Xutang Zhang

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The comparison and matching based on partial description of the 3D model is the current focus of study in the shape analysis. The partial description based on the eigenfunction of the Laplace-Beltrami operator is an important way. A large number of eigenfunction values of any point on the surface of the model form a eigenvector; based on this vector,(More)
A novel local shape descriptor, geodesic connected graph, is proposed for the representation of three-dimensional (3D) prismatic CAD model represented by triangle meshes. First, the model is segmented using the extended Gaussian image. Second, the segmented areas which are visual from certain direction are connected by geodesic lines. Finally, a geodesic(More)
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