Patent SG-11201408111U-A (SG)
Title: Signaling long-term reference pictures for video coding
Inventor: RAMASUBRAMONIAN ADARSH KRISHNAN
Filed: 2013-06-24
Abstract: (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 2014/004391 A1 (51) International Patent Classification: H04N 7/36 (2006.01) H04N 7/26 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/US2013/047367 24 June 2013 (24.06.2013) English English (30) Priority Data: 61/665,784 13/924,016 28 June 2012 (28.06.2012) US 21 June 2013 (21.06.2013) 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, [Continued on next page] (54) Title: SIGNALING LONG-TERM REFERENCE PICTURES FOR VIDEO CODING (57) Abstract: A video decoder may be configured to decode first value a representative of difference a between a base most significant bits (MSBs) value of a picture order count (POC) value of a current picture of video data and first a MSBs value of a first POC value of a first long-term reference pic - ture of the video data, decode a second value representative of difference a between a second MSBs value of second POC value of second long-term a a reference picture of the video data and the first MSBs value, wherein the first POC value and the second POC value have different least significant bits val­ ues, and decode at least a portion of a current picture of the video data relat­ ive to at least one of the first long-term reference picture and the second long- term reference picture. 0\ m o o FIG. 6 o CJ o & wo 2014/004391 AI III llll IIII III III Hill III III III Hill Hill lllll 111 lllll 111 lllllll llll 111 llll 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 applicant's entitlement to apply for and be granted a patent (Rule 4.17(H)) — as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3))