3D object construction is the foundation of 3D data visualization. In this paper

for the first time

the CT imaging mechanism is introduced in to 3D object construction. The inverse problem of the slice integral has been studied and a theory and implementation of 3D object restoration has been proposed. The proposed method has great advantage over the traditional 3D reconstruction theory. It can restore the 3D objects accurately even for the thicker slices. The proposed method is a totally new method and of great theorial and practical sign if icance.