Marching cubes: A high resolution 3D surface construction algorithm
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
Efficient ray tracing of volume data
ACM Transactions on Graphics (TOG)
Generation of transfer functions with stochastic search techniques
Proceedings of the 7th conference on Visualization '96
Semi-automatic generation of transfer functions for direct volume rendering
VVS '98 Proceedings of the 1998 IEEE symposium on Volume visualization
Models of light reflection for computer synthesized pictures
SIGGRAPH '77 Proceedings of the 4th annual conference on Computer graphics and interactive techniques
The Transfer Function Bake-Off
IEEE Computer Graphics and Applications
Smart hardware-accelerated volume rendering
VISSYM '03 Proceedings of the symposium on Data visualisation 2003
Digital Image Processing (3rd Edition)
Digital Image Processing (3rd Edition)
Acceleration Techniques for GPU-based Volume Rendering
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
Real-time Volume Graphics
A Flexible Multi-Volume Shader Framework for Arbitrarily Intersecting Multi-Resolution Datasets
IEEE Transactions on Visualization and Computer Graphics
High-Quality Multimodal Volume Rendering for Preoperative Planning of Neurosurgical Interventions
IEEE Transactions on Visualization and Computer Graphics
Multimodal volume rendering with 3D textures
Computers and Graphics
Dynamic Shader Generation for GPU-Based Multi-Volume Ray Casting
IEEE Computer Graphics and Applications
Ray casting of multiple volumetric datasets with polyhedral boundaries on manycore GPUs
ACM SIGGRAPH Asia 2009 papers
GPU-Based Ray Casting of Multiple Multi-resolution Volume Datasets
ISVC '09 Proceedings of the 5th International Symposium on Advances in Visual Computing: Part II
High-quality lighting and efficient pre-integration for volume rendering
VISSYM'04 Proceedings of the Sixth Joint Eurographics - IEEE TCVG conference on Visualization
A simple and flexible volume rendering framework for graphics-hardware-based raycasting
VG'05 Proceedings of the Fourth Eurographics / IEEE VGTC conference on Volume Graphics
Fused multi-volume DVR using binary space partitioning
EuroVis'09 Proceedings of the 11th Eurographics / IEEE - VGTC conference on Visualization
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The most essential technique to visualize 3D scalar data is direct volume rendering. For many applications it is necessary that two or more 3D data are visualized simultaneously. We present an overview of data intermixing techniques for visualization with the direct volume rendering technique ray casting. The techniques are Classification Level Intermixing, Accumulation Level Intermixing and Image Level Intermixing. The algorithms are implemented on the Graphics Processing Unit (GPU) in order to be able to interact with the visualization in real-time. We use the new CUDA technology from Nvidia for that. We compare performance by measuring frames per seconds (FPS) and analyzing image quality with criteria contrast and depth effect. Depth effect is determined by a small user study. In most cases Accumulation Level Intermixing is the best choice.