Virtual endoscopy (VE) is a typical medical image processing technology,which relates to computer science, graphics, data visualization, anatomy,radiology and many other fields. Virtual endoscopy is relative to the traditionaloptical endoscope, which uses image processing technology to reconstruct thehuman organ endoscope perspective image similar to the traditional opticalendoscopy from a set of serial images, is an emerging medical aided diagnosistechnique. Compared with the traditional optical endoscopy,...