Patent SG-11201901756U-A (SG)
Title: Method and device for determining position of a target
Inventor: WITHANAGE DON Anusha Indrajith
IPC: H04N13/204
Filed: 2017-08-22
Abstract: Emitter 1---- - 134 --- ----4 ' Sensor 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 08 March 2018 (08.03.2018) WIPO I PCT omitia °nolo olomomioilin ono ow (10) International Publication Number WO 2018/044233 Al (51) International Patent Classification: GOOF 3/03 (2006.01) GO1S 17/66 (2006.01) GOOK 9/62 (2006.01) H04N 13/204 (2006.01) G01S 17/06 (2006.01) (21) International Application Number: PCT/SG2017/050412 (22) International Filing Date: 22 August 2017 (22.08.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 10201607239Q 31 August 2016 (31.08.2016) SG (71) Applicant: SINGAPORE UNIVERSITY OF TECH- NOLOGY AND DESIGN [SG/SG]; 8 Somapah Road, Singapore 487372 (SG). (72) Inventors: WITHANAGE DON, Anusha Indrajith; Care of 8 Somapah Road, Singapore 487372 (SG). NANAYAKKARA, Suranga Chandima; Care of 8 Somapah Road, Singapore 487372 (SG). PULUKKUT- TI ARACHCHIGE DON, Shanaka Ransiri; Care of 8 Somapah Road, Singapore 487372 (SG). (74) Agent: POH, Chee Kian, Daniel; Marks & Clerk Singa- pore LLP, Tanjong Pagar, P 0 Box 636, Singapore 910816 (SG). (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, (54) Title: METHOD AND DEVICE FOR DETERMINING POSITION OF A TARGET Figure 3 (57) : Method and device 100 for determining a position of a target 142 is disclosed herein. In a described embodiment, the method includes sequentially directing each of a plurality of lighting patterns at the target 142, each lighting pattern comprising a plurality of illuminations from respective ones of a plurality of emitters 108, receiving, at a plurality of sensors 118, reflected illumination of each lighting pattern as reflected from the target 142; and determining the position of the target 142 using the reflected illuminations of the lighting patterns and a first classifier previously trained to associate the reflected illuminations to a position of the target 142. In the method, each lighting pattern differs from other lighting patterns by at least an intensity of one of the illuminations; and the intensity of the illumination from at least one emitter is variable between more than two levels. A method of training a classifier for use in the method is also disclosed. [Continued on next page] WO 2018/044233 Al MIDEDIMOMOIDEIREEMOMMOIMMOODEVOIMIE 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, 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: — of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3))