Improved Target Tracking Algorithm Based on Particle Filtering
Aiming at the filter problem of target tracking, the important density function and the re-sampling technique of Particle Filter Algorithm are improved in this paper. An approximation of the likelihood function is selected as the important density function. It not only makes the particles locate in the area of high likelihood, but also makes the current measurement value take part in directly. Further more, combined with re-sampling technique of the regular particle filter, the problem of particle degradation and impoverishment can be solved simultaneously. Simulation shows that the tracking accuracy of this new algorithm is increased by 20%-30% compared with the general particle filter algorithms.
target tracking particle filter important density function re-sampling technique
Yanyan Hu Juan Li Changgang Lu
School of Communication EngineeringJilin UniversityChangchun, China Center of Test Science Jilin University Changchun, China
国际会议
哈尔滨
英文
1-4
2011-01-18(万方平台首次上网日期,不代表论文的发表时间)