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9th IEEE Symposium on Large Data Analysis and Visualization (LDAV)

作者： Emerson, Leah Marrinan, Thomas Univ St Thomas St Paul MN 55105 USA Argonne Natl Lab Argonne IL 60439 USA

ISBN: (纸本)9781728126050

Ultra-high-resolution visualizations of large-scale data sets are often rendered using a remotely located graphics cluster that does not have a connected display. In such instances, rendered images must either be streamed over a network for live viewing, or saved to disk for later viewing. This process introduces the additional overhead associated with transferring data off of the GPU device. We present early work on real-time compression of rendered visualizations that aims to reduce both the device-to-host data transfer time and the I/O time for streaming or writing to disk. By using OpenGL / CUDA interop, images are compressed on the GPU prior to transferring the data to main memory. Although there is a computation cost to performing compression, our results show that this overhead is more than offset by the reduced data transfer and I/O times.

关键词： Image compression offline rendering ultra-high-resolution visualization distributed rendering

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Collective Loops - Multimodal Interactions Through Co-located Mobile Devices and Synchronized Audiovisual rendering Based on Web Standards 17

Collective Loops - Multimodal Interactions Through Co-locate...

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11th International Conference on Tangible, Embedded, and Embodied Interaction (TEI)

作者： Schnell, Norbert Matuszewski, Benjamin Lambert, Jean-Philippe Robaszkiewicz, Sebastien Mubarak, Oussama Cunin, Dominique Bianchini, Samuel Boissarie, Xavier Cieslik, Gregory UPMC CNRS IRCAM UMR STMS Paris France PSL Res Univ EnsAD EnsadLab Reflect Interact Grp Paris France Orbe Paris France

ISBN: (纸本)9781450346764

As an interdisciplinary group of developers, researchers, and designers, we are currently exploring collaborative co-located applications that invite users to engage with interactive audiovisual media using the mobile devices they carry with them. This work simultaneously investigates basic concepts of collaborative interactions and user experience, together with technical concepts and features. Allowing for rapid prototyping, easy deployment, and spontaneous participation, these explorations are entirely based on established and upcoming web standards such as WebSockets, WebGL, and Web Audio API. After an overview of basic concepts common to these applications, this paper describes Collective Loops, a prototypical interactive audiovisual installation that instantiates these concepts and allows for discussing important details in the design and implementation of applications of its kind. The final part of the article summarizes the incremental design and validation of two versions of the Collective Loops installation presented at public events.

关键词： embodied interaction web standards co-located interaction multimodal interfaces mobile devices social music audiovisual synchronization distributed rendering collaboration audience participation

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distributed Unity Applications Evaluation of Approaches 18th

Distributed Unity Applications Evaluation of Approaches

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18th International Conference on Human-Computer Interaction (HCI International)

作者： Sigitov, Anton Staadt, Oliver Hinkenjann, Andre Univ Bonn Rhein Sieg Appl Sci Inst Visual Comp St Augustin Germany Univ Rostock Inst Comp Sci Rostock Germany

ISBN: (纸本)9783319405483;9783319405476

There is a need for rapid prototyping tools for large, high-resolution displays (LHRDs) in both scientific and commercial domains. That is, the area of LHRDs is still poorly explored and possesses no established standards, thus developers have to experiment a lot with new interaction and visualization concepts. Therefore, a rapid prototyping tool for LHRDs has to undertake two functions: ease the process of application development, and make an application runnable on a broad range of LHRD setups. The latter comprises a challenge, since most LHRDs are driven by multiple compute nodes and require distributed applications. Unity engine became a popular tool for rapid prototyping, since it eases the development process by means of a visual scene editor, animation libraries, input device libraries, graphical user interface libraries etc. However, it will charge developers with a high fee in order to make an application LHRD compatible. In our previous work, we developed an extension for Unity engine that allows to run Unity applications on LHRDs. In this work we consider different static vs. dynamic camera/world conditions of distributed applications;and propose and evaluate different Unity specific approaches within the scope of 2D and 3D applications for these scenarios. The primary focus of the evaluation lays on world state synchronization, which is a common issue in distributed applications.

关键词： Unity distributed rendering Large, high-resolution displays

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Building a Virtual Cluster for 3D Graphics Applications 16th

Building a Virtual Cluster for 3D Graphics Applications

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16th International Conference on Computational Science and Its Applications (ICCSA)

作者： Bogdanov, Alexander Ivashchenko, Andrei Belezeko, Alexey Korkhov, Vladimir Kulabukhova, Nataliia Khmel, Dmitry Suslova, Sofya Milova, Evgeniya Smirnov, Konstantin St Petersburg State Univ 7-9 Univ Skaya Nab St Petersburg 199034 Russia

ISBN: (纸本)9783319421087

This paper discusses a possible approach to distributed visualization and rendering system infrastructure organization, based on Linux environment with the usage of virtualization technologies. Particular attention is paid to the minutiae, which may be encountered due to the environment setup and exploitation processes, and may affect system performance and usability. Some applications and development tools are studied, as they can provide a rapid onset of computing resources exploration.

关键词： Computer graphics Virtualization distributed rendering Remote workstation

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distributed Multi-GPU Accelerated Hybrid Parallel rendering for Massively Parallel Environment

Distributed Multi-GPU Accelerated Hybrid Parallel Rendering ...

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International Conference on Virtual Reality and Visualization (ICVRV)

作者： Cao, Yi Wang, Huawei Ai, Zhiwei Inst Appl Phys & Computat Math Ctr High Performance Comp Beijing Peoples R China

ISBN: (纸本)9781479968541

For lack of local graphics hardware, general purpose massively parallel computer can hardly be used to quickly visualize the large-scale locally generated datasets with hardware-accelerated volume rendering technique. In this paper, we presented a hybrid parallel rendering scheme take advantage of the background massively parallel computer and front-end distributed graphics workstations. The streams of OpenGL rendering commands are issued from the multiprocessors of parallel machine, and the GPU-based volume rendering is executed on the remote multi-workstations. The entropy based remote data reduction is used to extract features from the massive datasets, which contributed to the reducing of the data transfer delays during remote rendering. The image compositing is performed on parallel computer to get better communication performance. Hybrid rendering performance can be further improved by overlapping rendering, compositing and display process with parallel pipeline technology. Experimental results show that our hybrid parallel rendering scheme proposed in this paper can reach interactive rates while rendering 17 GB volume dataset in the massively parallel environment.

关键词： Parallel volume rendering distributed rendering Remote visualization

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A Survey of Interactive Remote rendering Systems

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ACM COMPUTING SURVEYS 2015年第4期47卷 57-57页

作者： Shi, Shu Hsu, Cheng-Hsin AT&T Labs Res Bedminster NJ 07921 USA Natl Tsing Hua Univ Dept Comp Sci Hsinchu 30043 Taiwan

Remote rendering means rendering 3D graphics on a computing device and displaying the results on another computing device connected through a network. The concept was originally developed for sharing computing resources remotely. It has been receiving increasing attention from researchers in both academia and industry in recent years due to the proliferation of cloud computing and mobile devices. In this article, we survey the interactive remote rendering systems proposed in the literature, analyze how to improve the state of the art, and summarize the related technologies. The readers of this article will understand the history of remote rendering systems and obtain some inspirations of the future research directions in this area.

关键词： Design Algorithms Performance Cloud computing cloud games cloud rendering distributed rendering video streaming QoS QoE

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A Survey of Software Frameworks for Cluster-Based Large High-Resolution Displays

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IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS 2014年第8期20卷 1158-1177页

作者： Chung, Haeyong Andrews, Christopher North, Chris Virginia Polytech Inst & State Univ Dept Comp Sci Blacksburg VA 24060 USA Middlebury Coll Dept Comp Sci Middlebury VT 05753 USA

Large high-resolution displays (LHRD) enable visualization of extremely large-scale data sets with high resolution, large physical size, scalable rendering performance, advanced interaction methods, and collaboration. Despite the advantages, applications for LHRD can be developed only by a select group of researchers and programmers, since its software implementation requires design and development paradigms different from typical desktop environments. It is critical for developers to understand and take advantage of appropriate software tools and methods for developing their LHRD applications. In this paper, we present a survey of the state-of-the-art software frameworks and applications for cluster-based LHRD, highlighting a three-aspect taxonomy. This survey can aid LHRD application and framework developers in choosing more suitable development techniques and software environments for new LHRD applications, and guide LHRD researchers to open needs in LHRD software frameworks.

关键词： Large high-resolution display tiled displays distributed rendering parallel rendering distributed applications graphics api large scale visualization programming models input devices and strategies

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An Interactive Authoring and Simulation System for Large-Scale Artistic Performances

An Interactive Authoring and Simulation System for Large-Sca...

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IEEE Workshop on Advanced Research and Technology in Industry Applications (WARTIA)

作者： Li, Hongsong Song, Ting Ding, Gangyi Beijing Inst Technol Sch Software Lab Digital Performance & Simulat Technol Beijing Peoples R China

ISBN: (纸本)9781479969890

In this paper, we introduce an interactive VR system for authoring and simulating the crowd scenes in the largescale artistic performances. The system consists of a crowd authoring tool and a distributed crowd rendering system. The crowd authoring tool allows the users to generate complex crowd scenes by direct manipulation of virtual crowds and by semantic interactions, with a WYSIWYG graphics user interface. The authoring results can be saved as XML script, and be reused to examine the design of the performances. The distributed crowd rendering system renders the designed crowd scenes at interactive frame rate and high resolution. The presented system is proved to be an intuitive and efficient tool for the directors of the artistic performances.

关键词： crowd simulation crowd scenario authoring distributed rendering graphics editor

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Exposing Proprietary Virtual Reality Software to Nontraditional Displays

Exposing Proprietary Virtual Reality Software to Nontraditio...

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20th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision

作者： Mory, Maik Masik, Steffen Mueller, Richard Koeppen, Veit Otto von Guericke Univ Magdeburg Germany Fraunhofer Inst Factory Operat & Automat Magdeburg Germany Univ Leipzig Leipzig Germany

ISBN: (纸本)9788086943794

Nontraditional displays just started their triumph. In contrast to traditional displays, which are plane and rectangular, they do not only differ in design and architecture;they also implicate different semantics and pragmatics in the rendering pipeline. We strive for a generic solution that couples legacy applications with nontraditional displays. In this paper, we present an architecture and a respective experiment, which exposes a proprietary virtual reality software to a 360 degree virtual environment. Therefore we introduce a rigorous master-slave design. The proposed architecture requires discussion of the following details: how to access a proprietary application's OpenGL stream;how to transmit the OpenGL stream efficiently in a clustered rendering setup;how to process the OpenGL stream for adaption to nontraditional display semantics;and how to deal with the arising code complexity, withal. Our design decisions are highly interdependent. The presented architecture overcomes limitations, which were implied by client-server design in earlier work. The proposed rigorous master-slave design is totally transparent to the client software, and reduces interdependencies between rendering software and rendering clusters. Thus, it inherently reduces network round trips and promotes the use of scalable multicast. Our architecture is tested in a reproducible experiment, which provides a qualitative proof of concept.

关键词： Nontraditional Display OpenGL distributed rendering Multicast Interoperability Generative Programming

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Adaptive Quad Patches: an Adaptive Regular Structure for Web Distribution and Adaptive rendering of 3D Models 12

Adaptive Quad Patches: an Adaptive Regular Structure for Web...

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17th International ACM Symposium on 3D Web Technology (Web3D)

作者： Gobbetti, Enrico Marton, Fabio Rodriguez, Marcos Balsa Ganovelli, Fabio Di Benedetto, Marco CRS4 Turin Italy ISTI CNR Rome Italy

ISBN: (纸本)9781450314329

We introduce an approach for efficient distribution and adaptive rendering of 31) mesh models supporting a simple quad parameterization. Our method extends and combines recent results in geometric processing, real-time rendering, and web programming In particular: we exploit recent results on surface reconstruction and isometric parametrization to transform point clouds into two manifold meshes whose parametrization domain is a small collection of 2L) square regions;we encode the resulting parameterized meshes into a very compact multiresolution structures composed of variable resolution quad patches whose geometry and texture is stored in a tightly packed texture atlas;we adaptively stream and render variable resolution shape representations using a GPUaccelerated adaptive tessellation algorithm with negligible CPU overhead. Real-time performance is achieved on portable GPLI platforms using OpenGL, as well as on exploiting emerging web based environments based on Wet)G1. Promising applications of the technology range from the automatic creation of rapidly renderable objects for games to the set-up of browsable 3D models repositories in the web that will be accessible by upcoming generation of WebG1,-enabled web hrowers.

关键词： distributed rendering quad meshing subdivision

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