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基于相对形变模型及正则化技术的人体运动估计

DOI: 10.11834/jig.20020107

Keywords: 人体运动,相对形变模型,单目图象序列,运动估计,正则化技术,最小二乘估计

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Abstract:

为了使根据人体行走的单目动态图象序列,对人体手臂及腿部的运动及结构参数进行估计的结果更为可信、更具鲁棒性,提出了一种基于相对形变模型及正则化技术的人体运动估计方法,该方法首先在物体中心坐标的运动表示方式下,通过在刚体运动模型中加入形变系数的方法给出了基于相对形变概念的非刚体运动模型;然后,根据这一非刚体运动模型进行正则化运动及结构参数的估计,再以正则化的形式融入人体运动的先验知识,使运动估计的结果更具鲁棒性,实验结果证明,该方法有效地反映了人体的非刚体运动模式,运动模型中所加入的相对形变系数也一定程度反映了人体的运动规律。

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