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| 1 | Investigating approaches to improving rendering performance of 3D city models on mobile devices显示文摘Three-dimensional(3D)city models have uses including on-site validation of utility infrastructure,support for augmented reality,personalized tourist information,real estate sales,and 3D pedestrian navigation.Increasingly,such applications are deployed on mobile devices,whose use is becoming more prevalent.Tablet devices are used for more professional use requiring larger screens,mobile phones for more casual users.However,many 3D city models contain hundreds of buildings,which in turn results in performance issues when attempting to visualize such models on these devices.Two issues can be identified as contributory factors-the lower specification of the mobile device itself when compared with desktop machines and the lower bandwidth network between the device and the server(3G mobile or Wi-Fi).Both of these can be addressed by reducing the volume of data in the model.To achieve this,we generalize a 2D data-set(using aggregation and simplification)and then extrude the generalized 2D maps to 3D.This minimizes the number of buildings to be transmitted over the network and processed by the on-board graphics engine.To additionally address the bandwidth issue,we make use of topological data structuring to build and transmit a minimal description for each building.Combining these approaches,we compare the results obtained for generalized and un-generalized data-sets,on a tablet and mobile device.A performance increase of between 7 and 9 times is observed. | Claire ELLUL Julia ALTENBUCHNER | 2014 | Geo-Spatial Information Science2014，17，2： | 2 |
| 2 | Progressing stroke: towards an internationally agreed definition 显示文摘 | Birschel P Ellul J Barer D | 2004 | Cerebrovasc Dis2004，17，23： | 1 |
| 3 | Crosslink densities and phase morphologies in thermoplastic vulcanizates 显示文摘 | ELLUL M D TSOU A H HU W | 2004 | Polymer2004，45，10： | 1 |
| 4 | The Effect of Depres- sion on Motor Function and Disease Severity of Parkinson' s Disease 显示文摘 | Papapetropoulos S Ellul J Argyriou AA | 2006 | Clin Neurol Neurosurg2006，108，5： | 1 |
| 5 | IPO underpricing and after-market liquidity 显示文摘 | Ellul A Pagano M | 2006 | Review of Financial Studies2006，19，2： | 1 |
| 6 | The outcome of diabetic pregnancies in Malta显示文摘 | Ellul A Chircop M | 2003 | Int J Gynaecol Obstet2003，82，2： | 1 |
| 7 | Progressing stroke: towards an internationally agreed definition 显示文摘 | BIRSCHELI P ELLUL J BARER D | 2004 | Cerebrovasc Dis2004，17，23： | 1 |
| 8 | Association of endothelial nitric oxide synthase polymorphism G894T with functional outcome in acute stroke patients显示文摘 | Ellul J Markoula S Marousi S | 2011 | Neurol Res2011，33，8： | 1 |
| 9 | Malignant esophageal fistulas and perforations: management with plastic- covered metallic endoprostheses显示文摘 | Mlorgan R h Ellul J P Denton g R | 1997 | Radiology1997，204，2： | 1 |
| 10 | Progressing stroke:towards an intemationaly agreed definition显示文摘 | Ellul J Barrer D | 2004 | Cerebrovasc Dis2004，17，： | 1 |
| 11 | Progressing stroke: towards an internationally agreed definition显示文摘 | Birschel P Ellul J Barer D | 2004 | Cerebrovasc Dis2004，17，23： | 1 |
| 12 | ProgTessing stroke:towards an internationally agreed definition显示文摘 | P Birschel J Ellul D Barer | 2004 | Cerebrovasc Dis2004，17，： | 1 |
| 13 | Common carotid artery intima- media thickness and post-stroke cognitive impairment 显示文摘 | Talelli P Ellul J Terzis G | 2004 | J Neurol Sci2004，223，： | 1 |
| 14 | Progressing stroke:towards an internationally agreed definition显示文摘 | Birschel P Ellul Barer D | 2004 | Cerebrovasc Dis2004，17，2： | 1 |
| 15 | On behalf of the European Progressing Stroke Study(EPSS) Group: progressing stroke : Towards an internationally agreed definition显示文摘 | Birschel P Ellul J Barer D | 2004 | Cerebrovasc Dis2004，17，23： | 1 |
| 16 | Advances in Pipelines Leak Detection Techniques 显示文摘 | Ellul I R | 1989 | Pipes and Pipelines International1989，343，： | 1 |
| 17 | The technological order显示文摘 | Jacques Ellul | 1962 | Technology and culture1962，3，4： | 1 |
| 18 | Oesophageal stent insertion for palliation of dysphagia in a District General Hospital:experience from a case series of 137 patients显示文摘 | Selinger CP Ellul P Smith PA | | 0，，07： | 1 |
| 19 | Percutaneous Cholecystolithotomy: Risks, Benefits, and Long-Term Outcome显示文摘 | S. P. Pereira J. P. M. Ellul A. Keightley C. Kennedy J. Dick R. H. Dowling | 1995 | Scandinavian Journal of Gastroenterology1995，，5： | 1 |
| 20 | Progressing stroke:towards an inter- nationally agreed definition显示文摘 | Birschel P Ellul JD | 2004 | Cerebrovasc Dis2004，17，23： | 1 |
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