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DC poleHodnotaJazyk
dc.contributor.authorVazquez, I.
dc.contributor.authorCutchin, S.
dc.contributor.editorSkala, Václav
dc.date.accessioned2021-08-31T06:17:12Z
dc.date.available2021-08-31T06:17:12Z
dc.date.issued2021
dc.identifier.citationWSCG 2021: full papers proceedings: 29. International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision, p. 51-58.en
dc.identifier.isbn978-80-86943-34-3
dc.identifier.issn2464-4617
dc.identifier.issn2464–4625(CD/DVD)
dc.identifier.urihttp://hdl.handle.net/11025/45009
dc.format8 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherVáclav Skala - UNION Agencycs
dc.rights© Václav Skala - UNION Agencycs
dc.subjectkomprese obrazucs
dc.subjectekvirektangulární projekcecs
dc.subjectvirtuální realitacs
dc.titleAn Analysis on Pixel Redundancy Structure in Equirectangular Imagesen
dc.typeconferenceObjecten
dc.typekonferenční příspěvekcs
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translated360◦photogrammetry captures the surrounding light from a central point. To process and transmit these types ofimages over the network to the end user, the most common approach is to project them onto a 2D image usingthe equirectangular projection to generate a 360◦image. However, this projection introduces redundancy into theimage, increasing storage and transmission requirements. To address this problem, the standard approach is touse compression algorithms, such as JPEG or PNG, but they do not take full advantage of the visual redundancyproduced by the equirectangular projection. In this study of the 360SP dataset (a collection of Google StreetView images), we analyze the redundancy in equirectangular images and show how it is structured across theimage. Outcomes from our study will support the developing of spherical compression algorithms, improvingthe immersive experience of Virtual Reality users by reducing loading times and increasing the perceptual imagequality.en
dc.subject.translatedimage compressionen
dc.subject.translatedequirectangular projectionen
dc.subject.translatedvirtual realityen
dc.identifier.doihttps://doi.org/10.24132/CSRN.2021.3101.6
dc.type.statusPeer-revieweden
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