Filters








70,260 Hits in 4.5 sec

Dynamic Adaptive Point Cloud Streaming

Mohammad Hosseini, Christian Timmerer
2018 Proceedings of the 23rd Packet Video Workshop on ZZZ - PV '18  
In this paper, we run a pilot study towards dynamic adaptive point cloud streaming, and extend the concept of dynamic adaptive streaming over HTTP (DASH) towards DASH-PC, a dynamic adaptive bandwidth-efficient  ...  This has called researchers to propose efficient and adaptive approaches for streaming of high-quality point clouds.  ...  With this, we create a low resolution density histogram, with higher number of points in a cell representing a denser cluster.  ... 
doi:10.1145/3210424.3210429 dblp:conf/mmsys/HosseiniT18 fatcat:rini4cyjyndffpbwquerh6agbe

Ultrascale Collaborative Visualization Using a Display-Rich Global Cyberinfrastructure

Byungil Jeong, Jason Leigh, Andrew Johnson, Luc Renambot, Maxine Brown, Ratko Jagodic, Sungwon Nam, Hyejung Hur
2010 IEEE Computer Graphics and Applications  
A tiled display is a large, high-resolution display system comprising an array of LCD panels that a computer cluster drives.  ...  In this environment, collaborators generate very-high-resolution visualizations on shared CI and distribute the results over high-speed networks to heterogeneous, high-resolution tiled displays at the  ...  Figure 2 . 2 The SAGE (Scalable Adaptive Graphics Environment) architecture. Each visualization application runs on nodes in a distributed rendering cluster.  ... 
doi:10.1109/mcg.2010.45 pmid:20650719 fatcat:flua3d2si5cgzmnlurtaqt2yfq

LambdaBridge: A Scalable Architecture for Future Generation Terabit Applications

Xi Wang, Venkatram Vishwanath, Byungil Jeong, Ratko Jagodic, Eric He, Luc Renambot, Andrew Johnson, Jason Leigh
2006 2006 3rd International Conference on Broadband Communications, Networks and Systems  
Grid clusters) using on-demand lambda/VLAN provisioning and end-system traffic shaping.  ...  This paper features a main enabler of collaborative visualization over LambdaGrid, the Scalable Adaptive Graphics Environment (SAGE) in particular, and anticipates the future needs of LambdaGrid applications  ...  The second approach uses a cluster of PCs to replicate the streams on behalf of the rendering cluster ( Figure 6 : bottom diagram).  ... 
doi:10.1109/broadnets.2006.4374342 dblp:conf/broadnets/WangVJJHRJL06 fatcat:bkp4uk3mozbavhqipa4n2x27ly

Remote visualization of large scale data for ultra-high resolution display environments

Sungwon Nam, Byungil Jeong, Luc Renambot, Andrew Johnson, Kelly Gaither, Jason Leigh
2009 Proceedings of the 2009 Workshop on Ultrascale Visualization - UltraVis '09  
The Scalable Adaptive Graphics Environment (SAGE) is a graphics middleware that enables real-time streaming of ultra-high resolution visual content from distributed visualization resources to scalable  ...  Integrating these two technologies enables visualization of large-scale data at an extremely high resolution to be displayed on distantly located scalable tiled displays.  ...  We have developed an "operating system" for such ultra-high resolution display systems known as Scalable Adaptive Graphics Environment (SAGE) [13] .  ... 
doi:10.1145/1838544.1838550 fatcat:562q5xajtbhe5illj2b2w5lfxq

Enabling high resolution collaborative visualization in display rich virtual organizations

Luc Renambot, Byungil Jeong, Hyejung Hur, Andrew Johnson, Jason Leigh
2009 Future generations computer systems  
These operations require high-resolution image multicasting from a rendering cluster to multiple display clusters.  ...  In this paper, we present a novel approach to distribute high-resolution images to multiple tiled displays in real-time using a high-performance PC cluster.  ...  Acknowledgements The Electronic Visualization Laboratory (EVL) at the University of Illinois at Chicago specializes in the design and development of high-resolution visualization and virtual-reality display  ... 
doi:10.1016/j.future.2008.07.004 fatcat:aah6tspp3nbwpmnupueidcjmqi

A general framework for multidimensional adaptation

David Gotz, Ketan Mayer-Patel
2004 Proceedings of the 12th annual ACM international conference on Multimedia - MULTIMEDIA '04  
We present a generic adaptation framework that distills the common elements essential to a broad class of adaptive applications.  ...  Our framework provides an abstract data representation and defines a generic set of adaptation operations that directly support multidimensional and multimedia adaptive behavior.  ...  In this case study, we consider a multicast-based application with independent video and audio streams. The distribution of each layer-encoded stream is split across multiple clusters.  ... 
doi:10.1145/1027527.1027671 dblp:conf/mm/GotzM04 fatcat:ue7rylbm4vgfzlcsyijivi3yom

Methods for Adaptive Video Streaming and Picture Quality Assessment to Improve QoS/QoE Performances

Kenji Kanai, Bo Wei, Zhengxue Cheng, Masaru Takeuchi, Jiro Katto
2019 IEICE transactions on communications  
MPEG-DASH has become popular for adaptive video streaming, and machine learning techniques are being introduced in several parts of video streaming.  ...  This paper introduces recent trends in video streaming and four methods proposed by the authors for video streaming.  ...  In MPEG-DASH, video contents are encoded by multiple bitrate-resolution pairs, called "representations," and adaptive streaming is carried out by clients' selection of one representation according to their  ... 
doi:10.1587/transcom.2018ani0003 fatcat:62cqvs4znvgtdghnifg5cajgmq

High-Performance Dynamic Graphics Streaming for Scalable Adaptive Graphics Environment

Byungil Jeong, Luc Renambot, Ratko Jagodic, Rajvikram Singh, Julieta Aguilera, Andrew Johnson, Jason Leigh
2006 ACM/IEEE SC 2006 Conference (SC'06)  
The Scalable Adaptive Graphics Environment (SAGE) is specialized middleware for enabling data, high-definition video and extremely high-resolution graphics to be streamed in real-time from remotely distributed  ...  In the SAGE framework, multiple visualization applications can be streamed to large tiled displays and viewed at the same time.  ...  The Electronic Visualization Laboratory (EVL) at the University of Illinois at Chicago specializes in the design and development of high-resolution visualization and virtual-reality display systems, collaboration  ... 
doi:10.1109/sc.2006.35 fatcat:dey25dwarffvxdh5kzvohew7ny

Wireless Multicast for Zoomable Video Streaming [article]

Hui Wang, Mun Choon Chan, Wei Tsang Ooi
2015 arXiv   pre-print
Zoomable video streaming refers to a new class of interactive video applications, where users can zoom into a video stream to view a selected region of interest in higher resolutions and pan around to  ...  Streaming the tiles to a set of heterogeneous users using broadcast is challenging, as users have different link rates and different regions of interest at different resolution levels.  ...  In live zoomable video streaming system [20] , multiple resolution levels are available for each video stream.  ... 
arXiv:1505.01933v1 fatcat:nowyzbujnjevvpubslpb5db6ni

A Multi-user Oriented Live Free-viewpoint Video Streaming System Based On View Interpolation [article]

Jingchuan Hu, Shuai Guo, Kai Zhou, Yu Dong, Jun Xu, Li Song
2021 arXiv   pre-print
Based on this, we also build an end-to-end live free-viewpoint system with a multi-user oriented streaming strategy.  ...  Furthermore, the individuality of user interaction makes it difficult to serve multiple users simultaneously for a system with conventional architecture.  ...  The high-resolution real view is stitched with the downscaled low-resolution interpolated viewpoint to form our organized multi-view cluster frame.  ... 
arXiv:2112.10603v2 fatcat:aif2lvraefg6xo7hp6hbhb2biy

Image Splicing Location Based on Illumination Maps and Cluster Region Proposal Network

Ye Zhu, Xiaoqian Shen, Shikun Liu, Xiaoli Zhang, Gang Yan
2021 Applied Sciences  
Finally, a Cluster Region Proposal Network (C-RPN) with spatial attention and an adaptive cluster anchor are proposed to generate potential tampered regions with greater retention of location information  ...  The dual-stream feature in our network is fused through Multiple Feature Pyramid Network (MFPN), which contains richer context information.  ...  A Cluster Region Proposal Network (C-RPN) is proposed, where the cluster anchor can adapt the varying sizes of tampered region and Cluster Region Proposal Network (C-RPN) The default anchor size in Region  ... 
doi:10.3390/app11188437 fatcat:mpe43yuz7jhxzbdzxjbnomuq7e

Real-time mesh simplification using the GPU

Christopher DeCoro, Natalya Tatarchuk
2007 Proceedings of the 2007 symposium on Interactive 3D graphics and games - I3D '07  
We can generate adaptive levels of detail by applying non-linear warping functions to the cluster map in order to improve resulting simplification quality.  ...  Our GPU-accelerated approach enables simultaneous construction of multiple levels of detail and outof-core simplification of extremely large polygonal meshes.  ...  We propose to address these concerns using a multi-resolution grid with multiple levels, from lowest to finest resolution, where each level has twice the detail of the previous in each dimension ("octree  ... 
doi:10.1145/1230100.1230128 dblp:conf/si3d/DeCoroT07 fatcat:2ejn6ajmsvek3agpaern6uii4a

Control Architecture for N-Screen Based Interactive Mutli-Vision System
N-스크린 기반 인터렉티브 멀티 비전 시스템 제어 구조

Ghulam Sarwar, Farman Ullah, Changwoo Yoon, Sungchang Lee
2013 Journal of the Institute of Electronics and Information Engineers  
The Scalable Adaptive Graphics Environment (SAGE) streams RGB pixels from remote rendering-cluster to the display-cluster [6∼7] .  ...  Bridge Node The SAGE-Bridge provides high resolution streams to the tiled-display while N-Screen have limited screen resolution and access network speed.  ... 
doi:10.5573/ieek.2013.50.6.072 fatcat:6toyuhq54nanhpb5fxq2gvsyf4

A Self-adaptive and Real-time panoramic video mosaicing system

Lin Zeng, Dexiang Deng, Xi Chen, Yunlu Zhang
2012 Journal of Computers  
In real-time monitoring process, resolution must be set against field vision.  ...  In this paper, we proposed a new adaptive video mosaicing algorithm based on SIFT algorithm and template matching method.  ...  SELF-ADAPTIVE OPTIMAL MOSAICING ALGORITHM Figure 5 Figure 6 . 56 overlap area of inconsistent viewpoint Algorithm: Self-adaptive optimal mosaicing Algorithm Input: video streams Output: the optimal panoramic  ... 
doi:10.4304/jcp.7.1.218-225 fatcat:idnmjqzejvczzmbalndakzse64

Real-time multi-scale brain data acquisition, assembly, and analysis using an end-to-end OptIPuter

Rajvikram Singh, Nicholas Schwarz, Nut Taesombut, David Lee, Byungil Jeong, Luc Renambot, Abel W. Lin, Ruth West, Hiromu Otsuka, Sei Naito, Steven T. Peltier, Maryann E. Martone (+3 others)
2006 Future generations computer systems  
Singh). traversing scales: as investigations increase in resolution they typically decrease in scope.  ...  The images used spanned multiple modalities of imaging and specimen preparation, thus providing context at every level and allowing the scientists to better understand the biological structures.  ...  Chris Airriess and Ryan Biltz supported clusters at the NCMIR end. We are grateful for the demonstration time support by Hiroyuki Hakozaki and James Bouwer.  ... 
doi:10.1016/j.future.2006.03.017 fatcat:a47zfhn3prhuphzelihl7cbdka
« Previous Showing results 1 — 15 out of 70,260 results