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7th IEEE International Conference on Computer and Information Technology (CIT 2007)
A Shader for Virtual X-Ray Imaging
Aizu-Wakamatsu City, Fukushima, Japan
October 16-October 19
ISBN: 0-7695-2983-6
Shin Hasegawa, University of Aizu
Hidetaka Funayama, University of Aizu
Daming Wei, University of Aizu
A virtual reality environment to visualize and ma- nipulate catheter-based electrophysiology study (EPS) and catheter ablation is under development in our lab. This paper presents a project developing a shader for virtual X-ray imaging. One of main technical issues is how to visualize the motion of catheters within a 3D heart model as an actual X-ray camera does. We describe an application of a novel shader tech- nique for visualizing virtual X-ray images in computer graphics. A programmable shader was developed to calculate thickness of the three-dimensional surface model of internal organs (bone, muscle, lungs, etc.) and generate virtual X-ray images in real-time. Exper- imental results suggest that the shader can be expected to be a convenient tool in the development of a virtual X-ray monitor.
Citation:
Shin Hasegawa, Hidetaka Funayama, Daming Wei, "A Shader for Virtual X-Ray Imaging," cit, pp.528-533, 7th IEEE International Conference on Computer and Information Technology (CIT 2007), 2007
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