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1. (WO2013119455) SHAPE REFLECTOR AND SURFACE CONTOUR MAPPING
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2013/119455 International Application No.: PCT/US2013/024227
Publication Date: 15.08.2013 International Filing Date: 31.01.2013
IPC:
G06T 7/00 (2006.01) ,G01B 11/24 (2006.01) ,G01S 17/06 (2006.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
T
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7
Image analysis, e.g. from bit-mapped to non bit-mapped
G PHYSICS
01
MEASURING; TESTING
B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
11
Measuring arrangements characterised by the use of optical means
24
for measuring contours or curvatures
G PHYSICS
01
MEASURING; TESTING
S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02
Systems using the reflection of electromagnetic waves other than radio waves
06
Systems determining position data of a target
Applicants: APPLE INC.; 1 Infinite Loop Cupertino, CA 95014, US
Inventors: KESSLER, Patrick; US
RUNDEL, Nicholas, Alan; US
Agent: FERRAZANO, Michael, J.; Womble Carlyle Sandridge & Rice LLP 10050 North Wolfe Road, Suite 260 Cupertino, CA 95014, US
Priority Data:
13/630,02528.09.2012US
61/596,67408.02.2012US
Title (EN) SHAPE REFLECTOR AND SURFACE CONTOUR MAPPING
(FR) RÉFLECTEUR FAÇONNÉ ET TOPOGRAPHIE DE COURBES DE NIVEAU D'UNE SURFACE
Abstract:
(EN) The three dimensional surface shape of one or more layers of a reflective object is determined by examining one or more captured images reflected from the reflective object. Curved surfaces reflect a distorted image altered by the surface shape. By analyzing one or more captured images of the distorted reflected images, the shape of the surface that caused the distortion is estimated. A captured distorted image is compared to a reference undistorted image having known geometric properties. A system to capture and process such images is assembled from components including an image capture assembly such as a digital camera to capture reflected images and a positioning assembly on which to orient the components with respect to each other. Multiple surface layers of the reflective object are separately estimated using polarizations, luminance levels, chroma values or combinations thereof contained in one or more captured images.
(FR) La forme d'une surface tridimensionnelle d'une ou plusieurs couches d'un objet réfléchissant est déterminée par examen d'une ou plusieurs images acquises réfléchies par l'objet réfléchissant. Les surfaces incurvées réfléchissent une image déformée et modifiée par la forme de la surface. En analysant une ou plusieurs images acquises parmi les images réfléchies et déformées, la forme de la surface ayant provoqué la déformation est estimée. Une image déformée acquise est comparée à une image non déformée de référence ayant des propriétés géométriques connues. Un système permettant d'acquérir et de traiter de telles images est assemblé à partir de composants comprenant un ensemble d'acquisition d'images tel qu'un appareil photo numérique permettant d'acquérir des images réfléchies et un ensemble de positionnement sur lequel les composants peuvent être orientés les uns par rapport aux autres. De multiples couches de surface de l'objet réfléchissant sont estimées séparément en utilisant des polarisations, des niveaux de luminance, des valeurs de chroma ou des combinaisons de celles-ci qui sont contenues dans une ou plusieurs images acquises.
front page image
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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, 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, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)