Marching cubes: A high resolution 3D surface construction algorithm
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
Display of Surfaces from Volume Data
IEEE Computer Graphics and Applications
3D imaging in medicine
Techniques for speeding up high-quality perspective maximum intensity projection
VIP '94 The international conference on volume image processing on Volume image processing
Fast volume rendering using a shear-warp factorization of the viewing transformation
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
VVS '94 Proceedings of the 1994 symposium on Volume visualization
Illustrating transparent surfaces with curvature-directed strokes
Proceedings of the 7th conference on Visualization '96
Generation of transfer functions with stochastic search techniques
Proceedings of the 7th conference on Visualization '96
Design galleries: a general approach to setting parameters for computer graphics and animation
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
VIS '97 Proceedings of the 8th conference on Visualization '97
Semi-automatic generation of transfer functions for direct volume rendering
VVS '98 Proceedings of the 1998 IEEE symposium on Volume visualization
High quality rendering of attributed volume data
Proceedings of the conference on Visualization '98
Mixing translucent polygons with volumes
VIS '99 Proceedings of the conference on Visualization '99: celebrating ten years
Multistability in a dynamic Cournot game with three oligopolists
Mathematics and Computers in Simulation
Volume illustration: non-photorealistic rendering of volume models
Proceedings of the conference on Visualization '00
Two-level volume rendering — fusing MIP and DVR
Proceedings of the conference on Visualization '00
Mastering interactive surface rendering for Java-based diagnostic applications
Proceedings of the conference on Visualization '00
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Interactive Volume Rendering of Thin Thread Structures within Multivalued Scientific Data Sets
IEEE Transactions on Visualization and Computer Graphics
The VesselGlyph: Focus & Context Visualization in CT-Angiography
VIS '04 Proceedings of the conference on Visualization '04
Importance-Driven Feature Enhancement in Volume Visualization
IEEE Transactions on Visualization and Computer Graphics
High-Quality Two-Level Volume Rendering of Segmented Data Sets on Consumer Graphics Hardware
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Implicit surface visualization of reconstructed biological molecules
Theoretical Computer Science - In memoriam: Alberto Del Lungo (1965-2003)
Illustrative Context-Preserving Exploration of Volume Data
IEEE Transactions on Visualization and Computer Graphics
Visualization in Medicine: Theory, Algorithms, and Applications
Visualization in Medicine: Theory, Algorithms, and Applications
TimeLine and visualization of multiple-data sets and the visualization querying challenge
Journal of Visual Languages and Computing
A reliable surface reconstruction system in biomedicine
Computer Methods and Programs in Biomedicine
Visualizing Dual-Modality Rendered Volumes Using a Dual-Lookup Table Transfer Function
Computing in Science and Engineering
Blood Flow in Its Context: Combining 3D B-Mode and Color Doppler Ultrasonic Data
IEEE Transactions on Visualization and Computer Graphics
Texture-based feature tracking for effective time-varying data visualization
IEEE Transactions on Visualization and Computer Graphics
Semantic Layers for Illustrative Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
Enhancing Depth-Perception with Flexible Volumetric Halos
IEEE Transactions on Visualization and Computer Graphics
High performance approach for inner structures visualisation in medical data
International Journal of Computer Applications in Technology
Technical Section: Real-time ambient occlusion and halos with Summed Area Tables
Computers and Graphics
Technical Section: Viewpoint information channel for illustrative volume rendering
Computers and Graphics
General adaptive transfer functions design for volume rendering by using neural networks
ICONIP'06 Proceedings of the 13th international conference on Neural Information Processing - Volume Part II
Procedural image processing for visualization
ISVC'06 Proceedings of the Second international conference on Advances in Visual Computing - Volume Part I
Technical Section: Semantics by analogy for illustrative volume visualization
Computers and Graphics
Context preserving focal probes for exploration of volumetric medical datasets
3DPH'09 Proceedings of the 2009 international conference on Modelling the Physiological Human
Style nodes and repolygonization for hierarchical tree-based implicit surface modelling
Computational Aesthetics'09 Proceedings of the Fifth Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
Interactive volume illustration using intensity filtering
Computational Aesthetics'10 Proceedings of the Sixth international conference on Computational Aesthetics in Graphics, Visualization and Imaging
Focus+Context rendering of structured biomedical data
EG VCBM'08 Proceedings of the First Eurographics conference on Visual Computing for Biomedicine
Guided visualization of ultrasound image sequences
EG VCBM'10 Proceedings of the 2nd Eurographics conference on Visual Computing for Biology and Medicine
Illustrative context-preserving volume rendering
EUROVIS'05 Proceedings of the Seventh Joint Eurographics / IEEE VGTC conference on Visualization
Feature emphasis and contextual cutaways for multimodal medical visualization
EUROVIS'07 Proceedings of the 9th Joint Eurographics / IEEE VGTC conference on Visualization
Illustrating surfaces in volume
VISSYM'04 Proceedings of the Sixth Joint Eurographics - IEEE TCVG conference on Visualization
Path line oriented topology for periodic 2D time-dependent vector fields
EUROVIS'06 Proceedings of the Eighth Joint Eurographics / IEEE VGTC conference on Visualization
Layers for effective volume rendering
SPBG'08 Proceedings of the Fifth Eurographics / IEEE VGTC conference on Point-Based Graphics
Multi-layer volume ray casting on GPU
VG'10 Proceedings of the 8th IEEE/EG international conference on Volume Graphics
Interaction-dependent semantics for illustrative volume rendering
EuroVis'08 Proceedings of the 10th Joint Eurographics / IEEE - VGTC conference on Visualization
EuroVis'10 Proceedings of the 12th Eurographics / IEEE - VGTC conference on Visualization
Instant volume visualization using maximum intensity difference accumulation
EuroVis'09 Proceedings of the 11th Eurographics / IEEE - VGTC conference on Visualization
An evaluation of visualization techniques to illustrate statistical deformation models
EuroVis'11 Proceedings of the 13th Eurographics / IEEE - VGTC conference on Visualization
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In this paper, we present a two-level approach for volume rendering, i.e., two-level volume rendering, which allows for selectively using different rendering techniques for different subsets of a 3D data set. Different structures within the data set are rendered locally on an object-by-object basis by either DVR, MIP, surface rendering, value integration (x-ray-like images), or nonphotorealistic rendering. All the results of subsequent object renderings are combined globally in a merging step (usually compositing in our case). This allows us to selectively choose the most suitable technique for depicting each object within the data while keeping the amount of information contained in the image at a reasonable level. This is especially useful when inner structures should be visualized together with semitransparent outer parts, similar to the focus-plus-context approach known from information visualization. We also present an implementation of our approach which allows us to explore volumetric data using two-level rendering at interactive frame rates.