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1.中国科学院 光束控制重点实验室, 四川 成都 610209
2.中国科学院 光电技术研究所, 四川 成都 610209
3.中国科学院大学, 北京 101400
[ "吴水琴(1994-), 女, 江西上饶人, 硕士研究生, 2016年于西南大学获得学士学位, 主要从事计算机视觉和图像跟踪的研究。E-mail:1798768385@qq.com" ]
[ "毛耀(1978-), 男, 四川眉山人, 博士, 研究员, 博士生导师, 2016年于中国科学院光电技术研究所获得博士学位, 主要从事光电跟踪系统及光束控制领域的关键技术研究。E-mail:maoyao@ioe.ac.cn" ]
收稿日期:2018-09-05,
录用日期:2018-12-15,
纸质出版日期:2019-02-05
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吴水琴, 毛耀, 刘琼, 等. 一种解决遮挡问题的跟踪方法[J]. 液晶与显示, 2019,34(2):188-193.
Shui-qin WU, Yao MAO, Qiong LIU, et al. Tracking method for solving occlusion problem[J]. Chinese journal of liquid crystals and displays, 2019, 34(2): 188-193.
吴水琴, 毛耀, 刘琼, 等. 一种解决遮挡问题的跟踪方法[J]. 液晶与显示, 2019,34(2):188-193. DOI: 10.3788/YJYXS20193402.0188.
Shui-qin WU, Yao MAO, Qiong LIU, et al. Tracking method for solving occlusion problem[J]. Chinese journal of liquid crystals and displays, 2019, 34(2): 188-193. DOI: 10.3788/YJYXS20193402.0188.
针对图像跟踪领域中因遮挡产生的漂移问题,提出一种基于直方图比的背景加权的Mean Shift算法和Kalman预测滤波器融合的方法。本文方法通过改进目标模型来优化Bhattacharyya系数值,增大目标正常跟踪状态下和遮挡状态下Bhattacharyya系数的差值,提高遮挡判定的有效性,进而提高遮挡时的跟踪性能。通过实验证明,基于直方图比的背景加权的Mean Shift算法和Kalman预测滤波器融合的方法可有效解决遮挡跟踪问题。
Aiming at the drift caused by occlusion in the field of image tracking
a fusion method based on Mean Shift and histogram ratio background weighted algorithm and Kalman predictive filter was proposed. The Bhattacharyya coefficients were optimized by improving the target model. The difference between the Bhattacharyya coefficients in the normal tracking state and in the occlusion state was increased. The effectiveness of occlusion judgement was improved so the performance of tracking in occlusion was improved. The experiments show that this method can effectively solve the occlusion tracking problem.
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