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嵌入尺度可变均值漂移算法的粒子滤波方法

DOI: 10.11830/ISSN.1000-5013.2010.04.0408

Keywords: 粒子滤波, 均值漂移算法, 尺度可变, 对数极坐标, 目标跟踪

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Abstract:

将尺度可变均值漂移算法嵌入到粒子的扩散过程中,引导粒子扩散到后验概率密度函数的高密度区,提出一种嵌入尺度可变均值漂移算法的粒子滤波跟踪方法.利用对数极坐标图像的尺度不变性,在粒子扩散过程中同时进行位置、尺度空间漂移.实验表明,该方法不仅能顺利跟踪非连续尺度变化目标,而且需要更少的粒子数.

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