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中文摘要：
将均值漂移算法和粒子滤波算法分别做出改进后进行有效结合．在非遮挡和不严重遮挡情况下，采用改进的均值漂移算法，在严重遮挡情况下，采用改进的粒子滤波算法，并在遮挡结束后验证正确的跟踪是否得到恢复．提出有效的分块检测遮挡算法，遮挡期间颜色模板不更新．实验结果表明该算法具有较好的实时性和鲁棒性，能有效实现复杂场景下的目标跟踪．
英文摘要：
Having been improved , the mean shift algorithm and the particle filtering algorithm are combined effectively. Under the non-occlusion and the occlusion that is not serious the improved mean shift algorithm is adopted while under the serious occlusion the improved particle filtering algorithm is employed. Whether the real tracking is resumed is checked after occlusion. Effective occlusion detection method based on sub-block is proposed and the color template is not updated under occlusion. Experimental results indicate the proposed algorithm is real-time and robust and has good tracking performance under complex background.
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