[1] [1] DRUMMOND T，CIPOLLA R. Real-time Visual Tracking of Complex Structures [J]. IEEE Transactions on Pattern Analysis and Machine Intelligence (S0162-8828)，2002，4(7)：932-946.

[2] [2] COMANICIU D，RAMESH V，MEER P. Kernel-Based Object Tracking [J]. IEEE Transactions on Pattern Analysis and Machine Intelligence (S0162-8828)，2003，25(5)：564-577.

[3] [3] COLLINS R T. Mean-shift Blob Tracking through Scale Space [C]//Computer Vision and Pattern Recognition，Monona Terrace Convention Center，Madison，Wisconsin，June 18-20，2003. Los Alamitos：IEEE CS，2003，2：234-240.

[4] [4] LIU T L，CHEN H T. Real-time tracking using trust-region methods [J]. IEEE Transactions on Pattern Analysis and Machine Intelligence (S0162-8828)，2004，26(3)：397-402.

[5] [5] ZIVKOVIC Z，KROSE B. An EM-like algorithm for color-histogram-based object tracking [C]//Computer Vision and Pattern Recognition，Washington D C，June 27 - July 2，2004. Los Alamitos：IEEE CS，2004：798-803.

[6] [6] WANG Jue，THIESSON B，XU Ying-qing，et al. Image and video segmentation by anisotropic mean shift [C]//European Conference on Computer Vision，Prague，Czech Republic，May 2004. Berlin：Springer，2004：238-249.

[7] [7] YILMAZ A. Object Tracking by Asymmetric Kernel Mean Shift with Automatic Scale and Orientation Selection [C]//Computer Vision and Pattern Recognition，Minneapolis，June 17-22，2007. Los Alamitos：IEEE CS，2007：1-6.

[8] [8] LEE SH，KANG M G. Motion tracking based on area and level set weighted centroid shifting [J]. IEEE Transactions on Computer Vision (S0920-5691)，2010，4：73-84.

[9] [9] CHEN Q，SUN Q S，HENG P A，et al. Two-Stage Object Tracking Method Based on Kernel and Active Contour [J]. IEEE Transactions on Circuits and Systems for Video Technology (S1051-8215)，2010，20(4)：605-609.

[10] [10] Caselles V，Catté F，Coll T，et al. A geometric model for active contours in image processing [J]. Numerische Mathematik， 1993，66：1-31.

[11] [11] Caselles V，Kimmel R，Sapiro G. On geodesic active contours [J]. IEEE Transactions on Computer Vision (S0920-5691)， 1997，1：61-79.