中国科学院自动化,模式识别国家重点实验室,北京,100080
网络出版:2003-10-25,
纸质出版:2003
移动端阅览
潘春洪, 马颂德. 人的三维运动的鲁棒估计[J]. 电子学报, 2003,31(10):1518-1521.
PAN Chun-hong, MA Song-de. Robust Estimation of 3D Human Motion[J]. Acta Electronica Sinica, 2003, 31(10): 1518-1521.
众所周知
人的模型可以用多棍棒连接体来表示
即棍棒模型.解剖学的知识告诉我们:人的运动有众多的约束
如刚体约束
静态旋转角约束等.本文中
我们利用人运动的刚体约束和共面约束去分析人的三维运动.理论上
我们得出:在上述多约束融合下
我们可以从单目序列图像中决定人的三维运动
其所需要的帧数不仅与刚性连接体的个数有关
而且与运动所在的空间平面与摄像机的相对位置也有密切关系.为了得到鲁棒的三维运动
我们引入了遗传算法
实验结果令人满意的.
It is well known that human body can be approximately modeled by articulated object.The anatomical knowledge reveals that there exist multiple constraints on human motion such as rigidity constraint
static rotation constraint
and so on.In this paper
we estimate 3D human motion by rigidity and coplanar constraints.In theory
we analyze the 3D structure of multi-link from motion
and investigate the relationship among the number of the frames and links and the number of equations and unknowns.By Genetic Algorithm
the robust numerical solutions can be achieved.The experiments with the simulated data and the real images are included to demonstrate the validity of the theoretic results.
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