SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Surround-screen projection-based virtual reality: the design and implementation of the CAVE
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
Real-time volume rendering on shared memory multiprocessors using the shear-warp factorization
PRS '95 Proceedings of the IEEE symposium on Parallel rendering
Cube-4—a scalable architecture for real-time volume rendering
Proceedings of the 1996 symposium on Volume visualization
Fast sliding thin slab volume visualization
Proceedings of the 1996 symposium on Volume visualization
Fast volume rendering using a shear-warp factorization of the viewing transformation
Fast volume rendering using a shear-warp factorization of the viewing transformation
Proceedings of the 7th conference on Visualization '96
VIZARD—visualization accelerator for realtime display
HWWS '97 Proceedings of the ACM SIGGRAPH/EUROGRAPHICS workshop on Graphics hardware
The VolumePro real-time ray-casting system
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
VIS '99 Proceedings of the conference on Visualization '99: celebrating ten years
Level-of-detail volume rendering via 3D textures
VVS '00 Proceedings of the 2000 IEEE symposium on Volume visualization
Volume rendering in a virtual environment
EGVE'01 Proceedings of the 7th Eurographics conference on Virtual Environments & 5th Immersive Projection Technology
Shear-Warp deluxe: the Shear-Warp algorithm revisited
VISSYM '02 Proceedings of the symposium on Data Visualisation 2002
The parallelization of the perspective shear-warp volume rendering algorithm
EGPGV '02 Proceedings of the Fourth Eurographics Workshop on Parallel Graphics and Visualization
The parallelized perspective shear-warp algorithm for volume rendering
Parallel Computing - Parallel graphics and visualisation
Integrating pre-integration into the shear-warp algorithm
VG '03 Proceedings of the 2003 Eurographics/IEEE TVCG Workshop on Volume graphics
Visualization in Medicine: Theory, Algorithms, and Applications
Visualization in Medicine: Theory, Algorithms, and Applications
Distributed software-based volume visualization in a virtual environment
EGVE'05 Proceedings of the 11th Eurographics conference on Virtual Environments
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Since the original paper of Lacroute and Levoy [9], where the shear-warp factorization was also shown for perspective projections, a lot of work has been carried out using the shear-warp factorization with parallel projections. However, none of it has proved or improved the algorithm for the perspective projection. Also in Lacroute's Volpack library, the perspective shear-warp volume rendering algorithm is missing.This paper reports on an implementation of the perspective shear-warp algorithm, which includes enhancements for its application in immersive virtual environments. Furthermore, a mathematical proof for the correctness of the permutation of projection and warp is provided, so far a basic assumption of the shear-warp perspective projection.