Research on Virtual Endoscopy System
Xi'an, Shanxi（2010）
摘要
Virtual endoscopy system are researched in this paper. We use boundary model and local feature structure to realize tissue segmentation. A new efficient algorithm is presented to solve path planning based on distance transform. As for real-time processing, a frame in virtual endoscopy is divided into near viewpoint part and far viewpoint part based on volume data characteristics in our method. In the aspect of scene rendering, a ray casting algorithm based on the boundary voxel is proposed. We can voyage in virtual endoscopy system in real time with high quality images to use these techniques.
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关键词
virtual endoscopy,ray casting,endoscopes,scene rendering,far viewpoint part,virtual endoscopy system,image segmentation,rendering (computer graphics),tissue segmentation,ray casting algorithm,boundary model,local feature structure,distance transform,path planning,new efficient algorithm,near viewpoint part,high quality image,boundary voxel,medical image processing,virtual endoscope,real time systems,real time processing,silicon,real time
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