VG: Eurographics/IEEE VGTC Symposium on Volume Graphics: Recent submissions

Now showing items 101-120 of 134

    • Topology-Guided Downsampling 

      Kraus, Martin; Ertl, Thomas (The Eurographics Association, 2001)
      We present a new downsampling method for structured volmue grids, which preserves much more of the topology of a scalar field than existing downsampling methods by preferable selecting scalar values of critical points. In ...

    • Hybrid Distance Field Computation 

      Satherley, Richard; Jones, Mark W. (The Eurographics Association, 2001)
      Distance fields are a widely investigated area within the area of Volume Graphics. Research is divided between applications; such as skeletonisation, hypertexture, voxelisation, acceleration of rendering techniques, ...

    • Parallelizing the ZSWEEP Algorithm for Distributed-Shared Memory Architectures 

      Farias, Ricardo; Silva, Claudio T. (The Eurographics Association, 2001)
      In this paper we describe a simple parallelization of the ZSWEEP algorithm for rendering unstructured volumetric grids on distributed-shared memory machines, and study its performance on three generations of SGI multiprocessors, ...

    • Efficient Space Leaping for Ray casting Architectures 

      Meißner, M.; Doggett, M.; Hirche, J.; Kanus, U. (The Eurographics Association, 2001)
      One of the most severe problems for ray casting architectures is the waste of computation cycles and I/O bandwidth, due to redundant sampling of empty space. While several techniques exist for software implementations to ...

    • vlib: A Volume Graphics API 

      Winter, Andrew S.; Chen, Min (The Eurographics Association, 2001)
      This paper describes vlib, a generic application programming interface for volume graphics which supports many of the significant developments in the field to date. We present an overview of the interface and describe how ...

    • A Technique for Volumetric CSG based on Morphology 

      Baerentzen, A.; Christensen, N. J. (The Eurographics Association, 2001)
      In this paper, a new technique for volumetric CSG is presented. The technique requires the input volumes to correspond to solids which fulfill a voxelization suitability criterion. Assume the CSG operation is union. The ...

    • A Volume Modeling Component of CAD 

      Jianwen, Zhou; Feng, Lin; Soon, Seah Hock (The Eurographics Association, 2001)
      This paper presents a framework we have developed for modeling and manipulation of volumetric data sets. It is a set of new functions integrated into a CAD system. We shall address freeform modeling through voxelization ...

    • An Architecture For Interactive Tetrahedral Volume Rendering 

      King, Davis; Wittenbrink, Craig M.; Wolters, Hans J. (The Eurographics Association, 2001)
      We present a new architecture for interactive unstructured volume rendering. Our system moves all the computations necessary for order-independent transparency and volume scan conversion from the CPU to the graphics hardware, ...

    • Volume Graphics Modeling of Ice Thawing 

      Fujishiro, Issei; Aoki, Etsuko (The Eurographics Association, 2001)
      Image synthesis of natural phenomena is one of the fundamental research areas in volume graphics. Since the pursuit of photoreality requires physically-based computation at the cost of interactivity, much more attention ...

    • A Study of Transfer Function Generation for Time-Varying Volume Data 

      Jankun-Kelly, T.J.; Ma, Kwan-Liu (The Eurographics Association, 2001)
      The proper usage and creation of transfer functions for time-varying data sets is an often ignored problem in volume visualization. Although methods and guidelines exist for time-invariant data, little formal study for the ...

    • A Survey of Methods for Volumetric Scene Reconstruction from Photographs 

      Slabaugh, Greg; Culbertson, Bruce; Malzbender, Tom; Schafer, Ron (The Eurographics Association, 2001)
      Scene reconstruction, the task of generating a 3D model of a scene given multiple 2D photographs taken of the scene, is an old and difficult problem in computer vision. Since its introduction, scene reconstruction has found ...

    • Splatting With Shadows 

      Nulkar, Manjushree; Mueller, Klaus (The Eurographics Association, 2001)
      In this paper we describe an efficient approach to add shadows to volumetric scenes. The light emitted by the lightsource is properly attenuated by the intervening volumetric structures before it is reflected towards the ...

    • Data Level Comparison of Surface Classification and Gradient Filters 

      Kim, Kwansik; Wittenbrink, Craig M.; Pang, Alex (The Eurographics Association, 2001)
      Surface classification and shading of three dimensional scalar data sets are important enhancements for direct volume rendering (DVR). However, unlike conventional surface rendering, DVR algorithms do not have explicit ...

    • Refraction in Discrete Ray Tracing 

      Rodgman, David; Chen, Min (The Eurographics Association, 2001)
      Refraction is an important graphics feature for synthesizing photorealistic images. This paper presents a study on refraction rendering in volume graphics using discrete ray tracing. We describe four basic approaches for ...

    • Smooth Mixed-Resolution GPU Volume Rendering 

      Beyer, Johanna; Hadwiger, Markus; Möller, Torsten; Fritz, Laura (The Eurographics Association, 2008)
      We propose a mixed-resolution volume ray-casting approach that enables more flexibility in the choice of downsampling positions and filter kernels, allows freely mixing volume bricks of different resolutions during rendering, ...

    • Memory Efficient GPU-Based Ray Casting for Unstructured Volume Rendering 

      Maximo, A.; Ribeiro, S.; Bentes, C.; Oliveira, A.; Farias, R. (The Eurographics Association, 2008)
      Volume ray casting algorithms benefit greatly with recent increase of GPU capabilities and power. In this paper, we present a novel memory efficient ray casting algorithm for unstructured grids completely implemented on ...

    • Pseudorandom Noise for Real-Time Volumetric Rendering of Fire in a Production System 

      Vanzine, Y.; Vrajitoru, D. (The Eurographics Association, 2008)
      This paper presents an effort at developing a robust, interactive framework for rendering 3D fire in real-time in a production environment. Many techniques of rendering fire in non real-time exist and are constantly employed ...

    • Adaptive Sampling and Rendering of Fluids on the GPU 

      Zhang, Yanci; Solenthaler, Barbara; Pajarola, Renato (The Eurographics Association, 2008)
      In this paper, we propose a novel GPU-friendly algorithm for the Smoothed Particle Hydrodynamics (SPH) simulation for weakly compressible fluids. The major goal of our algorithm is to implement a GPU-based SPH simulation ...

    • Accelerating Volume Raycasting using Occlusion Frustums 

      Mensmann, Jörg; Ropinski, Timo; Hinrichs, Klaus (The Eurographics Association, 2008)
      GPU-based volume raycasting allows to produce high quality renderings on current graphics hardware. The use of such raycasters is on the rise due to their inherent flexibility as well as the advances in hardware performance ...

    • Interactive Global Light Propagation in Direct Volume Rendering using Local Piecewise Integration 

      Hernell, Frida; Ljung, Patric; Ynnerman, Anders (The Eurographics Association, 2008)
      A novel technique for efficient computation of global light propagation in interactive DVR is presented in this paper. The approach is based on a combination of local shadows from the vicinity of each voxel with global ...