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Advances in image restoration: from theory to practice
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SYSNO ASEP 0444197 Druh ASEP A - Abstrakt Zařazení RIV Není vybrán druh dokumentu Název Advances in image restoration: from theory to practice Tvůrce(i) Šroubek, Filip (UTIA-B) RID, ORCID Zdroj.dok. Digital Photography XI. - Bellingham : SPIE-IS&T, 2015 - ISSN 0277-786X - ISBN 978-1-62841-494-3 Poč.str. 1 s. Forma vydání Nosič - C Akce Digital Photography and Mobile Imaging XI Datum konání 09.02.2015-10.02.2015 Místo konání San Francisco Země US - Spojené státy americké Typ akce WRD Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova deconvolution ; superresolution ; review Vědní obor RIV JD - Využití počítačů, robotika a její aplikace Institucionální podpora UTIA-B - RVO:67985556 Anotace We rely on images with ever growing emphasis. Our perception of the world is however limited by imperfect measuring conditions and devices used to acquire images. By image restoration, we understand mathematical procedures removing degradation from images. Two prominent topics of image restoration that has evolved considerably in the last 10 years are blind deconvolution and superresolution. Deconvolution by itself is an ill-posed inverse problem and one of the fundamental topics of image processing. The blind case, when the blur kernel is also unknown, is even more challenging and requires special optimization approaches to converge to the correct solution. Superresolution extends blind deconvolution by recovering lost spatial resolution of images. In this talk we will cover the recent advances in both topics that pave the way from theory to practice. Various real acquisition scenarios will be discussed together with proposed solutions for both blind deconvolution and superresolution and efficient numerical optimization methods, which allow fast implementation. Examples with real data will illustrate performance of the proposed solutions. Pracoviště Ústav teorie informace a automatizace Kontakt Markéta Votavová, votavova@utia.cas.cz, Tel.: 266 052 201. Rok sběru 2016
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