Based on particle filters, a head elliptical contour tracking method applicable to complex background, large distance range and arbitrary pose is proposed in this paper.
结合粒子滤波思想，给出了一种适用于复杂背景和较远距离下跟踪任意姿态人体头部椭圆轮廓的方法。
This method can be widely used to determine the minimal transporting velocity of other large-size particle material in the hydraulic vertical lifting piping.
该方法也可广泛地应用于确定其它大颗粒物料的最小输送速度。
The nanometer-level hollow hydroxylapatite material produced by the method is small in particle size, large in pore volume and surface area;
本发明羟基磷灰石纳米空心材料粒径小，孔体 积和表面积大；
The nanometer-level hollow hydroxylapatite material produced by the method is small in particle size, large in pore volume and surface area;
本发明羟基磷灰石纳米空心材料粒径小，孔体 积和表面积大；
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