Institute of Information Theory and Automation

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Conference Paper (international conference)

Simultaneous recovery of scene structure and blind restoration of defocused images

Šorel Michal, Flusser Jan

: Proceedings of the Computer Vision Winter Workshop 2006. CVWW' 06, p. 40-45 , Eds: Chum O., Franc V.

: Computer Vision Winter Workshop 2006, (Telč, CZ, 06.02.2006-08.02.2006)

: CEZ:AV0Z10750506

: 1M0572, GA MŠk, GA102/04/0155, GA ČR

: shift-variant blind restoration, deconvolution, depth from defocus, point-spread function

: http://library.utia.cas.cz/separaty/historie/sorel-0031188.pdf

(eng): We present an algorithm that uses two or more defocused images of the same scene for recovery of scene structure and simultaneous restoration of sharp image. Defocousation is modeled by convolution with arbitrary known spatially-variant mask unlike the vast majority of published algorithms that used cylindrical or Gaussian masks. In this way it is able to deal with aberrations present in real optical systems. The mask can be given analytically ro by a table or a ray tracing algorithm.

(cze): Odhad hloubkové mapy a současná slepá dekonvoluce ze dvou obrazů rozmazaných defokuzací. Defokuzace je modelovaná konvolucí s prostorově proměnou maskou, díky čemuž je algoritmus schopný pracovat s aberacemi v realných optických soustavách. Maska může být zadána analyticky nebo tabulkou vygenerovanou algoritmem užívajícím sledování paprsku.

: 09K

: JD

2019-01-07 08:39