A skeleton based vertex sigruficance map for rapid viewpoint selection

Abstract:

Aiming at the problem that viewpoint selection are widely used in many applications, such as, 3D object visual shape analysis and processing, graphics drawing, scene rendering and optimal layout, we define a new skeleton map with the vertex importance based on curve-skeleton of 3D object and present a computation method for the information of viewpoint. Based on Loop subdivision stencil, the final best viewpoint and worst viewpoint can be rapidly achieved under a certain threshold using iterative subdivision for the triangular mesh generating from the selected initial viewpoints. Both analytical and experimental results show that the new skel- eton map can effectively integrate into viewpoint selection and provide the functionality of rapid selection for the final best and worst viewpoints. The run time efficiency and maximum visual topological perception infor- mation is also demonstrated by these experiments and result analysis