摘要： 针对均值漂移（MS）目标跟踪算法受背景环境变化干扰较大的问题，提出一种基于背景加权的多特征融合目标跟踪算法BWMMS。引入基于目标模型与目标周围背景模型差分的加权函数，细化各像素对准确描述目标的重要程度，从而提高目标模板的分辨能力。结合颜色与纹理特征进行目标跟踪，构建基于目标和目标背景区域的特征自适应融合机制，使BWMMS算法能够根据跟踪场景变化自适应调整颜色与纹理特征的权值。实验结果表明，与MS算法、HRBW算法相比，该算法对环境变化的适应性较好，能取得更鲁棒的跟踪结果，且跟踪成功率高达94.84%。

关键词: 背景加权, 特征融合, 目标跟踪, 颜色特征, 纹理特征

Abstract: As the Mean Shift(MS) target tracking algorithm is subject to the changes of background environment,this paper proposes a multi-feature fusion target tracking algorithm BWMMS based on background weighting.First,this paper introduces the weighted function based on the differences between the target model and the background model around the target,and refines the importance of each pixel to the target description,so as to improve the resolution of the target template.Then this paper combines the color and texture to track the target.According to the target and the target background area,this paper builds a feature adaptive fusion mechanism,thus enabling the BWMMS algorithm to adaptively adjust the weight of color and texture features according to the changes of tracking scenes.The experimental results show that compared with the MS algorithm and HRBW algorithm,the proposed method has better adaptability to environment changes.Besides,it can achieve more robust tracking results,and the tracking success rate reaches 94.84%.

Key words: background weighting, feature fusion, target tracking, color feature, texture feature

中图分类号: 

• TP391