURES IN VIDEO CODING o CJ o o FIG. 6 TH (57) Abstract: A video coder can be configured to code a random access point (RAP) picture and code one or more decodable lead- O ing pictures (DLPs) for the RAP picture such that all pictures that are targeted for discard precede the DLPs associated with the RAP CJ picture in display order.