Patent ID: 8830269
Filing Date: 2014-09-09
Classification: G06T

Abstract:
1. A method of deforming a shape of a human body model, comprising the steps of: reorganizing human body model data into a joint-skeleton structure-based Non-Uniform Rational B-spline (NURBS) surface model; generating statistical deformation information about control parameters of the NURBS surface model based on parameters of joints and key section curves for specific motions; and deforming the shape of the human body model based on the NURBS surface model and the statistical deformation information, wherein the reorganizing step includes the steps of: generating a skeleton structure corresponding to landmarks set for respective regions of the human body model data; generating a hierarchical joint structure by using, in the generated skeleton structure, a spine of a trunk as a root and using articulating portions of respective regions of the human body model data as sub-roots; generating the key section curves based on the hierarchical joint structure; generating NURBS surfaces by interpolating the generated key section curves for the respective regions of the human body model data, thereby to generate an outward appearance of a NURBS surface model; and setting dependency between the NURBS surfaces and displacement of respective vertexes of the human body model data, thereby to output the NURBS surface model, and wherein the method is performed by means of computer hardware comprising a human body model generating unit configured to perform said reorganizing; a statistical deformation generating unit configured to perform said generating; and a human body model shape deformation unit configured to perform said deforming.