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1. (WO2005031645) ENHANCEMENT OF SPATIAL RESOLUTION OF IMAGING SYSTEMS BY MEANS OF DEFOCUS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2005/031645    International Application No.:    PCT/AU2004/001342
Publication Date: 07.04.2005 International Filing Date: 30.09.2004
Chapter 2 Demand Filed:    01.02.2005    
IPC:
G06T 5/20 (2006.01)
Applicants: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION [AU/AU]; Limestone Avenue, Campbell, Australian Capital Territory 2612 (AU) (For All Designated States Except US).
GUREYEV, Timur Eugenievich [AU/AU]; (AU) (For US Only).
STEVENSON, Andrew, Wesley [AU/AU]; (AU) (For US Only)
Inventors: GUREYEV, Timur Eugenievich; (AU).
STEVENSON, Andrew, Wesley; (AU)
Agent: HENSHAW, Damon; Davies Collison Cave, 1 Nicholson Street, Melbourne, Victoria 3000 (AU)
Priority Data:
2003905370 02.10.2003 AU
Title (EN) ENHANCEMENT OF SPATIAL RESOLUTION OF IMAGING SYSTEMS BY MEANS OF DEFOCUS
(FR) AMELIORATION DE LA RESOLUTION SPATIALE DE SYSTEMES D'IMAGERIE PAR DEFOCALISATION
Abstract: front page image
(EN)A new method for rapid deblurring (partial deconvolution) is proposed which is based on the physics of coherent image formation. The method uses slightly out-of-focus images in a way that makes the effects of Fresnel diffraction counteract the blurring due to the point-spread function. The resultant deblurring improves the spatial resolution in the images and is comparatively insensitive to noise.
(FR)L'invention concerne un nouveau procédé de correction d'images floues (déconvolution partielle) fondé sur la physique de la formation d'images cohérentes. Le procédé décrit dans cette invention consiste à utiliser des images légèrement hors-foyer de sorte que les effets de la diffraction de Fresnel compensent le flou entraîné par la fonction d'étalement du point. La correction d'images floues ainsi obtenue permet d'améliorer la résolution spatiale dans les images ; de plus, elle est comparativement insensible au bruit.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, 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, HU, IE, IT, LU, MC, NL, 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)