[2] [2] BAR-SHALOM Y, FORTMANN T E. Tracking and Data Association [M]. New York: Academic Press, 1988.

[4] [4] DAVID L H, JAMES L. Handbook of Multisensor Data Fusion: 2nd edition [M]. New York: CRC Press, 2008.

[5] [5] Mahler R P S. Statistical Multisource Multitarget Information Fusion [M]. Boston: Artech House Publishers, 2007.

[6] [6] MAHLER R, ZAJIC T. Multitarget filtering using a multitarget first-order moment statistic [J]. Proceedings of SPIE(S0277-786X), 2001, 4380(2001): 184-195.

[7] [7] MAHLER R. Multitarget Bayes filtering via first-order multitarget moments [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2003, 39(4): 1152-1178.

[8] [8] ZAJIC T, MAHLER R. Particle-systems implementation of the PHD multi-target tracking filter [J]. Proceedings of SPIE(S0277-786X), 2003, 5096: 291-299.

[9] [9] VO B N, SINGH S, DOUEET A. Sequential Monte Carlo methods for multi-target filtering with random finite sets [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2005, 41(4): 1224-1245.

[10] [10] VO B N, MA W. The Gaussian mixture probability hypothesis density filter [J]. IEEE Transactions on Signal Processing(S1053-587X), 2006, 54(11): 4091-4104.

[11] [11] CLARK D, BELL J. Convergence results for the particle PHD filter [J]. IEEE Transactions on Signal Processing(S1053-587X), 2006, 54(7): 2652-2661.

[12] [12] ARULAMPALAM M S, MASKELL S, GORDON N, et al. A tutorial on particle filters for online nonlinear/non-Gaussian Bayesian tracking [J]. IEEE Transactions on Signal Processing(S1053-587X), 2002, 50(2): 174-188.

[13] [13] VO B T. Random finite sets in multi-object filtering [D]. Perth: University of Western Australia, 2008.

[14] [14] CLARK D E, BELL J. Multi-target state estimation and track continuity for the particle PHD filter [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2007, 43(4): 1441-1453.

[15] [15] TANG X, WEI P. Multi-target state extraction for the particle probability hypothesis density filter [J]. IET Radar, Sonar & Navigation(S1751-8784), 2011, 5(8): 877-883.

[16] [16] LIU W, HAN C, LIAN F, et al. Multitarget state extraction for the PHD filter using MCMC approach [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2010, 46(2): 864-883.

[17] [17] NADARAJAH N, KIRUBARAJAN T, LANG T, et al. Multitarget tracking using probability hypothesis density smoothing [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2011, 47(4): 2344-2360.

[18] [18] PUNITHAKUMAR K, KIRUBARAJAN T, SINHA A. Multiple-model probability hypothesis density filter for tracking maneuvering targets [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2008, 44(1): 87-98.

[19] [19] PASHA S A, VO B N, HOANG D T, et al. A Gaussian mixture PHD filter for Jump Markov system models [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2009, 45(3): 919-936.

[20] [20] WHITELEY N, SINGH S, GODSILL S. Auxiliary particle implementation of probability hypothesis density filter [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2010, 46(3): 1437-1454.

[21] [21] MAHLER R. PHD filters of higher order in target number [J]. IEEE Transactions Aerospace Electronic Systems(S0018-9251), 2007, 43(4): 1523-1543.

[22] [22] GEORGESCU R, WILLETT P. The multiple model CPHD tracker [J]. IEEE Transactions on Signal Processing(S1053-587X), 2012, 60(4): 1741-1751.

[23] [23] MACAGNANO D, FREITAS A G T. Adaptive gating for multitarget tracking with Gaussian mixture filters [J]. IEEE Transactions on Signal Processing(S1053-587X), 2012, 60(3): 1533-1538.

[24] [24] PANTA K, VO B N, SINGH S. Novel data association schemes for the probability hypothesis density filter [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2007, 43(2): 556-570.

[25] [25] PANTA K, CLARK D E, VO B N. Data association and track management for the Gaussian mixture probability hypothesis density filter [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2009, 45(3): 1003-1016.

[26] [26] POLLARD E, PANNETIER B, ROMBAUT M. Hybrid algorithms for multitarget tracking using MHT and GM-CPHD [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2011, 47(2): 832-847.

[27] [27] LIAN F, HAN C, LIU W. Estimating unknown clutter intensity for PHD filter [J]. IEEE Transactions on Aerospace and Electronic Systems(S0018-9251), 2010, 46(4): 2066-2078.

[28] [28] MAHLER R, VO B T, VO B N. CPHD filtering with unknown clutter rate and detection profile [J]. IEEE Transactions on Signal Processing(S1053-587X), 2011, 59(8): 3497-3513.