WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2009139722) AUTOMATIC CUP-TO-DISC RATIO MEASUREMENT SYSTEM
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2009/139722    International Application No.:    PCT/SG2008/000186
Publication Date: 19.11.2009 International Filing Date: 14.05.2008
Chapter 2 Demand Filed:    24.09.2008    
IPC:
A61B 3/12 (2006.01)
Applicants: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH [SG/SG]; 1 Fusionopolis Way #20-10 Connexis Singapore 138632 (SG) (For All Designated States Except US).
SINGAPORE HEALTH SERVICES PTE LTD.; 31 Third Hospital Avenue, #03-03, Bowyer Block, Singapore 168753 (SG) (For All Designated States Except US).
NATIONAL UNIVERSITY OF SINGAPORE [SG/SG]; 21 Lower Kent Ridge Road Singapore 119077 (SG) (For All Designated States Except US).
LIU, Jiang [SG/SG]; (SG) (For US Only).
LIM, Joo Hwee [SG/SG]; (SG) (For US Only).
WONG, Wing Kee, Damon [SG/SG]; (SG) (For US Only).
LI, Huiqi [CN/SG]; (SG) (For US Only).
WONG, Tien Yin [SG/SG]; (SG) (For US Only)
Inventors: LIU, Jiang; (SG).
LIM, Joo Hwee; (SG).
WONG, Wing Kee, Damon; (SG).
LI, Huiqi; (SG).
WONG, Tien Yin; (SG)
Agent: WATKIN, Timothy, Lawrence, Harvey; MARKS & CLERK SINGAPORE LLP Tanjong Pagar P O Box 636 Singapore 910816 (SG)
Priority Data:
Title (EN) AUTOMATIC CUP-TO-DISC RATIO MEASUREMENT SYSTEM
(FR) SYSTÈME DE MESURE AUTOMATIQUE DU RAPPORT ENTRE EXCAVATION PAPILLAIRE ET DISQUE OPTIQUE
Abstract: front page image
(EN)A two-dimensional retinal fundus image of the retinal fundus of an eye is processed by optic disc segmentation (2) followed by cup segmentation 4. Data derived from the optic disc segmentation (i.e. the output of the disc segmentation (2) and/or data derived from the output of the optic disc segmentation step, e.g. by a smoothing operation 3) and data derived from the output of the optic cup segmentation (i.e. the output of the cup segmentation (4) and/or data derived from the output of the optic disc segmentation, e.g. by a smoothing operation 5) are fed (6) to an adaptive model which has been trained to generate from such inputs a value indicative of cup-to-disc ratio (CDR) of the eye. The CDR is indicative of glaucoma. Thus, the method can be used to screen patients for glaucoma.
(FR)Selon la présente invention, dans une image bidimensionnelle de fond d'œil on réalise une segmentation du disque optique (2) suivie d'une segmentation de l'excavation papillaire (4). En l'occurrence, on prend d'une part des données tirées de la segmentation du disque optique, c'est-à-dire la sortie de la segmentation du disque (2), et/ou les données tirées de la sortie de l'opération de segmentation du disque optique, par exemple au moyen d'une opération de lissage (3), et d'autre part les données tirées de la sortie de la segmentation de l'excavation papillaire, c'est-à-dire la sortie de la segmentation de l'excavation papillaire (4) et/ou les données tirées de la sortie de la segmentation du disque optique, par exemple par une opération de lissage (5), et on les fournit à un modèle adaptatif qui a appris à générer, à partir de telles entrées, une valeur correspondant au rapport entre excavation papillaire et disque optique ou "CDR" (Cup-to-Disc Ratio) de l'œil. Dans la mesure où il y a un lien entre CDR et glaucome, le procédé de l'invention permet de dépister les glaucomes chez les patients.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, 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, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MT, NL, NO, PL, PT, RO, SE, SI, SK, 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)