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吴孙勇, 张智雄, 李明, 等. 基于脉冲量测噪声融合的势平衡多伯努利滤波器J. 桂林电子科技大学学报, xxxx, x(x): 1-9. DOI: 10.16725/j.1673-808X.202534
引用本文: 吴孙勇, 张智雄, 李明, 等. 基于脉冲量测噪声融合的势平衡多伯努利滤波器J. 桂林电子科技大学学报, xxxx, x(x): 1-9. DOI: 10.16725/j.1673-808X.202534
WU Sunyong, ZHANG Zhixiong, LI Ming, et al. Cardinality balanced multi-Bernoulli filter based on impulse measurement noise fusionJ. Journal of Guilin University of Electronic Technology, xxxx, x(x): 1-9. DOI: 10.16725/j.1673-808X.202534
Citation: WU Sunyong, ZHANG Zhixiong, LI Ming, et al. Cardinality balanced multi-Bernoulli filter based on impulse measurement noise fusionJ. Journal of Guilin University of Electronic Technology, xxxx, x(x): 1-9. DOI: 10.16725/j.1673-808X.202534

基于脉冲量测噪声融合的势平衡多伯努利滤波器

Cardinality balanced multi-Bernoulli filter based on impulse measurement noise fusion

  • 摘要: 在面对强烈的电磁干扰、工业环境或军事电子对抗防御等复杂环境时,传感器的量测容易受到脉冲噪声的影响,从而降低势平衡多伯努利滤波器(CBMeMBer)的性能。为了降低脉冲噪声对滤波器性能带来的不利影响,提出了一种基于脉冲噪声融合的势平衡多伯努利滤波器(INF-CBMeMBer)。将量测噪声建模为高斯混合模型,由协方差较小的平稳高斯噪声和协方差较大的脉冲噪声的多元高斯分布加权和来表征,同时使用期望最大化(EM)算法来动态计算噪声的参数,包括均值、协方差和脉冲噪声出现概率。在多伯努利更新步骤分别对平稳高斯噪声和脉冲噪声的多目标状态进行更新,并通过多元高斯分布似然函数计算平稳高斯噪声和脉冲噪声的权重,利用权重对多目标状态进行融合。仿真结果验证了本文所提滤波器的有效性,滤波器在受脉冲噪声影响的场景下具有良好的跟踪效果。

     

    Abstract: In the face of strong electromagnetic interference, industrial environment or military electronic countermeasure defense and other complex environment, sensor measurement is easily affected by impulse noise. This reduces the performance of cardinality balanced multi-object multi-Bernoulli (CBMeMBer) filters. In order to reduce the impact of impulse noise on the filter, a cardinality balanced multi-object multi-Bernoulli based on impulse noise fusion-CBMeMBer(INF-CBMeMBer) is proposed. The measured noise is modeled as a Gaussian mixture model, which is characterized by the weighted sum of Gaussian distributions of stationary Gaussian noise with small covariance and impulse noise with large covariance. The expectation-maximization (EM) algorithm is used to dynamically calculate the parameters of noise, including mean, covariance and impulse noise occurrence probability. The multi-target states of stationary Gaussian noise and pulse noise are updated respectively in the updating step of multi-Bernoulli, and the weights of stationary Gaussian noise and impulse noise are calculated by the likelihood function of Gaussian distribution, and the multi-target states are fused by weights. The simulation results verify the effectiveness of the proposed filter, and the filter has a good tracking effect in the scene affected by impulse noise.

     

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