Global non-rigid registration and reconstruction method of deformable object
A non-rigid registration, global technology, applied in 3D modeling, graphics and image conversion, image data processing and other directions, can solve the problems such as the deformation of adjacent viewing angles cannot be large, the amount of calculation is large, and the time is long.
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[0069] In order to solve the problems of the existing methods, it can deal with the deformation of the large motion of the three-dimensional target object. For this reason, the solution adopted by the present invention is a global non-rigid registration method based on sparse representation. Suppose there is a model with n perspectives, denoted as U 1 ,U 2 ,...,U n . For any model p, N is the number of points of model p; is the point homogeneous coordinates of . For a pair of adjacent models U p , U p+1 (for the last model U n , adjacent to which is U 1 ), using artificial or corresponding algorithms (such as "Tam G K L, Martin R R, Rosin P L, et al. Diffusionpruning for rapidly and robustly selecting global correspondences using localisometry[J].Acm Transactions on Graphics,2014,33(1) :57-76.”) Find the initial mapping relationship f between them p→p+1 , that is, the corresponding points, and then solve the non-rigid transformation X between them p , is a 3*...
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