2P1-C13 並列Fast Level Set Methodによる実物体の高速な3次元形状復元

概要

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Various markerless motion capture systems using video cameras, which enable to recover not only motion of a target but also its appearance, have been proposed so far. However, in case that there are multiple persons in the scene at the same time, it is quite difficult to reconstruct a precise 3D model of each person separately due to the occlu f sion between them. To deal with these problem, we have developed a motion capture system using the Fast Level Set Method for recoverying 3D models of multiple persons separately and robustly against occlusion. This paper introduces an estimation method of target's moving direction based on a property of the Fast Level Set Method. As an application of the estimation method, we propose a load balancing method based on predicted moving direction for parallel Fast Level Set Method implemented on a PC cluster, Tracking experiment of a moving target using the proposed system are successfully carried out.