A User Study on Quantisation Thresholds of Triangle Meshes

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dc.contributor.author Almutairi, Aeshah en_US
dc.contributor.author Saarela, Toni en_US
dc.contributor.author Ivrissimtzis, Ioannis en_US
dc.contributor.editor Tao Ruan Wan and Franck Vidal en_US
dc.date.accessioned 2017-09-21T07:22:56Z
dc.date.available 2017-09-21T07:22:56Z
dc.date.issued 2017
dc.identifier.isbn 978-3-03868-050-5
dc.identifier.uri http://dx.doi.org/10.2312/cgvc.20171283
dc.identifier.uri https://diglib.eg.org:443/handle/10.2312/cgvc20171283
dc.description.abstract We present the results of a user study on estimating a quantisation threshold above which the quantised triangle mesh is perceived as indistinguishable from its unquantised original. The design of the experiment and the analysis of the results focus on the comparison between two different quantisation methods: rounding, in which all bits above the threshold are put to zero; and dithering, in which all bits above the threshold are randomised. The results show that dithered meshes require more bits per vertex coordinate in order to reach the indistinguishability threshold, and while the difference between the two methods is small, around one bit per vertex coordinate, it is nevertheless statistically significant. en_US
dc.publisher The Eurographics Association en_US
dc.subject Computer Graphics [Computing methodologies]
dc.subject Graphics systems and interfaces
dc.subject Perception
dc.title A User Study on Quantisation Thresholds of Triangle Meshes en_US
dc.description.seriesinformation Computer Graphics and Visual Computing (CGVC)
dc.description.sectionheaders Computer Graphics Applications
dc.identifier.doi 10.2312/cgvc.20171283
dc.identifier.pages 89-94

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