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L. Zhang, P. van Oosterom, H. Liu
2020 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
In our paper, a cLoD (continuous level-of-detail) method is introduced to filter the number of points to be rendered considerably, together with an adaptive point size rendering strategy, thus improve  ...  the rendering performance and remove visual artifacts of mobile AR point cloud applications.  ...  Point Cloud Real-time Update After putting point cloud models in the scene, the point cloud model will be updated in real-time. The vertex buffer will be updated by doing the selective query.  ... 
doi:10.5194/isprs-archives-xliv-4-w1-2020-167-2020 fatcat:r6mutuj7trev5ejimittzdxog4

Real Time Stable Haptic Rendering Of 3D Deformable Streaming Surface

Yuan Tian, Chao Li, Xiaohu Guo, Balakrishnan Prabhakaran
2017 Proceedings of the 8th ACM on Multimedia Systems Conference - MMSys'17  
In this paper, we propose a stable haptic rendering method capable of interacting with streaming deformable surface in real-time.  ...  Our method applies KinectFusion for real-time reconstruction of real-world object surface instead of incomplete surface.  ...  Another problem is that real-time physics of the point cloud has not been investigated in this field.  ... 
doi:10.1145/3083187.3083198 dblp:conf/mmsys/TianLGP17 fatcat:bipegxuadvaajne2mxg7djupbe

Interactive Simulation and Visualisation of Realistic Flooding Scenarios [chapter]

Christian Kehl, Gerwin de Haan
2012 Lecture Notes in Geoinformation and Cartography  
The rendering system will apply a combination of new point cloud compression algorithms and spatial Level-of-Detail data structures.  ...  For this we use aerial terrain LiDAR point clouds of The Netherlands and most recent, complex Computational Fluid Dynamics (CFD) models.  ...  sampling of the points; • unnecessary high amount of points in low detail levels of homogeneous areas in the point clouds.  ... 
doi:10.1007/978-3-642-33218-0_7 fatcat:zhuool3esjcnhgasmzlfbpksde

Software Rasterization of 2 Billion Points in Real Time

Markus Schütz, Bernhard Kerbl, Michael Wimmer
2022 Proceedings of the ACM on Computer Graphics and Interactive Techniques  
The accelerated collection of detailed real-world 3D data in the form of ever-larger point clouds is sparking a demand for novel visualization techniques that are capable of rendering billions of point  ...  We propose a software rasterization pipeline for point clouds that is capable of rendering up to two billion points in real-time (60 FPS) on commodity hardware.  ...  Institute of History of Art, Building Archaeology and Restoration for the Candi Banyunibo data set [Herbig et al. 2019  ... 
doi:10.1145/3543863 fatcat:pe2rzqsjybgkngt777ft666anu

Real-Time Rendering of Point Clouds With Photorealistic Effects: A Survey

Petrus E. J. Kivi, Markku J. Makitalo, Jakub Zadnik, Julius Ikkala, Vinod Kumar Malamal Vadakital, Pekka O. Jaaskelainen
2022 IEEE Access  
Readily available RGB-D cameras in smart phones and improving 3D scanning technologies have made it possible to produce detailed point cloud and point-based models of real world objects even in real time  ...  A categorization and discussion on the capabilities of state-of-the-art photorealistic point cloud rendering methods is presented by surveying both real-time and offline methods, which are assumed to become  ...  Photorealism in point cloud rendering is also affected by the detail level of the point cloud model.  ... 
doi:10.1109/access.2022.3146768 fatcat:ahyee25xargufc536j5kfrtniy

Interactive dense point clouds in a game engine

Juho-Pekka Virtanen, Sylvie Daniel, Tuomas Turppa, Lingli Zhu, Arttu Julin, Hannu Hyyppä, Juha Hyyppä
2020 ISPRS journal of photogrammetry and remote sensing (Print)  
The result shows that the developed tools are sufficient for supporting real-time 3D visualization and interaction.  ...  Several promising use cases can be envisioned, including both the use of point clouds as 3D assets in interactive applications and leveraging the game engine point clouds in geomatics.  ...  Robotics, Geospatial Information and Image Processing/Computing -Point Cloud Ecosystem (No. 293389, 314312)" and the Business Finland for the innovation project "VARPU" (7031/31/2016).  ... 
doi:10.1016/j.isprsjprs.2020.03.007 fatcat:dhyf2pirkzbpdk3ofz7w26rc34

Real-Time Visualization Using Gpu-Accelerated Filtering Of Lidar Data

Sašo Pečnik, Borut Žalik
2014 Zenodo  
This paper presents a real-time visualization technique and filtering of classified LiDAR point clouds.  ...  We explain the used data structure and data management, which enables real-time presentation of layered LiDAR data.  ...  CONCLUSION The proposed visualization techniques is capable to clearly presenting objects contained within LiDAR point clouds in real-time, while overcoming the issues of massive point clouds and lack  ... 
doi:10.5281/zenodo.1096998 fatcat:g5db2tcarnaatg2kepi4p2o5la

Real-Time Air Pollutants Rendering based on Image Processing

Demin Wang, Yan Huang, Weitao Li
2011 International Journal of Information Technology and Computer Science  
This paper presents a new method for realistic real-time rendering of air pollutants based on image processing.  ...  In the proposed method we map the densities of air pollutants to different gray levels, and visualize them by blending those gray levels with background images.  ...  Zhang, a respectable, responsible and resourceful scholar, who has provided me with valuable guidance in every stage of the writing of this thesis.  ... 
doi:10.5815/ijitcs.2011.05.05 fatcat:ajczoy277nc6zexy647z4zlafe

Real-time landscape-size convective clouds simulation

Prashant Goswami, Fabrice Neyret
2015 Proceedings of the 19th Symposium on Interactive 3D Graphics and Games - i3D '15  
Figure: Clouds condensate when reaching the dew point altitude, rise up to equilibrium altitude, then decay and die due to the effects of entrainment and detrainment, demonstrating the entire cloud lifecycle  ...  Our interactive tool allows the user to play around with intuitive parameters to generate plausible evolving fields of cumulus clouds.  ...  VISUALIZATION The micro level deals with the procedural generation of cloud details on top of existing macro structure of parcels.  ... 
doi:10.1145/2699276.2721396 dblp:conf/si3d/GoswamiN15 fatcat:b232pfvs4rbb5j4rguremexjku

Real-time Rendering of Massive Unstructured Raw Point Clouds using Screen-space Operators [article]

Ruggero Pintus, Enrico Gobbetti, Marco Agus
2011 VAST: International Symposium on Virtual Reality  
On a frame-by-frame basis, our GPU accelerated renderer computes point cloud visibility, fills and filters the sparse depth map to generate a continuous surface representation of the point cloud, and provides  ...  We present a scalable real-time method to render this kind of models without requiring lengthy preprocessing.  ...  David dataset courtesy of Digital Michelangelo project. Data of Sirmione, Ostiano and Loggia courtesy of Gexcel.  ... 
doi:10.2312/vast/vast11/105-112 fatcat:f3qz63g3ofhifoc5dusgvczqre


A. Kharroubi, R. Hajji, R. Billen, F. Poux
2019 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
We then build an octree data structure leveraged through out-of-core algorithms to load in real time and continuously only the points that are in the VR user's field of view.  ...  as point clouds as a source of data.  ...  We also thank a lot the users of the Github forum especially Simon Fraiss that helped us in several steps of this research.  ... 
doi:10.5194/isprs-archives-xlii-2-w17-165-2019 fatcat:a6llclq7mbb5db6zqexhzhfdzq

Design, Implementation, and Evaluation of a Point Cloud Codec for Tele-Immersive Video

Rufael Mekuria, Kees Blom, Pablo Cesar
2017 IEEE transactions on circuits and systems for video technology (Print)  
we present a generic and real-time time-varying point cloud codec for 3D immersive video. This codec is suitable for mixed reality applications where 3D point clouds are acquired at a fast rate.  ...  In addition, it shows the benefit of reconstructed point cloud video as a representation in the 3D Virtual world.  ...  Intra Coding Performance To illustrate the effect of Level of Detail decoding the bit stream, we show the level of detail (LoD), bit rate and quality in Fig 9.  ... 
doi:10.1109/tcsvt.2016.2543039 fatcat:sl347xcslfel7hdbtp5wvn36da

Vision paper

Matthias Thöny, Markus Billeter, Renato Pajarola
2015 Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems - GIS '15  
Terrain rendering is widely used in industry and research. GIS software packages as well as navigation systems make use of terrain rendering to visualize terrain information.  ...  In this paper we describe some open challenges for scientific terrain visualization in the acquisition, processing and rendering of terrain related geospatial information as well as new methods which could  ...  Figure 1 : 1 Figure 1: Example from our terrain rendering software using interactive continuous level-of detail and texture mapping.  ... 
doi:10.1145/2820783.2820884 dblp:conf/gis/ThonyBP15 fatcat:z57uyik5mjhwpegsntvfama26u

Software Rasterization of 2 Billion Points in Real Time [article]

Markus Schütz, Bernhard Kerbl, Michael Wimmer
2022 arXiv   pre-print
We propose a software rasterization pipeline for point clouds that is capable of brute-force rendering up to two billion points in real time (60fps).  ...  These optimizations include frustum culling, level-of-detail rendering, and choosing the appropriate coordinate precision for a given batch of points directly within a compute workgroup.  ...  state-of-the-art level-of-detail structures for point clouds.  ... 
arXiv:2204.01287v1 fatcat:cc44s4gjpjf7tehixtyhrxnxsu

Real-time Landscape-size Convective Clouds Simulation and Rendering [article]

Prashant Goswami, Fabrice Neyret
2017 Workshop on Virtual Reality Interactions and Physical Simulations  
This paper presents an efficient, physics-based procedural model for the real-time animation and visualization of cumulus clouds at landscape size.  ...  In contrast to the usual fluid simulation, we thus do not need to sample the transparent environment, a key property for real-time efficiency and scalability to large domains.  ...  We propose a hybrid physics-inspired procedural method for the real-time simulation and rendering of detailed clouds.  ... 
doi:10.2312/vriphys.20171078 dblp:conf/vriphys/GoswamiN17 fatcat:32ss7fnva5a2rertbsxqjmhjha
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