Patent SG-11201905243Y-A (SG)
Title: Bilateral filters in video coding with reduced complexity
Inventor: ZHANG LI
IPC: H04N19/159
Filed: 2018-01-25
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 02 August 2018 (02.08.2018) WIP0 I PCT ill mu °million °nolo olomollm Imo oimIE (10) International Publication Number WO 2018/140587 Al 1002 1004 1006 1008 (51) International Patent Classification: H04N 19/117 (2014.01) H04N 19/82 (2014.01) H04N 19/159 (2014.01) H04N 19/86 (2014.01) H04N 19/182 (2014.01) (21) International Application Number: PCT/US2018/015206 (22) International Filing Date: 25 January 2018 (25.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/451,555 27 January 2017 (27.01.2017) US 15/879,359 24 January 2018 (24.01.2018) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (72) Inventors: ZHANG, Li; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). CHEN, Jianle; 10756 Corte De Tiburon, San Diego, California 92130 (US). CHIEN, Wei-Jung; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). KARCZEWICZ, Marta; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (74) Agent: ROSENBERG, Brian M.; 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, (54) Title: BILATERAL FILTERS IN VIDEO CODING WITH REDUCED COMPLEXITY RECONSTRUCT SAMPLES OF CURRENT BLOCK OF VIDEO DATA CATEGORIZE SAMPLES OF CURRENT BLOCK AS TO BE FILTERED OR NOT TO BE FILTERED • FILTER SAMPLES OF CURRENT BLOCK CATEGORIZED AS TO BE FILTERED • STORE FILTERED SAMPLES OF CURRENT BLOCK FIG. 10 (57) : An example method of filtering a reconstructed block of video data includes obtaining, by one or more processors, reconstructed samples of a current block of the video data; and selectively bilaterally filtering, by the one or more processors, the reconstructed samples of the current block to generate a filtered current block. In this example, selectively bilaterally filtering the reconstructed samples of the current block comprises refraining from bilaterally filtering at least one reconstructed sample of the current block such that the filtered current block includes at least one non-bilaterally filtered sample. [Continued on next page] WO 2018/140587 Al MIDEDIM011111 11111111EEM0MOEM01111110111111111111111111111111111111 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))