Marching cubes: A high resolution 3D surface construction algorithm
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
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
Illumination and color in computer generated imagery
Illumination and color in computer generated imagery
Efficient ray tracing of volume data
ACM Transactions on Graphics (TOG)
Comprehensible rendering of 3-D shapes
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Edge detection in multispectral images
CVGIP: Graphical Models and Image Processing
A volume density optical model
VVS '92 Proceedings of the 1992 workshop on Volume visualization
Computer-generated pen-and-ink illustration
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Interactive pen-and-ink illustration
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Opacity-modulating triangular textures for irregular surfaces
Proceedings of the 7th conference on Visualization '96
Generation of transfer functions with stochastic search techniques
Proceedings of the 7th conference on Visualization '96
Orientable textures for image-based pen-and-ink illustration
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Volume rendering of abdominal aortic aneurysms
VIS '97 Proceedings of the 8th conference on Visualization '97
Interactive volume rendering for virtual colonoscopy
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
Interactive ray tracing for isosurface rendering
Proceedings of the conference on Visualization '98
High quality rendering of attributed volume data
Proceedings of the conference on Visualization '98
Image-based transfer function design for data exploration in volume visualization
Proceedings of the conference on Visualization '98
Interactive technical illustration
I3D '99 Proceedings of the 1999 symposium on Interactive 3D graphics
Volume rendering based interactive navigation within the human colon (case study)
VIS '99 Proceedings of the conference on Visualization '99: celebrating ten years
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
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Proceedings of the conference on Visualization '01
Optical Models for Direct Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
Conveying the 3D Shape of Smoothly Curving Transparent Surfaces via Texture
IEEE Transactions on Visualization and Computer Graphics
Designing Effective Transfer Functions for Volume Rendering from Photographic Volumes
IEEE Transactions on Visualization and Computer Graphics
Multidimensional Transfer Functions for Interactive Volume Rendering
IEEE Transactions on Visualization and Computer Graphics
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Enhancing Transparent Skin Surfaces with Ridge and Valley Lines
VIS '95 Proceedings of the 6th conference on Visualization '95
Marching through the Visible Man
VIS '95 Proceedings of the 6th conference on Visualization '95
An FFT-based technique for translation, rotation, and scale-invariant image registration
IEEE Transactions on Image Processing
Visualization in Medicine: Theory, Algorithms, and Applications
Visualization in Medicine: Theory, Algorithms, and Applications
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Traditionally, volume rendering of medical data has been comprised of transfer functions that map a scalar value, usually a MRI or CT intensity, to an opacity. Corresponding color maps are either selected regardless of the actual physical color of the volume (i.e. greyscale) or predetermined as in photographic volumes. Rarely has the voxel color been used as a means to define the associated opacity value. By using transfer functions that map multi-channel color values(RGB or CIE L*u*v*) to opacity, we can generate compelling and informative renderings that provide consistent boundary extraction throughout the volume. We present renderings of the Visible Human photographic volume using multi-dimensional color-based transfer functions. These functions were constructed by using gradient boundary enhancement techniques in conjunction with volume illustration techniques and incorporating the first and second directional derivatives along the gradient direction. We empirically compare the effectiveness of using the color-based transfer functions and discuss their applications and potential for future development.