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Artifact-Free Color Interpolation
Linköping University, Department of Electrical Engineering, Information Coding. Linköping University, Faculty of Science & Engineering.
2015 (English)In: Proceedings SCCG: 2015 31st Spring Conference on Computer Graphics, ASSOC COMPUTING MACHINERY , 2015, 116-119 p.Conference paper (Refereed)
Abstract [en]

Color interpolation is still the most used method for image upsampling, since it offers the simplest and therefore fastest algorithms. However, in recent years research concentrated on other techniques to counter the shortcomings of interpolation techniques (like color artifacts or the fact that interpolation does not take statistics into account), while interpolation itself has ceased to be an active research topic. Still, current interpolation techniques can be improved. Especially it should be possible to avoid color artifacts by carefully choosing the correct interpolation schemes. In this paper we derive mathematical constraints which need to be fulfilled to reach an artifact-free interpolation, and use these to develop an interpolation method which is basically a self-configuring cubic spline.

Place, publisher, year, edition, pages
ASSOC COMPUTING MACHINERY , 2015. 116-119 p.
Keyword [en]
interpolation; image upsampling; color interpolation
National Category
Discrete Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-131252DOI: 10.1145/2788539.2788556ISI: 000380609300017ISBN: 978-1-4503-3693-2OAI: oai:DiVA.org:liu-131252DiVA: diva2:971470
Conference
31st Spring Conference on Computer Graphics
Available from: 2016-09-16 Created: 2016-09-12 Last updated: 2016-09-16

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Ogniewski, Jens
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Information CodingFaculty of Science & Engineering
Discrete Mathematics

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