Distance transformations in digital images
Computer Vision, Graphics, and Image Processing
Display of Surfaces from Volume Data
IEEE Computer Graphics and Applications
Efficient ray tracing of volume data
ACM Transactions on Graphics (TOG)
Through-the-lens camera control
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Accelerated volume rendering and tomographic reconstruction using texture mapping hardware
VVS '94 Proceedings of the 1994 symposium on Volume visualization
Guided navigation of virtual environments
I3D '95 Proceedings of the 1995 symposium on Interactive 3D graphics
Real-time volume rendering on shared memory multiprocessors using the shear-warp factorization
PRS '95 Proceedings of the IEEE symposium on Parallel rendering
Virtual voyage: interactive navigation in the human colon
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
The visibility skeleton: a powerful and efficient multi-purpose global visibility tool
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
The VolumePro real-time ray-casting system
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Six degree-of-freedom haptic rendering using voxel sampling
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
CEASAR: a smooth, accurate and robust centerline extraction algorithm
Proceedings of the conference on Visualization '00
Robot Motion Planning
Efficient Skeletonization of Volumetric Objects
IEEE Transactions on Visualization and Computer Graphics
Alias-Free Voxelization of Geometric Objects
IEEE Transactions on Visualization and Computer Graphics
3D Skeleton for Virtual Colonoscopy
VBC '96 Proceedings of the 4th International Conference on Visualization in Biomedical Computing
BIOMEDVIS '95 Proceedings of the 1995 Biomedical Visualization (BioMedVis '95)
TEASAR: Tree-Structure Extraction Algorithm for Accurate and Robust Skeletons
PG '00 Proceedings of the 8th Pacific Conference on Computer Graphics and Applications
Real-time volume rendering for virtual colonoscopy
VG'01 Proceedings of the 2001 Eurographics conference on Volume Graphics
An augmented Fast Marching Method for computing skeletons and centerlines
VISSYM '02 Proceedings of the symposium on Data Visualisation 2002
Fast and reliable space leaping for interactive volume rendering
Proceedings of the conference on Visualization '02
Force-Feedback-Enhanced Navigation for Interactive Visualization of Coronary Vessels
VIS '04 Proceedings of the conference on Visualization '04
HoverCam: interactive 3D navigation for proximal object inspection
Proceedings of the 2005 symposium on Interactive 3D graphics and games
Signed Distance Transform Using Graphics Hardware
Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
ShowMotion: camera motion based 3D design review
I3D '06 Proceedings of the 2006 symposium on Interactive 3D graphics and games
Curve-Skeleton Properties, Applications, and Algorithms
IEEE Transactions on Visualization and Computer Graphics
Proceedings of the 2007 ACM symposium on Virtual reality software and technology
CIARP '08 Proceedings of the 13th Iberoamerican congress on Pattern Recognition: Progress in Pattern Recognition, Image Analysis and Applications
A Low-Cost, Linux-Based Virtual Environment for Visualizing Vascular Structures
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing
Camera control in computer graphics: models, techniques and applications
ACM SIGGRAPH ASIA 2009 Courses
Camera control based on rigid body dynamics for virtual environments
VECIMS'09 Proceedings of the 2009 IEEE international conference on Virtual Environments, Human-Computer Interfaces and Measurement Systems
3D reconstruction of large tubular geometries from CT data
IS4TM'03 Proceedings of the 2003 international conference on Surgery simulation and soft tissue modeling
Distance field illumination: a rendering method to aid in navigation of virtual environments
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part II
An efficient path-generation method for virtual colonoscopy
CIARP'05 Proceedings of the 10th Iberoamerican Congress conference on Progress in Pattern Recognition, Image Analysis and Applications
A visibility-based automatic path generation method for virtual colonoscopy
CGI'06 Proceedings of the 24th international conference on Advances in Computer Graphics
SSVM'11 Proceedings of the Third international conference on Scale Space and Variational Methods in Computer Vision
Robust curve skeleton extraction for vascular structures
Graphical Models
Computer Graphics Forum
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We present a generic method for rapid flight planning, virtual navigation and effective camera control in a volumetric environment. Directly derived from an accurate distance from boundary (DFB) field, our automatic path planning algorithm rapidly generates centered flight paths, a skeleton, in the navigable region of the virtual environment. Based on precomputed flight paths and the DFB field, our dual-mode physically based camera control model supports a smooth, safe, and sticking-free virtual navigation with six degrees of freedom. By using these techniques, combined with accelerated volume rendering, we have successfully developed a real-time virtual colonoscopy system on low-cost PCs and confirmed the high speed, high accuracy and robustness of our techniques on more than 40 patient datasets.