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A 3-D Scene Management Method Based on the Triangular Mesh for Large-Scale Web3D Scenes

IEEE MULTIMEDIA 2019年第3期26卷 69-78页

作者： Luo, Lihong Yang, Xian Guangdong Univ Technol Dept Digital Media Guangzhou Guangdong Peoples R China

Real-time rendering of large-scale Web3D scenes was difficult to implement in virtual reality systems and geographic information system (GIS) in the past because of the technical constraints in CPU, memory, and network bandwidth. In this paper, a model management strategy was proposed based on triangular meshes, in which neighborhood buildings are considered as nodes and connected. Each node in the mesh has a set of level of detail (LOD) models, including high, medium, and low precision models. Besides a model file, the high precision LOD of the node can be a subtriangular mesh as well. The three-dimensional (3-D) models in a complex scene can be flexibly managed with some nested triangular meshes. The memory management strategy and the display management strategy were discussed in this paper. According to the experimental results, the proposed method effectively achieves the progressive downloading, dynamic loading, and real-time display for a large-scale 3-D scene. Its performance is better than the traditional methods.

关键词： Geographic Information Systems Internet Mesh Generation rendering computer graphics Storage Management Virtual Reality Triangular Mesh 3 D Scene Management Method Virtual Reality Systems Geographic Information System LOD Memory Management Web 3 D Scenes rendering Level Of Detail Models Display Management Three Dimensional Displays Load Modeling Memory Management Solid Modeling Real Time Systems Computational Modeling Geogrpahic Information Systems rendering computer graphics Virtual Reality Large Scale Real Time rendering Triangular Mesh

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People, Paths, and Paper

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IEEE PERVASIVE COMPUTING 2018年第2期17卷 71-77页

作者： Baker, Mary HP Labs Palo Alto CA 94304 USA

This installment of Notes from the Community covers the first animated feature film rendered entirely in a game engine, bad design methods, customizable tattoos, debugging paper jams, and other topics to take your min... 详细信息

关键词： computer Animation Program Debugging rendering computer graphics Animated Feature Film Game Engine Bad Design Methods Customizable Tattoos Paper Jams Debugging rendering Motion Pictures Engines Thumb Glass Bitcoin Urban Areas Assistive Technology Notes From The Community Game Engines Unreal Engine Animation Finger Sound Google Glass Smart Glasses Paper Jams Augmented Reality AR City Good SAM Pervasive Computing Ubiquitous Computing Blippar Vuzix Apple Tattoos Sign Language Smart Cities Cryptocurrencies Bitcoin Mining Rickrolling Dynamicland Xerox Face Recognition Bkav Face ID computer Vision Dazzle Adam Harvey

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Web graphics

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IEEE computer graphics AND APPLICATIONS 2003年第1期23卷 26-27页

作者： Lau, RWH Kunii, TL City Univ Hong Kong Dept Comp Sci Kowloon Hong Kong Peoples R China Hosei Univ Fac Comp & Informat Sci Koganei Tokyo 1848584 Japan

Unlike traditional graphics applications, which often run on a single machine, Web graphics applications assume a distributed environment, that is, over the Internet. Most of these applications are based on a client-server architecture, where a server provides services and often the geometry data, and a client accesses them. The two main issues in Web graphics are the content itself and the tools that support content development and playback. Research issues on Web graphics tools include geometry data streaming, progressive geometry compression, real-time rendering and interactions, data synchronization, motion prediction, and message filtering. The computer graphics community has investigated some of these issues, while the distributed systems community has addressed many of the remaining issues. Recently, researchers have combined the research results from these two communities, adapting them to the new domain. In this special issue, five articles that describe some of the important research issues related to Web graphics,are briefly summarized before they are presented.

关键词： computer graphics Virtual Reality rendering computer graphics Streaming Media Videos Virtual Environment Application Software Special Issues And Sections

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Guest Editors' Introduction: Special Section on the Symposium on Interactive 3D graphics and Games (I3D)

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IEEE TRANSACTIONS ON VISUALIZATION AND computer graphics 2012年第10期18卷 1589-1590页

作者： Varshney, Amitabh Wyman, Chris Univ Maryland Inst Adv Comp Studies College Pk MD 20742 USA Univ Iowa Iowa City IA 52242 USA

The three papers in this special section were presented at the Symposium on Interactive 3D graphics and Games (I3D) that was held in San Francisco, CA, 18-20 February 2011.

关键词： Special Issues And Sections Meetings Games Three Dimensional Displays Interactive Systems computer graphics rendering computer graphics Real Time Systems

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Computational photography

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IEEE computer graphics AND APPLICATIONS 2007年第2期27卷 21-22页

作者： Durand, Fredo Szeliski, Richard MIT Dept Elect Engn & Comp Sci Cambridge MA 02139 USA

Since their inception over three decades ago, the fields of computer vision, image processing, and computer graphics have been concerned with analyzing, manipulating, and synthesizing images using numerical algorithms. While these three fields continue to evolve in a loosely coupled manner, users' near-ubiquitous access to digital cameras and personal computers has spurred renewed interest in what is now dubbed computational photography, which lies at the intersection of these fields. The Guest Editors provide an overview of computational photography's evolution, provide links to additional resources, and introduce the articles they've selected for the issue.

关键词： Photography computer Vision Optical Imaging Smart Cameras rendering computer graphics High Speed Optical Techniques Nonlinear Optics Acceleration Coaxial Components computer Science Computational Photography

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Guest Editors' Introduction: Special Issue on the ACM SIGGRAPH Symposium on Interactive 3D graphics and Games 2013

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IEEE TRANSACTIONS ON VISUALIZATION AND computer graphics 2014年第7期20卷 955-956页

作者： Meenakshisundaram, Gopi Yoon, Sung-Eui Univ Calif Irvine Dept Comp Sci Irvine CA 92697 USA Korea Adv Inst Sci & Technol Dept Comp Sci Taejon 305701 South Korea

The articles in this special were presented at the ACM Interactive 3D graphics and Games (I3D) 2013 conference that was held March 21-23 in Orlando, FL.

关键词： Special Issues And Sections Three Dimensional Displays computer graphics Meetings rendering computer graphics Games

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A precomputed approach for real-time haptic interaction with fluids

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IEEE computer graphics AND APPLICATIONS 2007年第3期27卷 90-92页

作者： Dobashi, Yoshinori Yamamoto, Tsuyoshi Sato, Makoto Hasegawa, Shoichi Kato, Mitsuaki Nishita, Tomoyuki Hokkaido University Tokyo Institute of Technology The University of Tokyo

The key to enhancing perception of the virtual world is improving mechanisms for interacting with that world. Through providing a sense of touch, haptic rendering is one such mechanism. Many methods efficiently display force between rigid objects, but to achieve a truly realistic virtual environment, haptic interaction with fluids is also essential. In the field of computational fluid dynamics, researchers have developed methods to numerically estimate the resistance due to fluids by solving complex partial differential equations, called the Navier-Stokes equations. However, their estimation techniques, although numerically accurate, are prohibitively time-consuming. This becomes a serious problem for haptic rendering, which requires a high frame rate. To address this issue, we developed a method for rapidly estimating and displaying forces acting on a rigid virtual object due to water. In this article, we provide an overview of our method together with its implementation and two applications: a lure-fishing simulator and a virtual canoe simulator

关键词： Computational Fluid Dynamics Haptic Interfaces Navier Stokes Equations rendering computer graphics Virtual Reality Precomputed Approach Real Time Haptic Interaction Virtual World Perception Haptic rendering Realistic Virtual Environment Computational Fluid Dynamics Partial Differential Equations Navier Stokes Equations Lure Fishing Simulator Virtual Canoe Simulator Haptic Interfaces Surface Resistance Friction Surface Waves Partial Differential Equations Computational Modeling Wires Virtual Reality Fluid Dynamics Nonlinear Dynamical Systems Haptic rendering Fluids Haptic Interaction

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Remote Teaching Advanced rendering Topics Using the Rayground Platform

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IEEE computer graphics AND APPLICATIONS 2021年第5期41卷 99-103页

作者： Vasilakis, Andreas A. Papaioannou, G. Vitsas, N. Gkaravelis, A. Alford, Ginger Univ Ioannina Dept Comp Sci & Engn Ioannina 45110 Greece Athens Univ Econ & Business Dept Informat Athina 10434 Greece

Rayground is a novel online framework for fast prototyping and interactive demonstration of ray tracing algorithms. It aims to set the ground for the online development of ray-traced visualization algorithms in an accessible manner for everyone, stripping off the mechanics that get in the way of creativity and the understanding of the core concepts. Due to the COVID-19 pandemic, remote teaching and online coursework have taken center stage. In this work, we demonstrate how Rayground can incorporate advanced instructive rendering media during online lectures as well as offer attractive student assignments in an engaging, hands-on manner. We cover things to consider when building or porting methods to this new development platform, best practices in remote teaching and learning activities, and time-tested assessment and grading strategies suitable for fully online university courses.

关键词： computer Aided Instruction Educational Courses Educational Institutions Epidemics Ray Tracing rendering computer graphics Teaching Online Coursework Instructive rendering Media Online Lectures Student Assignments Learning Activities Online University Courses Rayground Platform Fast Prototyping Interactive Demonstration Ray Traced Visualization Algorithms Remote Teaching Advanced rendering COVID 19 Pandemic Visualization Pandemics Distance Learning Education Ray Tracing Media

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Guest editorial:: Special section on visualization 2005

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IEEE TRANSACTIONS ON VISUALIZATION AND computer graphics 2006年第4期12卷 419-420页

作者： Silva, CT Gröller, E Rushmeier, H Univ Utah Sch Comp Salt Lake City UT 84112 USA Vienna Tech Univ Inst Comp Graph & Algorithms A-1040 Vienna Austria Yale Univ Dept Comp Sci New Haven CT 06520 USA

No abstract available

关键词： rendering computer graphics Data Visualization Application Software Dynamic Range Finite Element Methods Numerical Simulation Software Libraries Packaging Radiography Attenuation

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AlterVerse: A Framework for Interactive Virtual Altering of Physical Objects in Extended Reality Environments

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IEEE computer graphics AND APPLICATIONS 2024年第5期44卷 76-84页

作者： Seo, Byung-Kuk Park, Hye Sun Kim, Yong Sun Elect & Telecommun Res Inst Daejeon 34129 South Korea

This article presents AlterVerse, a framework that provides users with novel experiences through visual illusions of interactively altering physical objects in extended reality environments. In the AlterVerse framework, physical objects are seamlessly virtualized by aligning their 3-D virtual replicas with them. It enables users to manipulate (move or rotate) and reshape (deform the shapes or transform the styles of) the physical objects virtually. Simultaneously, the physical objects are visually removed from a physical environment, creating the perception that the altering occurs directly on the physical objects. As a promising application of the AlterVerse framework, the article demonstrates interactive virtual altering of home furniture in interior design or decoration scenarios without physically altering existing furniture.

关键词： Surveys Solid Modeling Telepresence Extended Reality Shape Transforms Visual Effects Search Problems rendering computer graphics Virtualization Interactive Physical Entities Virtually User Experience Object Features Digital Twin Design Scenarios Interior Design Swarm Robotics Visual Illusions Mobile Devices Image Object Color Images Graphical User Interface Human computer Interaction Control Points Generative Adversarial Networks Depth Images G Hz CPU Deformation Model Camera Pose Image Inpainting Geometric Transformation Server Side Texture Of Objects Object Geometry

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