ARTSccelerated ray-tracing system
IEEE Computer Graphics and Applications
Automatic Creation of Object Hierarchies for Ray Tracing
IEEE Computer Graphics and Applications
Fast ray tracing by ray classification
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
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
Design for a real-time high-quality volume rendering workstation
VVS '89 Proceedings of the 1989 Chapel Hill workshop on Volume visualization
Data Structures for Range Searching
ACM Computing Surveys (CSUR)
Multidimensional binary search trees used for associative searching
Communications of the ACM
V-buffer: visible volume rendering
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
IEEE Computer Graphics and Applications
Near real-time shaded display of rigid objects
SIGGRAPH '83 Proceedings of the 10th annual conference on Computer graphics and interactive techniques
A 3-dimensional representation for fast rendering of complex scenes
SIGGRAPH '80 Proceedings of the 7th annual conference on Computer graphics and interactive techniques
Factors Affecting Performance of Ray Tracing Hierarchies
Factors Affecting Performance of Ray Tracing Hierarchies
Fast Ray Tracing Using K-d Trees
Fast Ray Tracing Using K-d Trees
An updated cross-indexed guide to the ray-tracing literature
ACM SIGGRAPH Computer Graphics
Volume rendering on scalable shared-memory MIMD architectures
VVS '92 Proceedings of the 1992 workshop on Volume visualization
Frequency domain volume rendering
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
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
Accelerated volume rendering using homogeneous region encoding
VIS '97 Proceedings of the 8th conference on Visualization '97
High performance presence-accelerated ray casting
VIS '99 Proceedings of the conference on Visualization '99: celebrating ten years
Fast and reliable space leaping for interactive volume rendering
Proceedings of the conference on Visualization '02
Converting Discrete Images to Partitioning Trees
IEEE Transactions on Visualization and Computer Graphics
On Enhancing the Speed of Splatting with Indexing
VIS '95 Proceedings of the 6th conference on Visualization '95
Representing medical images with partitioning trees
VIS '92 Proceedings of the 3rd conference on Visualization '92
Light Weight Space Leaping using Ray Coherence
VIS '04 Proceedings of the conference on Visualization '04
EG PGV'06 Proceedings of the 6th Eurographics conference on Parallel Graphics and Visualization
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We present a new ray-tracing algorithm for volume rendering which is designed to work efficiently when the data of interest is distributed sparsely through the volume. A simple preprocessing step identifies the voxels representing features of interest. Frequently this set of voxels, arbitrarily distributed in three dimensional space, is a small fraction of the original voxel grid. A mediancut space partitioning scheme, combined with bounding volumes to prune void spaces in the resulting search structure, is used to store the voxels of interest in a k-d tree. The tree is then efficiently ray-traced to render the voxel data. The k-d tree is view independent and can be used for animation sequences involving changes in positions of the viewer or positions of lights. We have applied this search structure to render voxel data from MRI, CAT Scan and electron density distributions.