Patent SG-11201809847Y-A (SG)
Title: Color look up table compression
Inventor: HU ZENHUA
IPC: H04N1/60
Filed: 2016-11-07
Abstract: 102 COMPRESSED DIFFERENCE TABLE Fig. 1 O O co O C (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 11 January 2018 (11.01.2018) WIP0 I PCT omit VIII °nolo III o 1101 X10101110111 Immo oimIE (10) International Publication Number WO 2018/009234 Al (51) International Patent Classification: HO4N 1/60 (2006.01) HO4N 1/41 (2006.01) HO4N 1/00 (2006.01) (21) International Application Number: PCT/US2016/060873 (22) International Filing Date: 07 November 2016 (07.11.2016) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: PCT/US2016/041633 08 July 2016 (08.07.2016) US (71) Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US/US]; 11445 Compaq Center Drive W., Houston, Texas 77070 (US). PURDUE RESEARCH FOUNDATION [US/US]; 1281 Win Hentschel Blvd., West Lafayette, Indiana 47906 (US). (72) Inventors: HU, Zenhua; 1281 Win Hentschel Blvd., West Lafayette, Indiana 47906 (US). TANG, Chuohao; 1281 Win Hentschel Blvd., West Lafayette, Indiana 47906 (US). NELSON, Terry M.; 11311 Chinden Blvd, Boise, Idaho 83714-0021 (US). SHAW, Mark Q.; 11311 Chinden Blvd, Boise, Idaho 83714-0021 (US). ALLEBACH, Jan P.; 1281 Win Hentschel Blvd., West Lafayette, Indiana 47906 (US). REIBMAN, Amy Ruth; 1281 Win Hentschel Blvd., West Lafayette, Indiana 47906 (US). (74) Agent: MORRIS, Jordan et al.; HP Inc., 3390 E. Harmony Road, Mail Stop 35, Fort Collins, Colorado 80528 (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, JP, KE, KG, 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. (54) Title: COLOR LOOK UP TABLE COMPRESSION (57) : A memory device includes a compressed color table having a compressed difference table and a residue table. The difference table includes difference nodes in which each difference node represents a value that is a difference of a value of a node of an original color table and a value of a corresponding node of a reference color table. The residue table includes residue nodes in which each residue node represents a value that is a difference of a value of a node of the original color table and a value of a corresponding node of a reconstructed compressed difference table. [Continued on next page] WO 2018/009234 Al 111111111111111111101010111110111110111 011111111011101 11111 111111111111110 HOED (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). Declarations under Rule 4.17: — as to the identity of the inventor (Rule 4.17(0) Published: — with international search report (Art. 21(3))