Efficient ray tracing of volume data
ACM Transactions on Graphics (TOG)
Fast algorithms for volume ray tracing
VVS '92 Proceedings of the 1992 workshop on Volume visualization
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
ACM Computing Surveys (CSUR)
Direct volume rendering with shading via three-dimensional textures
Proceedings of the 1996 symposium on Volume visualization
A practical evaluation of popular volume rendering algorithms
VVS '00 Proceedings of the 2000 IEEE symposium on Volume visualization
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
Shading for Fourier Volume Rendering
VVS '02 Proceedings of the 2002 IEEE symposium on Volume visualization and graphics
A new object-order ray-casting algorithm
Proceedings of the conference on Visualization '02
High-Quality Splatting on Rectilinear Grids with Efficient Culling of Occluded Voxels
IEEE Transactions on Visualization and Computer Graphics
IEEE Computer Graphics and Applications
GPU-based frequency domain volume rendering
Proceedings of the 20th spring conference on Computer graphics
Acceleration Techniques for GPU-based Volume Rendering
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
High-Quality Two-Level Volume Rendering of Segmented Data Sets on Consumer Graphics Hardware
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
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Volumetric data rendering has become an important tool in various medical procedures as it allows the unbiased visualization of fine details of volumetric medical data (CT, MRI, fMRI). However, due to the large amount of computation involved, the rendering time increases dramatically as the size of the data set grows. This paper presents several acceleration techniques of volume rendering using general-purpose GPU. Some techniques enhance the rendering speed of software ray casting based on voxels' opacity information, while the others improve traditional hardware-accelerated object-order volume rendering. Remarkable speedups are observed using the proposed GPU-based algorithm from experiments on routine medical data sets.