?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Interaction+and+locomotion+techniques+for+the+exploration+of+massive+3D+point+clouds+in+vr+environments&rft.creator=Thiel%2C+F&rft.creator=Discher%2C+S&rft.creator=Richter%2C+R&rft.creator=D%C3%B6llner%2C+J&rft.description=Emerging+virtual+reality+(VR)+technology+allows+immersively+exploring+digital+3D+content+on+standard+consumer+hardware.+Using+in-situ+or+remote+sensing+technology%2C+such+content+can+be+automatically+derived+from+real-world+sites.+External+memory+algorithms+allow+for+the+non-immersive+exploration+of+the+resulting+3D+point+clouds+on+a+diverse+set+of+devices+with+vastly+different+rendering+capabilities.+Applications+for+VR+environments+raise+additional+challenges+for+those+algorithms+as+they+are+highly+sensitive+towards+visual+artifacts+that+are+typical+for+point+cloud+depictions+(i.e.%2C+overdraw+and+underdraw)%2C+while+simultaneously+requiring+higher+frame+rates+(i.e.%2C+around+90%E2%80%89fps+instead+of+30%E2%80%9360%E2%80%89fps).+We+present+a+rendering+system+for+the+immersive+exploration+and+inspection+of+massive+3D+point+clouds+on+state-of-the-art+VR+devices.+Based+on+a+multi-pass+rendering+pipeline%2C+we+combine+point-based+and+image-based+rendering+techniques+to+simultaneously+improve+the+rendering+performance+and+the+visual+quality.+A+set+of+interaction+and+locomotion+techniques+allows+users+to+inspect+a+3D+point+cloud+in+detail%2C+for+example+by+measuring+distances+and+areas+or+by+scaling+and+rotating+visualized+data+sets.+All+rendering%2C+interaction+and+locomotion+techniques+can+be+selected+and+configured+dynamically%2C+allowing+to+adapt+the+rendering+system+to+different+use+cases.+Tests+on+data+sets+with+up+to+2.6+billion+points+show+the+feasibility+and+scalability+of+our+approach.&rft.subject=Virtual+reality%2C+3D+point+clouds%2C+Real-time+rendering%2C+Locomotion%2C+Interaction+techniques&rft.publisher=Copernicus+GmbH&rft.date=2018-09-19&rft.type=Proceedings+paper&rft.publisher=ISPRS+TC+IV+Mid-term+Symposium+%E2%80%9C3D+Spatial+Information+Science+%E2%80%93+The+Engine+of+Change%E2%80%9D&rft.language=eng&rft.source=+++++In%3A++ISPRS+-+International+Archives+of+the+Photogrammetry%2C+Remote+Sensing+and+Spatial+Information+Sciences.++(pp.+pp.+697-701).++Copernicus+GmbH%3A+Delft%2C+The+Netherlands.+(2018)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10087769%2F1%2Fisprs-archives-XLII-4-623-2018.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10087769%2F&rft.rights=open