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1. (WO2019028152) EYE TRACKING USING TIME MULTIPLEXING
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Pub. No.: WO/2019/028152 International Application No.: PCT/US2018/044829
Publication Date: 07.02.2019 International Filing Date: 01.08.2018
IPC:
G06F 3/01 (2006.01) ,G02B 27/01 (2006.01) ,G06K 9/00 (2006.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
3
Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01
Input arrangements or combined input and output arrangements for interaction between user and computer
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27
Other optical systems; Other optical apparatus
01
Head-up displays
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
K
RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9
Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
Applicants:
FACEBOOK TECHNOLOGIES, LLC [US/US]; 1601 Willow Road Menlo Park, CA 94025, US
Inventors:
CAVIN, Robert, Dale; US
FIX, Alexander, Jobe; US
OUDERKIRK, Andrew, John; US
Agent:
HULSE, Robert, A.; US
AMSEL, Jason; US
BINGHAM, Jonathan, W.; US
AHN, Dohyun; US
BRANNON, Brian, G.; US
Priority Data:
15/669,57204.08.2017US
Title (EN) EYE TRACKING USING TIME MULTIPLEXING
(FR) POURSUITE OCULAIRE À L'AIDE D'UN MULTIPLEXAGE TEMPOREL
Abstract:
(EN) A head mounted display (HMD) comprises an eye tracking system configured to enable eye-tracking using light. The eye tracking system implements time-multiplexing by configuring a source assembly comprising a plurality of light sources to project at least a first light partem towards the user's eye over a first time period, and a second light pattern towards the user's eye over a second time period in accordance with a set of emission instructions. A camera assembly is configured to capture images of the user's eye during the first and second time periods in accordance with a set of imaging instructions, the captured images containing one or more glints corresponding to reflections of the first or second light patterns on the cornea of the user's eye. The location of the glints may be used to determine a shape or orientation of the eye.
(FR) La présente invention concerne un visiocasque (HMD) qui comprend un système de poursuite oculaire configuré pour permettre la poursuite oculaire au moyen de lumière. Le système de poursuite oculaire met en œuvre un multiplexage temporel par configuration d'un ensemble source comprenant une pluralité de sources de lumière pour projeter au moins un premier motif lumineux en direction de l'œil de l'utilisateur sur une première période de temps, et un second motif lumineux en direction de l'œil de l'utilisateur sur une seconde période de temps en fonction d'un ensemble d'instructions d'émission. Un ensemble caméra est configuré pour capturer des images de l'œil de l'utilisateur pendant les première et seconde périodes de temps en fonction d'un ensemble d'instructions d'imagerie, les images capturées contenant un ou plusieurs reflets correspondant aux réflexions des premier ou second motifs lumineux sur la cornée de l'œil de l'utilisateur. L'emplacement des reflets peut être utilisé pour déterminer une forme ou une orientation de l'œil.
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Designated States: 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
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)