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Light propagation for mixed polygonal and volumetric data
2005
International 2005 Computer Graphics
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Some applications require scenes mixing polygonal and volumetric objects and shadows make the scenes more realistic. ...
The shadow and soft shadow algorithm applies to all combinations of volumes and polygons, without any restriction on the geometric positioning and overlap of the volumes and polygons. ...
ACKNOWLEDGMENTS We would like to thank the NSF Career Award (#9876022) for support to this project, and thank S. ...
doi:10.1109/cgi.2005.1500434
dblp:conf/cgi/ZhangXC05
fatcat:5ao64abuqnf6tlc6emjc2tmcla
Volume synthesis
[chapter]
1996
Lecture Notes in Computer Science
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Volume visualization is a method of extracting meaningful information from volumetric data using interactive graphics and imaging. ...
When volumetric data are visualized using surface rendering, a dimension of information is essentially lost. ...
Fig. 1 is courtesy of Hughes Aircraft Co. The scene has been voxelized using voxelization algorithms, a voxel-based modeler, and a photo-mapper developed at SUNY Stony Brook. ...
doi:10.1007/3-540-62005-2_8
fatcat:waeet4fumvbpfnfz2k6kzfjfqi
GI-cube
2000
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS workshop on Graphics hardware - HWWS '00
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We present a hardware architecture, GI-Cube, designed to accelerate volume rendering, empower volumetric global illumination, and enable a host of ray-based volumetric processing. ...
The algorithm reorders ray processing based on a partitioning of the volume. A cache enables efficient processing of coherent rays within a hardware pipeline. ...
The authors wish to thank Justine Dachille, Manjushree Nulkar, Klaus Mueller, Ingmar Bitter, and Kevin Kreeger for their assistance, reviews, and discussion. ...
doi:10.1145/346876.348241
fatcat:vbqfcwi6h5gtvn3vavhrotjl3a
Patch Volumes: Segmentation-Based Consistent Mapping with RGB-D Cameras
2013
2013 International Conference on 3D Vision
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Some techniques are able to create large-scale maps, while others focus on accurate details using GPUaccelerated volumetric representations. ...
In this work we describe patch volumes, a novel multiple-volume representation which enables the creation of globally consistent maps of indoor environments beyond the capabilities of previous high-accuracy ...
Acknowledgements We are grateful to Richard Newcombe for his guidance during the development of our system. ...
doi:10.1109/3dv.2013.59
dblp:conf/3dim/HenryFBM13
fatcat:i6fzr2ny3jdytdbog7htrbvgsq
Volume Visualization and Volume Rendering Techniques
[article]
2000
Eurographics State of the Art Reports
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There is a wide range of devices and scientific simulation generating volumetric data. Visualizing such data, ranging from regular data sets to scattered data, is a challenging task. ...
This course will give an introduction to the volume rendering transport theory and the involved issues such as interpolation, illumination, classification and others. ...
Philips Research, Hamburg; for the NASA Langley Fighter, Neely and Batina; for the Super Phoenix Nuclear reactor, Bruno Nitrosso, Electricite de France; for the F117, Robert Haimes, MIT; We also would like to ...
doi:10.2312/egt.20001035
fatcat:u2khla4j4fghfarpj4zv6xhf7m
Block-NeRF: Scalable Large Scene Neural View Synthesis
[article]
2022
arXiv
pre-print
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We build a grid of Block-NeRFs from 2.8 million images to create the largest neural scene representation to date, capable of rendering an entire neighborhood of San Francisco. ...
This decomposition decouples rendering time from scene size, enables rendering to scale to arbitrarily large environments, and allows per-block updates of the environment. ...
Methods for rendering small baseline view interpolation often use feed-forward networks to learn a mapping directly from input images to an output volume [15, 76] , while methods such as Neural Volumes ...
arXiv:2202.05263v1
fatcat:wirb4tz5ovecloxij5ytulcunq
State of the art in photon density estimation
2012
ACM SIGGRAPH 2012 Posters on - SIGGRAPH '12
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Volume Rendering Eqn
object
x
30
object
Volume Rendering Eqn
L(xs , ⇥ )
⌅ ...
We use Sil- bors n) and render the scenes using our method. ...
doi:10.1145/2343483.2343489
fatcat:lmmwllfeyjd5tibrm3yzkntcly
Interactive texture-based volume rendering for large data sets
2001
IEEE Computer Graphics and Applications
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To employ direct volume rendering, TRex uses parallel graphics hardware, software-based compositing, and highperformance I/O to provide near-interactive display rates for time-varying, terabytesized data ...
We used the Raleigh-Taylor data set, courtesy of Robert Weaver at the Los Alamos National Laboratory. ...
Acknowledgments This work was supported in part by grants from the US Department of Energy ASCI Views program, the DOE Advanced Visualization Technology Center, National Science Foundation's Advanced Computational ...
doi:10.1109/38.933524
fatcat:xwsrabn7kfbtdcmcjqz5r23k3m
Dense tracking, mapping and scene labeling using a depth camera
2018
Revista Facultad de Ingeniería
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tracking, 3D reconstruction, and object detection of desktop-like environments, using a depth camera; the Kinect sensor. ...
The camera pose is estimated using a model-to-frame technique with a coarse-to-fine iterative closest point algorithm (ICP), achieving a drift-free trajectory, robustness to fast camera motion and to variable ...
The authors would like to thank Fundación CEIBA for the financial support that has made the development of this work possible. ...
doi:10.17533/udea.redin.n86a07
fatcat:sda3oc6pmvaexbgjr3ooy5o6cq
Real-time Ray Tracing through the Eyes of a Game Developer
2007
2007 IEEE Symposium on Interactive Ray Tracing
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Besides researchers, the prospect of a brave new world attracts hobbyists (such as demo coders) and game developers: Ray tracing promises an elegant and fascinating alternative to z-buffer approaches, ...
The Arauna ray tracer, developed at the NHTV university of applied science, is used as an example of a ray tracer that has been specifically build with games and performance in mind. ...
The author wishes to thank Carsten Wächter, Alexander Keller and Per Christensen for proofreading and useful comments. ...
doi:10.1109/rt.2007.4342584
fatcat:nyp4icrddjg2jphkih427qxkmy
Real-time Ray Tracing through the Eyes of a Game Developer
2007
2007 IEEE Symposium on Interactive Ray Tracing
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Besides researchers, the prospect of a brave new world attracts hobbyists (such as demo coders) and game developers: Ray tracing promises an elegant and fascinating alternative to z-buffer approaches, ...
The Arauna ray tracer, developed at the NHTV university of applied science, is used as an example of a ray tracer that has been specifically build with games and performance in mind. ...
The author wishes to thank Carsten Wächter, Alexander Keller and Per Christensen for proofreading and useful comments. ...
doi:10.1109/rt.2007.4342583
fatcat:zghmsmfz25cjxcybaqi7pqffde
Overview of Volume Rendering
[chapter]
2005
Visualization Handbook
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a hallmark of object-order methods) and they use early ray termination for fast occlusion culling (which is a hallmark of image-order methods). ...
INTRODUCTION Volume visualization is a method of extracting meaningful information from volumetric data using interactive graphics and imaging. ...
doi:10.1016/b978-012387582-2/50009-5
fatcat:gthzcwcaanhuvhpmab7ii6r5fa
Real-Time Rendering of Point Clouds With Photorealistic Effects: A Survey
2022
IEEE Access
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A categorization and discussion on the capabilities of state-of-the-art photorealistic point cloud rendering methods is presented by surveying both real-time and offline methods, which are assumed to become ...
for increased performance for animated and live captured scenes, and adding path tracing techniques to increase photorealistic effects in the rendering result. ...
Cone and cylinder/beam tracing are methods which circumvent the problem of individual points having no explicit surface to intersect, by expanding rays into a volume object able to capture points inside ...
doi:10.1109/access.2022.3146768
fatcat:ahyee25xargufc536j5kfrtniy
Voxelisation Algorithms and Data Structures: A Review
2021
Sensors
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In this review, we evaluate the most common properties and algorithms for voxelisation of 2D and 3D objects. ...
large dynamically changing scenes. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/s21248241
pmid:34960336
pmcid:PMC8707769
fatcat:fjcwswuv5zhndcwzf4kqtvpv4e
Coverage-based opacity estimation for interactive Depth of Field in molecular visualization
2015
2015 IEEE Pacific Visualization Symposium (PacificVis)
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The proposed algorithm is a novel object-based approach which eliminates many of the shortcomings of state-of-the-art image-based DoF algorithms. ...
Figure 1 : Thermus thermophilus 70S ribosome (PDB ID: 2WDK) rendered with no Depth of Field effect (left) and using our approach focusing on near structures (center) and far away structures (right). ...
While volumetric DoF techniques can be directly integrated into the volume rendering process [20] , image-based post-processing techniques are often used for surface-based models. ...
doi:10.1109/pacificvis.2015.7156385
dblp:conf/apvis/KottravelFSR15
fatcat:xiyp2kkqxzhejjbzn2t65avpaq
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