The Use of Wavelets in Image Interpolation: Possibilities and Limitations

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dc.contributor.authorDumic, Emil
dc.contributor.authorGrgic, Sonja
dc.contributor.authorGrgic, Mislav
dc.coverage.issue4cs
dc.coverage.volume16cs
dc.date.accessioned2016-03-24T06:45:00Z
dc.date.available2016-03-24T06:45:00Z
dc.date.issued2007-12cs
dc.description.abstractDiscrete wavelet transform (DWT) can be used in various applications, such as image compression and coding. In this paper we examine how DWT can be used in image interpolation. Afterwards proposed method is compared with two other traditional interpolation methods. For the case of magnified image achieved by interpolation, original image is unknown and there is no perfect way to judge the magnification quality. Common approach is to start with an original image, generate a lower resolution version of original image by downscaling, and then use different interpolation methods to magnify low resolution image. After that original and magnified images are compared to evaluate difference between them using different picture quality measures. Our results show that comparison of image interpolation methods depends on downscaling technique, image contents and quality metric. For fair comparison all these parameters need to be considered.en
dc.formattextcs
dc.format.extent101-109cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2007, vol. 16, č. 4, s. 101-109. ISSN 1210-2512cs
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/57332
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2007/07_04_101_109.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectImage interpolationen
dc.subjectimage qualityen
dc.subjectwaveletsen
dc.subjectimage downscalingen
dc.subjectimage upscalingen
dc.titleThe Use of Wavelets in Image Interpolation: Possibilities and Limitationsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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