About: Image Sampling with Quasicrystals

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We investigate the use of quasicrystals in image sampling. Quasicrystals produce space-filling, non-periodic point sets that are uniformly discrete and relatively dense, thereby ensuring the sample sites are evenly spread out throughout the sampled image. Their self-similar structure can be attractive for creating sampling patterns endowed with a decorative symmetry. We present a brief general overview of the algebraic theory of cut-and-project quasicrystals based on the geometry of the golden ratio. To assess the practical utility of quasicrystal sampling, we evaluate the visual effects of a variety of non-adaptive image sampling strategies on photorealistic image reconstruction and non-photorealistic image rendering used in multiresolution image representations. For computer visualization of point sets used in image sampling, we introduce a mosaic rendering technique. We investigate the use of quasicrystals in image sampling. Quasicrystals produce space-filling, non-periodic point sets that are uniformly discrete and relatively dense, thereby ensuring the sample sites are evenly spread out throughout the sampled image. Their self-similar structure can be attractive for creating sampling patterns endowed with a decorative symmetry. We present a brief general overview of the algebraic theory of cut-and-project quasicrystals based on the geometry of the golden ratio. To assess the practical utility of quasicrystal sampling, we evaluate the visual effects of a variety of non-adaptive image sampling strategies on photorealistic image reconstruction and non-photorealistic image rendering used in multiresolution image representations. For computer visualization of point sets used in image sampling, we introduce a mosaic rendering technique. (en)
Title	Image Sampling with Quasicrystals Image Sampling with Quasicrystals (en)
skos:prefLabel	Image Sampling with Quasicrystals Image Sampling with Quasicrystals (en)
skos:notation	RIV/68407700:21340/09:00160367!RIV10-MSM-21340___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA201/09/0584), P(LC06002), Z(MSM6840770039)
http://linked.open...iv/cisloPeriodika	075
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Masáková, Zuzana
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	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	318524
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/09:00160367
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	computer graphics; image sampling; image representation; cut-and-project quasicrystal; non-periodic tiling; golden ratio; mosaic rendering (en)
http://linked.open.../riv/klicoveSlovo	golden ratio image representation computer graphics cut-and-project quasicrystal image sampling mosaic rendering non-periodic tiling
http://linked.open...odStatuVydavatele	UA - Ukrajina
http://linked.open...ontrolniKodProRIV	[CABBC330CD9D]
http://linked.open...i/riv/nazevZdroje	Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Algebraic and combinatorial aspects of aperiodic structures Doppler Institute for Mathematical Physics and Applied Mathematics
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	5
http://linked.open...iv/tvurceVysledku	Masáková, Zuzana
http://linked.open...n/vavai/riv/zamer	Matematické, počítačové a experimentální metody ve fyzice
issn	1815-0659
number of pages	23 (xsd:int)
http://localhost/t...ganizacniJednotka	21340
is http://linked.open...avai/riv/vysledek of	Image Sampling with Quasicrystals Image Sampling with Quasicrystals Image Sampling with Quasicrystals Image Sampling with Quasicrystals

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