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GPU Accelerated Direct Volume Rendering on an Interactive Light Field Display

Marco Agus, Enrico Gobbetti, José Antonio Iglesias Guitiàn, Fabio Marton, Giovanni Pintore
2008 Computer graphics forum (Print)  
We present a GPU accelerated volume ray casting system interactively driving a multi-user light field display.  ...  The display, driven by a single programmable GPU, is based on a specially arranged array of projectors and a holographic screen and provides full horizontal parallax.  ...  In this article, we present and demonstrate a GPU accelerated volume ray casting system interactively driving a multiuser light field display based on projection technology.  ... 
doi:10.1111/j.1467-8659.2008.01120.x fatcat:u2kwqbfn2vhuznfrnptv4m4zju

Towards Advanced Volumetric Display of the Human Musculoskeletal System [article]

Marco Agus, Andrea Giachetti, Enrico Gobbetti, José Antonio Iglesias Guitián, Fabio Marton
2008 Smart Tools and Applications in Graphics  
Our volume rendering approach employs GPU accelerated out-of-core direct rendering algorithms to fully support high resolution, 16 bits, raw medical datasets as well as segmentation.  ...  Images can be presented on a special light field display based on projection technology.  ...  Direct capture with a digital camera of an interactive inspection of anatomical human datasets visualized on the light field display with Direct Volume Rendering plus Non Photo-realistic transparency effects  ... 
doi:10.2312/localchapterevents/italchap/italianchapconf2008/021-025 dblp:conf/egItaly/AgusGGGM08 fatcat:n5lpaciyhfci5gixwvlln322lm


Matthew Hirsch, Shahram Izadi, Henry Holtzman, Ramesh Raskar
2013 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems - CHI '13  
This allows any light source to act as an input controller, for example to allow intuitive interaction with a medical data set. 8D works by simultaneously capturing and displaying a 4D light field (as  ...  We demonstrate two interactive possibilities enabled by our lens-array-based hardware prototype, and realtime GPU-accelerated software pipeline.  ...  Implemented in HLSL and DirectX 11, the GPU pipeline runs in real-time on an Nvidia GTX 470 GPU.  ... 
doi:10.1145/2470654.2481304 dblp:conf/chi/HirschIHR13 fatcat:tgjziayprvc4jdxlhfi3zgwy2u

Spatial 3D infrastructure: display-independent software framework, high-speed rendering electronics, and several new displays

Won-Suk Chun, Joshua Napoli, Oliver S. Cossairt, Rick K. Dorval, Deirdre M. Hall, Thomas J. Purtell II, James F. Schooler, Yigal Banker, Gregg E. Favalora, Andrew J. Woods, Mark T. Bolas, John O. Merritt (+1 others)
2005 Stereoscopic Displays and Virtual Reality Systems XII  
At the time of writing, SpatialGL runs on COTS workstations (both Windows and Linux) and on Actuality's highperformance embedded computational engine that couples an NVIDIA GeForce 6800 Ultra GPU, an AMD  ...  The authors designed the SpatialGL API, a new rendering framework that unifies these display methods under one interface.  ...  of true volume datasets using an NVIDIA GPU.  ... 
doi:10.1117/12.589320 fatcat:z37pgxfj7bc23bltytejudatdu

View-dependent exploration of massive volumetric models on large-scale light field displays

José Antonio Iglesias Guitián, Enrico Gobbetti, Fabio Marton
2010 The Visual Computer  
The possibilities of the system are demonstrated by the multi-user interactive exploration of 64GVoxels datasets on a 35MPixel light field display driven by a cluster of PCs.  ...  We report on a light-field display based virtual environment enabling multiple naked-eye users to perceive detailed multi-gigavoxel volumetric models as floating in space, responsive to their actions,  ...  In this paper, we report on an illustrative multiresolution volume rendering system capable to interactively drive large multi-projector light field displays offering continuous horizontal parallax in  ... 
doi:10.1007/s00371-010-0453-y fatcat:3byuukhlhvdufcqki3rlj5wfhu

Holographic visualization of volume data based on adjustable ray to optical-wave conversion

Xin Zhao, Xinzhu Sang, Hui Li, Duo Chen, Yuanhang Li, Cheng Peng, Binbin Yan
2022 Chinese Optics Letters (COL)  
A holographic visualization of volume data based on adjustable ray to optical-wave conversion is presented.  ...  The program is accelerated in parallel to reduce the total time, and the reconstructions are dynamically adjusted to express different parts of an object.  ...  Lastly, the CGH data is loaded on the spatial light modulator (SLM) for holographic display. The volume data is bound to texture memory of the GPU to achieve random and fast reading.  ... 
doi:10.3788/col202220.010501 fatcat:7rmpmed6pjerjo6oyyrnwbhc2e

Ray tracing and volume rendering large molecular data on multi-core and many-core architectures

Aaron Knoll, Ingo Wald, Paul A. Navrátil, Michael E. Papka, Kelly P. Gaither
2013 Proceedings of the 8th International Workshop on Ultrascale Visualization - UltraVis '13  
Ray casting presents a scalable and memory-efficient alternative, but modern techniques typically rely on GPU-based acceleration to achieve interactive rendering rates.  ...  We show that our approach running on co-processors is competitive with similar techniques running on GPU accelerators, and we demonstrate large-scale parallel remote visualization from TACC's Stampede  ...  Ray casting in particular is an attractive option for rendering molecular data, since ball-and-stick glyphs can be rendered directly without tessellation, and direct volume rendering can be used in place  ... 
doi:10.1145/2535571.2535594 dblp:conf/sc/KnollWNPG13 fatcat:vboviq5mnfg7je65r5im5q7zy4

An interactive rendering system using hierarchical data structure for earth-scale clouds

Yoshinori Dobashi, Tsuyoshi Yamamoto, Tomoyuki Nishita
2010 Science China Information Sciences  
The realistic display of earth-scale clouds requires us to render large volume data representing the density distribution of the clouds.  ...  This paper presents an interactive system for realistic visualization of earth-scale clouds.  ...  One of our future goals is to accelerate these calculations by using the GPU.  ... 
doi:10.1007/s11432-010-0070-4 fatcat:3bup4w3qvnhzherjzupm4uldju

Raycasting of Light Field Galleries from Volumetric Data

C. Rezk-Salama, S. Todt, A. Kolb
2008 Computer graphics forum (Print)  
We show how light field galleries can be created to give unexperienced audiences access to interactive high-quality volume renditions.  ...  The approach expands an existing sphere-hemisphere parameterization for the light field with per-pixel depth.  ...  The performance data displayed in Table 7 refers to rendering a single-layer light field into a viewport of size 512 × 512 on an NVidia Geforce 8800 GTX board with 768MB memory.  ... 
doi:10.1111/j.1467-8659.2008.01215.x fatcat:bdgdt4n4zjbyneftcnau4mcjdy

A survey of GPU-based medical image computing techniques

Lin Shi, Wen Liu, Heye Zhang, Yongming Xie, Defeng Wang
2012 Quantitative Imaging in Medicine and Surgery  
The potential advantages and associated challenges of current GPU-based medical imaging are also discussed to inspire future applications in medicine.  ...  The major purpose of this survey is to provide a comprehensive reference source for the starters or researchers involved in GPU-based medical image processing.  ...  Then Lefohn et al. devised an interactive LSA to segment target objects in real-time clinical applications based on GPU computing, with 10× to 15× speedup over the non-accelerated version (48) .  ... 
doi:10.3978/j.issn.2223-4292.2012.08.02 pmid:23256080 pmcid:PMC3496509 fatcat:aco26l6qnfccrbjodilyweygzq

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
Meanwhile, achieving such a rendering algorithm at an interactive speed and of good robustness to handle mass data still remains a challenging issue.  ...  Consequently, medical volume visualization is increasingly attracting attention towards achieving an effective visualization algorithm for medical diagnosis and pre-treatment planning.  ...  Image rendering in an interactive speed has become the greatest concern of researchers. Bentoumi et al. [21] implemented a shear-Warp algorithm on GPU.  ... 
arXiv:1211.5595v1 fatcat:rryynhipxffmlnb5qq2hniqhay

Dynamic Resolution in GPU-Accelerated Volume Rendering to Autostereoscopic Multiview Lenticular Displays

Daniel Ruijters
2008 EURASIP Journal on Advances in Signal Processing  
The method is based on buffering GPU-accelerated direct volume rendered visualizations of the individual views from their respective focal spot positions, and composing the output signal for the multiview  ...  We propose a method for hardware accelerated volume rendering of medical data sets to multiview lenticular displays, offering interactive manipulation throughout.  ...  In this article, a method for accelerated direct volume rendering to multiview lenticular displays has been presented.  ... 
doi:10.1155/2009/843753 fatcat:3ms4kxg46faq3bc2uhcrhroynu

Visualization and GPU-accelerated simulation of medical ultrasound from CT images

Oliver Kutter, Ramtin Shams, Nassir Navab
2009 Computer Methods and Programs in Biomedicine  
c o m p u t e r m e t h o d s a n d p r o g r a m s i n b i o m e d i c i n e 9 4 ( 2 0 0 9 ) 250-266 a b s t r a c t We present a fast GPU-based method for simulation of ultrasound images from volumetric  ...  Real-time visualization A key component of our real-time visualization is the concurrent display of the simulated ultrasound images within the CT data-set using GPU-Accelerated direct volume rendering  ...  In recent years, GPU-accelerated ray casting has emerged as the de facto standard for high quality real-time direct volume rendering [23, [25] [26] [27] .  ... 
doi:10.1016/j.cmpb.2008.12.011 pmid:19249113 fatcat:n4v55qkw2zgx7bhrcwqn7apepm

GLuRay: Enhanced Ray Tracing in Existing Scientific Visualization Applications using OpenGL Interception [article]

Carson Brownlee, Thomas Fogal, Charles D. Hansen
2012 Eurographics Symposium on Parallel Graphics and Visualization  
Rendering polygonal models such as isosurfaces can be done identically to an OpenGL implementation using provided material and camera properties or superior rendering can be achieved using enhanced settings  ...  such as dielectric materials or pinhole cameras with depth of field effects.  ...  Seven render threads were used on an 8-core node, leaving one main thread for processing OpenGL state changes and image display.  ... 
doi:10.2312/egpgv/egpgv12/041-050 fatcat:63eusavqs5bihps4kyxspxz5he

Simultaneous GPU-Assisted Raycasting of Unstructured Point Sets and Volumetric Grid Data [article]

Ralf Kaehler, Tom Abel, Hans-Christian Hege
2007 International Workshop on Volume Graphics, Proceedings of the  
It further supports direct implementations of many sophisticated acceleration techniques and lighting models.  ...  Unlike slice-based volume rendering approaches GPU-assisted raycasting does not suffer from rendering artifacts caused by varying sample distances along different ray-directions or limited frame-buffer  ...  Related Work The most popular hardware-accelerated techniques for direct volume rendering of data on structured grids are texturebased slicing and GPU-assisted ray-casting approaches.  ... 
doi:10.2312/vg/vg07/049-056 fatcat:khe6gde7lvc45l2v5fo6zusnou
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