000255034 001__ 255034
000255034 005__ 20190416055602.0
000255034 0247_ $$a10.1109/QoMEX.2018.8463406$$2doi
000255034 020__ $$a978-1-5386-2605-4
000255034 02470 $$a10.1109/QoMEX.2018.8463406$$2DOI
000255034 037__ $$aCONF
000255034 245__ $$aPoint Cloud Subjective Evaluation Methodology based on 2D Rendering
000255034 260__ $$c2018
000255034 269__ $$a2018
000255034 300__ $$a6
000255034 336__ $$aConference Papers
000255034 520__ $$aPoint clouds are one of the most promising technologies for 3D content representation. In this paper, we describe a study on quality assessment of point clouds, degraded by octree-based compression on different levels. The test contents were displayed using Screened Poisson surface reconstruction, without including any textural information, and they were rated by subjects in a passive way, using a 2D image sequence. Subjective evaluations were performed in five independent laboratories in different countries, with the inter-laboratory correlation analysis showing no statistical differences, despite the different equipment employed. Benchmarking results reveal that the state-of-the-art point cloud objective metrics are not able to accurately predict the expected visual quality of such test contents. Moreover, the subjective scores collected from this experiment were found to be poorly correlated with subjective scores obtained from another test involving visualization of raw point clouds. These results suggest the need for further investigations on adequate point cloud representations and objective quality assessment tools.
000255034 6531_ $$aquality assessment
000255034 6531_ $$apoint cloud
000255034 6531_ $$aquality metrics
000255034 700__ $$aAlexiou, Evangelos$$0250078
000255034 700__ $$aEbrahimi, Touradj$$0240223
000255034 700__ $$aBernardo, Marco V.
000255034 700__ $$aPereira, Manuela
000255034 700__ $$aPinheiro, Antonio
000255034 700__ $$aDa Silva Cruz, Luis A.
000255034 700__ $$aDuarte, Carlos
000255034 700__ $$aDmitrovic, Lovorka Gotal
000255034 700__ $$aDumic, Emil
000255034 700__ $$aMatkovics, Dragan
000255034 700__ $$aSkodras, Athanasios
000255034 7112_ $$dMay 29 - June 1, 2018$$cSardinia, Italy$$a2018 Tenth International Conference on Quality of Multimedia Experience (QoMEX)
000255034 773__ $$t2018 Tenth International Conference on Quality of Multimedia Experience (QoMEX)
000255034 8560_ $$fevangelos.alexiou@epfl.ch
000255034 8564_ $$uhttps://infoscience.epfl.ch/record/255034/files/QoMEX-2018.pdf$$s594689
000255034 8564_ $$uhttps://infoscience.epfl.ch/record/255034/files/QoMEX-2018.pdf?subformat=pdfa$$s1653049$$xpdfa
000255034 909CO $$qGLOBAL_SET$$pconf$$ooai:infoscience.epfl.ch:255034
000255034 960__ $$aevangelos.alexiou@epfl.ch
000255034 961__ $$alaurence.gauvin@epfl.ch
000255034 973__ $$aEPFL$$rREVIEWED
000255034 980__ $$aCONF
000255034 981__ $$aoverwrite
000255034 999C0 $$xUS02700$$pMMSPL$$mtouradj.ebrahimi@epfl.ch$$0252077