發(fā)布時間：2018-09-17 16:38

【摘要】：針對擴(kuò)展目標(biāo)聯(lián)合估計運(yùn)動狀態(tài)和目標(biāo)外形的問題,提出了一種基于星-凸形隨機(jī)超曲面模型的擴(kuò)展目標(biāo)高斯混合概率密度濾波算法。該算法利用星-凸形隨機(jī)超曲面模型對量測的擴(kuò)散程度進(jìn)行建模,同時利用約束對目標(biāo)外形參數(shù)進(jìn)行限制。在高斯混合概率假設(shè)密度的框架下,通過對量測模型下的量測似然、新息等參數(shù)的求解和更新遞推實現(xiàn)擴(kuò)展目標(biāo)的跟蹤。仿真實驗表明,所提算法在保證跟蹤有效性和可行性的同時提高了對擴(kuò)展目標(biāo)運(yùn)動狀態(tài)和目標(biāo)外形的估計精度。
[Abstract]:Aiming at the problem of joint estimation of moving state and shape of extended target, a hybrid probability density filtering algorithm for extended target Gao Si based on star-convex random hypersurface model is proposed. The algorithm uses star-convex random hypersurface model to model the diffusivity of the measurement and uses constraints to limit the target shape parameters. In the framework of Gao Si's mixed probability assumption density, the extended target tracking is realized by solving and updating the parameters of measurement likelihood, innovation and other parameters under the measurement model. Simulation results show that the proposed algorithm not only ensures the effectiveness and feasibility of tracking, but also improves the estimation accuracy of the moving state and shape of the extended target.
【作者單位】： 河南工學(xué)院電子通信工程系;新鄉(xiāng)學(xué)院計算機(jī)與信息工程學(xué)院;
【基金】：河南省高等學(xué)校重點科研項目(14A510025,17B510001)
【分類號】：TN713
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本文編號：2246508