About: Space-Variant Restoration of Images Degraded by Camera Motion Blur

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We examine the problem of restoration from multiple images degraded by camera motion blur.We consider scenes with significant depth variations resulting in space-variant blur. The proposed algorithm can be applied if the camera moves along an arbitrary curve parallel to the image plane, without any rotations. The knowledge of camera trajectory and camera parameters is not necessary. At the input, the user selects a region where depth variations are negligible. The algorithm belongs to the group of variational methods that estimate simultaneously a sharp image and a depth map, based on the minimization of a cost functional. To initialize the minimization, it uses an auxiliary window-based depth estimation algorithm. Feasibility of the algorithm is demonstrated by three experiments with real images. We examine the problem of restoration from multiple images degraded by camera motion blur.We consider scenes with significant depth variations resulting in space-variant blur. The proposed algorithm can be applied if the camera moves along an arbitrary curve parallel to the image plane, without any rotations. The knowledge of camera trajectory and camera parameters is not necessary. At the input, the user selects a region where depth variations are negligible. The algorithm belongs to the group of variational methods that estimate simultaneously a sharp image and a depth map, based on the minimization of a cost functional. To initialize the minimization, it uses an auxiliary window-based depth estimation algorithm. Feasibility of the algorithm is demonstrated by three experiments with real images. (en) Řešíme problém rekonstrukce z několika obrazů rozmazaných pohybem kamery. Uvažujeme scény s významnými změnami hloubky, které způsobují prostorově proměnné rozmazání. Navržený algoritmus může být použit, pokud se kamera pohybuje podél libovolné křivky paralelní k obrazové rovině aniž by rotovala. Znalost trajektorie kamery a jejích parametrů není nutná. Na vstupu uživatel zadá libovolnou oblast, v rámci které jsou změny v hloubce zanedbatelné. Použitelnost algoritmu je demonstrována třemi experimenty se skutečnými obrazy. (cs)
Title	Space-Variant Restoration of Images Degraded by Camera Motion Blur Prostorově proměnná rekonstrukce obrazů poškozených rozmazáním pohybem kamery (cs) Space-Variant Restoration of Images Degraded by Camera Motion Blur (en)
skos:prefLabel	Space-Variant Restoration of Images Degraded by Camera Motion Blur Prostorově proměnná rekonstrukce obrazů poškozených rozmazáním pohybem kamery (cs) Space-Variant Restoration of Images Degraded by Camera Motion Blur (en)
skos:notation	RIV/67985556:_____/08:00098638!RIV08-AV0-67985556
http://linked.open.../vavai/riv/strany	105;116
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0572), Z(AV0Z10750506)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Šorel, Michal Flusser, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav teorie informace a automatizace AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	396239
http://linked.open...ai/riv/idVysledku	RIV/67985556:_____/08:00098638
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	camera shake; deblurring; depth from motion; multichannel blind deconvolution; space-variant restoration (en)
http://linked.open.../riv/klicoveSlovo	space-variant restoration deblurring camera shake depth from motion multichannel blind deconvolution
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[98DB48EEC60C]
http://linked.open...i/riv/nazevZdroje	IEEE Transactions on Image Processing
http://linked.open...in/vavai/riv/obor	JD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Data, algorithms, decision making
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	17
http://linked.open...iv/tvurceVysledku	Flusser, Jan Šorel, Michal
http://linked.open...n/vavai/riv/zamer	Pokročilé matematické metody získávání, zpracování a využití informací a znalostí ve složitých a nedeterministických systémech
issn	1057-7149
number of pages	12 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Space-Variant Restoration of Images Degraded by Camera Motion Blur Space-Variant Restoration of Images Degraded by Camera Motion Blur Space-Variant Restoration of Images Degraded by Camera Motion Blur Space-Variant Restoration of Images Degraded by Camera Motion Blur

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