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Streaming Model Based Volume Ray Casting Implementation for Cell Broadband Engine

Jusub Kim, Joseph JaJa
2009 Scientific Programming  
Specifically, we introduce streaming model based schemes and techniques to efficiently implement acceleration techniques for ray casting on Cell B.E.  ...  In this paper, we introduce an efficient parallel implementation of volume ray casting on the Cell B.E.  ...  David Bader for generously allowing us to use Cell Processors at the STI Cell Center of Competence at Georgia Tech for this research.  ... 
doi:10.1155/2009/248465 fatcat:6zqtsik54bddvgidfjzelfprra

Streaming Model Based Volume Ray Casting Implementation for Cell Broadband Engine [article]

Jusub Kim, Joseph JaJa
2008 Eurographics Symposium on Parallel Graphics and Visualization  
In this paper, we propose an experimental study of an inexpensive off-the-shelf sort-last volume visualization architecture based upon multiple GPUs and a single CPU.  ...  We show how to efficiently make use of this architecture to achieve high performance sort-last volume visualization of large datasets.  ...  Conclusion We presented streaming model based volume ray casting, which is a new strategy for performing ray casting.  ... 
doi:10.2312/egpgv/egpgv08/009-016 fatcat:oo25zebsmnho5f5msy454avt7m

High Performance Computing with the Cell Broadband Engine

Michael Gschwind, Fred Gustavson, Jan F. Prins
2009 Scientific Programming  
Prins December 2008 Streaming Model Based Volume Ray Casting Implementation for Cell Broadband Engine -3D Seismic Imaging through Reverse-Time Migration on Homogeneous and Heterogeneous Multi-core Processors  ...  In the performance engineering and library development category: -Implementing a Parallel Matrix Factorization Library on the Cell Broadband Engine -QR Factorization for the CELL Processor We want to thank  ... 
doi:10.1155/2009/979236 fatcat:bqpei34o2jaclhjv3houo5vzb4

Exploring parallelism in volume ray casting

Guilherme Cox, Cleomar Silva, Leandro Cupertino, Cristiana Bentes, Ricardo Farias
2012 Proceedings of the 2012 International Workshop on Programming Models and Applications for Multicores and Manycores - PMAM '12  
In this paper, we present some new architectural-aware algorithms for irregular grid rendering based on the ray casting method, designed for the Cell BE and the GPU.  ...  We investigate the ray traversal inside each accelerator in terms of data access, load balancing, and code divergence, and find new opportunities for performance optimizations based on the ray casting  ...  and new opportunities for optimizations based on the ray casting specific needs.  ... 
doi:10.1145/2141702.2141710 dblp:conf/ppopp/CoxSCBF12 fatcat:tmdht5fcufa47elxcqi6j72wdi

Hardware-Accelerated Raycasting: Towards an Effective Brain MRI Visualization [article]

A.M. Adeshina, R. Hashim, N.E.A. Khalid, Siti Z.Z. Abidin
2012 arXiv   pre-print
This paper proposes a GPU-based raycasting algorithm for accurate allocation and localization of human brain abnormalities using magnetic resonance (MRI) images of normal and abnormal patients.  ...  Consequently, medical volume visualization is increasingly attracting attention towards achieving an effective visualization algorithm for medical diagnosis and pre-treatment planning.  ...  Kim & Jaja [18] implemented cell processor architecture for broadband engine with regular datasets for direct volume rendering. Similarly, Cox et al.  ... 
arXiv:1211.5595v1 fatcat:rryynhipxffmlnb5qq2hniqhay

Institute of Visual Computing at the Bonn-Rhine-Sieg University of Applied Sciences, Germany

Gernot Goebbels, Martin Göbel, André Hinkenjann, Wolfgang Heiden, Marco Winzker, Rainer Herpers, Robert Scholl
2011 Journal of Interactive Systems  
ACKNOWLEDGMENT We want to express our utmost acknowledgment to the university for its encouraging support and for making all this possible.  ...  The system consists of a modular Virtual Reality framework and a cluster-based ray tracing rendering extension running on a number of Cell Broadband Engine-based servers.  ...  TraCell (Streamed Ray Tracing of Single Rays on the Cell Figure 4 . 4 TraCell: interactive global illumination of a car model D.  ... 
doi:10.5753/jis.2011.574 fatcat:n3kvuvtl2rfg5c7gn74az4i4n4

Ray Tracing on the Cell Processor

Carsten Benthin, Ingo Wald, Michael Scherbaum, Heiko Friedrich
2006 2006 IEEE Symposium on Interactive Ray Tracing  
In this paper, we describe an implementation of realtime ray tracing on a Cell.  ...  One particular example of such an architecture is the Cell Broadband Engine Architecture (CBEA), a multi-core processor that offers a raw compute power of up to 200 GFlops per 3.2 GHz chip.  ...  Acknowledgments We would like to thank Mercury Computer Systems for providing the Cell evaluation system and all people that have contributed to this paper, in particular Philipp Slusallek, Kevin O'Brien  ... 
doi:10.1109/rt.2006.280210 fatcat:h5vxjmznb5fg3h6du7wbfs4bty

Streamed Ray Tracing of Single Rays on the Cell Processor [article]

Florian Bingel, Andre Hinkenjann
2010 Eurographics Symposium on Parallel Graphics and Visualization  
Together with careful optimization for SIMD processing, a performance comparable to a packet based ray tracer, running on the same hardware, is achieved.  ...  In this paper we present an approach to efficiently trace single rays on the Cell Processor, instead of using ray packets.  ...  We would like to thank VRmagic for providing the eye model and IBM Deutschland GmbH for the close co-operation.  ... 
doi:10.2312/egpgv/egpgv10/035-041 fatcat:xqsjrikyevgdxpsfyp3dx5ina4

A Path‐tracing Monte Carlo Library for 3D Radiative Transfer in Highly Resolved Cloudy Atmospheres

Najda Villefranque, Richard Fournier, Fleur Couvreux, Stéphane Blanco, Céline Cornet, Vincent Eymet, Vincent Forest, Jean‐Marc Tregan
2019 Journal of Advances in Modeling Earth Systems  
Building on this community effort, we present here an open-source library for general use in Monte Carlo algorithms.  ...  This library is devoted to the acceleration of ray tracing in complex data, typically high-resolution large-domain grounds and clouds.  ...  His path tracing model was the first unbiased scene renderer to be based on MC ray tracing.  ... 
doi:10.1029/2018ms001602 fatcat:q2rtxd3gkjanfmydy7nqwtoxhe

Frameworks for Multi-core Architectures: A Comprehensive Evaluation Using 2D/3D Image Registration [chapter]

Richard Membarth, Frank Hannig, Jürgen Teich, Mario Körner, Wieland Eckert
2011 Lecture Notes in Computer Science  
In this paper, we present five such frameworks for parallelization on shared memory multi-core architectures, namely OpenMP, Cilk++, Threading Building Blocks, RapidMind, and OpenCL.  ...  We are indebted to the RRZE (Regional Computing Center Erlangen) and their HPC team for granting computational resources and providing access to preproduction hardware.  ...  Ray casting is used to generate the radiograph from the volume, casting one ray for each pixel through the volume.  ... 
doi:10.1007/978-3-642-19137-4_6 fatcat:guuyi6d3ercqvbgyfs3v5p5lya

Next Generation 5G Mobile Health Network for User Interfacing in Radiology Workflows

Mohd Mahmeen, Marcus Richard Melconian, Sultan Haider, Michael Friebe, Maciej Pech
2021 IEEE Access  
This paper analyses the current pain points associated with the general radiology workflow for X-ray imaging in terms of user interfaces and network technologies.  ...  With these 5G architectures implemented, a new, novel radiology workflow, was visualized, with clear benefits arising from the 5G innovations highlighted.  ...  It allows the placement of an optical sensor for high-resolution encoded media streaming to the user's device and the implementation of full-duplex communications for two-way transmission of other relevant  ... 
doi:10.1109/access.2021.3097303 fatcat:2vujn7fl5fhylc23ziruficms4

State of the Art in Ray Tracing Animated Scenes

Ingo Wald, William R. Mark, Johannes Günther, Solomon Boulos, Thiago Ize, Warren Hunt, Steven G. Parker, Peter Shirley
2009 Computer graphics forum (Print)  
The effectiveness of techniques for ray tracing dynamic scenes vary dramatically depending on details such as scene complexity, model structure, type of motion, and the coherency of the rays.  ...  Ray tracing has long been a method of choice for off-line rendering, but traditionally was too slow for interactive use.  ...  In particular, Sung-Eui Yoon and Christian Lauterbach have provided feedback on their BVH-based systems, and, in particular, on selective restructuring.  ... 
doi:10.1111/j.1467-8659.2008.01313.x fatcat:ezggrka36feb5bamnbljpvxzle

State of the Art in Ray Tracing Animated Scenes [article]

Ingo Wald, William R. Mark, Johannes Günther, Solomon Boulos, Thiago Ize, Warren Hunt, Steven G. Parker, Peter Shirley
2007 Eurographics State of the Art Reports  
The effectiveness of techniques for ray tracing dynamic scenes vary dramatically depending on details such as scene complexity, model structure, type of motion, and the coherency of the rays.  ...  Ray tracing has long been a method of choice for off-line rendering, but traditionally was too slow for interactive use.  ...  In particular, Sung-Eui Yoon and Christian Lauterbach have provided feedback on their BVH-based systems, and, in particular, on selective restructuring.  ... 
doi:10.2312/egst.20071056 fatcat:5ywddhbt2vgqxjufltfqzau6va

Offload – Automating Code Migration to Heterogeneous Multicore Systems [chapter]

Pete Cooper, Uwe Dolinsky, Alastair F. Donaldson, Andrew Richards, Colin Riley, George Russell
2010 Lecture Notes in Computer Science  
We discuss solutions to several challenging issues related to call-graph duplication, and present an implementation of Offload for the Cell BE processor, evaluated using a number of benchmarks.  ...  We present Offload, a programming model for offloading parts of a C++ application to run on accelerator cores in a heterogeneous multicore system.  ...  Acknowledgements We are grateful to Anton Lokhmotov, Paul Keir, Philipp Rümmer, and the anonymous reviewers, for their insightful comments on an earlier draft of this work. Alastair F.  ... 
doi:10.1007/978-3-642-11515-8_25 fatcat:cou7m2w2ivgknbm5shqjfow6me

Real-time three-dimensional Fourier-domain optical coherence tomography video image guided microsurgeries

Jin U. Kang
2012 Journal of Biomedical Optics  
The system displays at a maximum speed of 10 volume∕s for an image volume size of 160 × 80 × 1024 ðX × Y × ZÞ pixels.  ...  This system is based on a full-range complex conjugate free Fourierdomain OCT (FD-OCT). The system was built in a CPU-GPU heterogeneous computing architecture capable of video OCT image processing.  ...  The image plane is set to 512 × 512 pixels, which means a total number of 512 × 512 ¼ 262; 144 eye rays are used to construct the whole rendering volume for the ray-casting process.  ... 
doi:10.1117/1.jbo.17.8.081403 pmid:23224164 pmcid:PMC3381017 fatcat:ofmcnhgejbh4zby5tvy6mig5qe
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