Current Research Interests

Deep Learning Theory, Bayesian Nonparametrics, Machine Learning applications

 

 

Selected Publications

• Huang, W., Du, W., Xu, R. Y. D., On the Neural Tangent Kernel of Deep Networks with Orthogonal Initialization, International Joint Conference on Artificial Intelligence, International Joint Conference on Artificial Intelligence (IJCAI 2021)
• Jiang S., Li K, Xu, R.Y.D., (2020) Magnitude Bounded Matrix Factorisation for Recommender Systems, accepted May 2020, IEEE Transactions on Knowledge and Data Engineering
• Jiang S., Li K, Xu, R.Y.D., (2019) Relative Pairwise Relationship Constrained Non-negative Matrix Factorisation, Vol. 31, No. 8, pp.1595 – 1609, IEEE Transactions on Knowledge and Data Engineering
• Bargi, A., Xu, R.Y.D. & Piccardi, M., (2018) AdOn HDP-HMM: An Adaptive Online Model for Segmentation and Classification of Sequential Data, 29 (9), pp. 3953 – 3968, IEEE Transactions on Neural Networks and Learning Systems
• Fan, X., Xu, R.Y.D., Cao, L. & Song. Y., (2017), Learning Hidden Structures with Relational Models by Adequately Involving Rich Information in a Network. Vol 47(3), pp. 589 – 599, IEEE Transaction on Cybernetics
• Qiao, M., Xu, R.Y.D., Bian, W. & Tao, D. (2016), 'Fast sampling for time-varying Determinantal Point Processes', vol. 11, no. 1., ACM Transactions on Knowledge Discovery from Data
• Fan., X, Xu., R. Y. D, Cao., L (2016), Copula Mixed-Membership Stochastic Blockmodel, International Joint Conference on Artificial Intelligence, International Joint Conference on Artificial Intelligence (IJCAI 2016)
• Kemp, M. & Xu, R.Y.D. (2015), 'Geometrically-constrained balloon fitting for multiple connected ellipses', vol. 48, no. 7, pp. 2198-2208. Pattern Recognition
• Fan, X., Cao, L. & Xu, R.Y.D. (2015), 'Dynamic Infinite Mixed-Membership Stochastic Blockmodel', Vol. 26, Issue 9, pp. 2072 - 2085, IEEE Transactions on Neural Networks and Learning Systems IF 8.793
• Bargi., A, Xu., R. Y. D, Ghahramani Z, Piccardi., M (2014), A non-parametric conditional factor regression model for high-dimensional input and response, Seventeenth International Conference on Artificial Intelligence and Statistics (AISTAT 2014), pp.77-85
• Xu, R.Y.D. & Kemp, M. (2010), 'Fitting Multiple Connected Ellipses To An Image Silhouette Hierarchically', vol. 19, no. 7, pp. 1673-1682, IEEE Transactions on Image Processing