Patent SG-11201804403T-A (SG)
Title: System and methods for calculating distortion in display stream compression (dsc)
Inventor: THIRUMALAI VIJAYARAGHAVAN
IPC: H04N19/12
Filed: 2017-01-05
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -' Organization International Bureau res.. 00) (43) International Publication Date .... ......) 20 July 2017 (20.07.2017) WIPO I PCT (10) WO International 1111111111113111111111111111111111111111111111111111111111111111111111111111111111111111 2017/123451 Publication Number Al (51) International Patent Classification: (81) Designated H04N 19/176 (2014.01) H04N 19/117 (2014.01) kind H04N 19/147 (2014.01) H04N 19/12 (2014.01) AO, H04N 19/103 (2014.01) H04N 19/85 (2014.01) BZ, DO, (21) International Application Number: HN, PCT/US2017/012331 KP, (22) International Filing Date: MD, 5 January 2017 (05.01.2017) NI, RU, (25) Filing Language: English TH, (26) Publication Language: English ZA, ZM, ZW. (30) Priority Data: (84) Designated 62/277,379 11 January 2016 (11.01.2016) US kind 15/398,567 4 January 2017 (04.01.2017) US GM, TZ, (71) Applicant: QUALCOMM INCORPORATED [US/US]; TJ, TM), Attn: International IP Administration, 5775 Morehouse DK, EE, ES, of national AT, AU, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HR, HU, KR, KW, ME, MG, NO, NZ, RW, SA, TJ, TM, of regional KE, LR, UG, ZM, States States European (unless otherwise indicated, for every protection available): AE, AG, AL, AM, AZ, BA, BB, BG, BH, BN, BR, BW, BY, ID, IL, IN, IR, IS, JP, KE, KG, ICH, KN, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MK, MN, MW, MX, MY, MZ, NA, NG, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, (unless otherwise indicated, for every protection available): ARIPO (BW, GH, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (AL, AT, BE, BG, CH, CY, CZ, DE, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, Drive, San Diego, California 92121-1714 (US). LV, SM, MC, MK, TR), OAPI MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, (72) Inventors: THIRUMALAI, Vijayaraghavan; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). GW, KM, ML, MR, NE, SN, TD, TG). JACOBSON, Natan Haim; 5775 Morehouse Drive, San Published: Diego, California 92121-1714 JOSHI, Rajan Lax- (US). - with international man; 5775 Morehouse Drive, San Diego, California 21(3)) search report (Art 92121-1714 (US). (74) Agent: ABUMERI, Mark M.; Knobbe Martens Olson & Bear LLP, 2040 Main Street, Fourteenth Floor, Irvine, California 92614 (US). (54) Title: SYSTEM AND METHODS FOR CALCULATING DISTORTION IN DISPLAY STREAM COMPRESSION (DSC) SOURCE VIDEO Colof Spsce PREDICTOR QUANTIZE R DATA 1, Converter los AND RECONSTRUCTOF 13 COMPONENT (RGB or YCOC9 I 125 DISTORTION CIRCUIT 188 Distortion Distorton Distortion 395a 34cb 3451 A (Mode 1 (Mode 2) ;Mode n) 390b 340n I 31\0 390a 315 I s Block 2 \ I ,. Bloc 2 A i(ROB) ' (YCoCE1 Flock 1 1 OW — Block 1 (YCoCe) Difference Difference Difference Il .4t Block Encoder 320 4.• 325 4) (Mode 1 3354 (Mo 3351) 1 e 2) I 'Mode 335\" 1 1 o) in Il Transform Ts 1 Encod=d Block 1 (Mod€ 2) = it \". Midpoint Prediction Encoded Block 1 (Model) __ en ei FIG. 3 1-1 it-- 1-1 (57) : Systems and methods are disclosed for calculating a distortion value of a frame or block, in a number of color spaces, O and determining an optimal coding mode based on the calculated distortion values. One embodiment includes a system having a \" video source that includes a video camera or a video archive that contains previously stored video content, and a processor con - 0 figured to encode the stored video content.