Assistant professor, College of Information Science and Technology, Beijing Normal University.
2003 B.S degree of Mathematics, Wuhan University.
2005 M.S degree of Mathematics, Wuhan University.
2008 Ph.D. degree from Institute of Automation, Chinese Academy of Sciences.
Machine learning, image processing and virtual reality.
 L. Chang, M. Q. Zhou, Y. J. Han, X. Deng. Face sketch synthesis via sparse representation. Proceedings of the 20th International Conference on Pattern Recognition (ICPR), pp. 2146-2149, 2010.
 L. Chang, X. Deng, S. W. Zheng, Y. Q. Wang. Scaling up kernel grower clustering method for large data set by using Core-Sets. Acta Automatica Sinica, vol. 34, no. 3, 2008.
 L. Chang. The geometric relationship between Core Vector Machine and Support Vector Machine. Proceedings of the 7th World Congress on Intelligent Control and Automation(WCICA), pp. 4439 – 4443,2008.
 L. Chang, H. Qiao, A. H. Wan, J. Keane. An improved Gilbert algorithm with rapid convergence. Proceedings of the 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp. 3861-3866, 2006.
 L. Chang, J. Lu, X. Deng. A new two-dimensional discrete chaotic system with rational fraction and its tracking and synchronization. Chaos, Solitons & Fractals, vol. 24, pp.1135-1143, 2005.