3D modelling of elastic articulated objects and its parameter determination from image points

Abstract

This paper presents a new model of elastic articulated objects based on revolving conic surface. The model includes 3D object skeleton and deformable surfaces that can represent the deformation of human body surfaces. In each limb, surface deformation is represented by adjusting only one deformation parameter. Then, the 3D deformation parameters are determined by corresponding 2D image points from a sequence of stereo images. The 3D motion parameters are estimated based on the skeleton points. The algorithm presented in this paper includes skeleton-based parameter estimation of motion and parameter determination of deformable surfaces.

Keywords:

• ELASTIC ARTICULATED OBJECTS
• HUMAN BODY MODELING
• REVOLVING CONIC SURFACES
• MOTION ESTIMATION