Keynote Speaker at International Conference (2014), Keynote/Plenary by Invitation (GSTF, Singapore, 2014)
Image restoration and inverse problem modelling (2014), by Invitation (University of Cambridge, 2014)
Application of computational mathematics and image analysis to monitor disease progression (2013), by Invitation (UoL organisers, 2013)
Advances in Mathematical Imaging (2013), by Invitation (UoL - ITM, 2013)
Variational Models for Image Restoration with Applications in Deformable Registration (2012), by Invitation (University of Cambridge, 2012)
Plenary talk at 4th International Conference on Numerical Algebra and Scientific Computing (2012), Keynote/Plenary by Invitation (NASC12 Organizing Committee, 2012)
Plenary Talk at International Conference on Image Processing Theory, Tools and Applications (2012), Keynote/Plenary by Invitation (IPTA'12 Organizing Committee, 2012)
Plenary Talk at Int Conf on Sci Comput at CUHK (2012), by Invitation (CUHK, 2012)
Plenary Talk at Sci Comput Workshop at Uni of Macau (2011), by Invitation (Uni of Macau, 2011)
Invited Talk at Isaac Newton Institute for Mathematical Sciences (Cambridge), by Invitation (Newton Institute, 2011)
Plenary Talk at ISME 2010, Keynote/Plenary by Invitation (ISME 2010 Organizing Committee, Brighton, UK, 2010)
Plenary Talk at ICSCA 2010, Keynote/Plenary by Invitation (ICSCA 2010 Organizing Committee, Dalian, China, 2010)
Variational Image Models and Fast Algorithms, by Invitation (Warwick Mathematics Institute, Warwick University, 2009)
On Variational Segmentation Models, by Invitation (Institute of Applied Physics and Computational Mathematics, 2009)
On a new selective segmentation model, by Invitation (Institute of Applied Mathematics, Chinese Academy of Sciences, 2009)
On Fast Multilevel Algorithms for Variational Imaging, by Invitation (Dept of Mathematics, National University of Singapore, 2009)
On Fast Multilevel Algorithms For Nonlinear Variational Imaging Models, by Invitation (Comlab, University of Oxford and Ratherford Appleton Lab, 2009)
Fast Multilevel Algorithms For Nonlinear Variational Imaging Models, by Invitation (Dept of Mathematics, University of Graz, Austria, 2009)
Fast Multilevel Algorithms For Nonlinear Variational Imaging Models, by Invitation (Instititue of Applied Physics and Computational Maths, Beijing, 2008)
Fast Multilevel Method for Combined Denoisingand deblurring, by Invitation (organisers, 2008)
On Fast Multilevel Algorithms For Nonlinear VariationalImaging Models, by Invitation (Institute of Computational Maths, Chinese Academy of Sciences, 2008)
Variational image inpainting using high order models and fast algorithms, by Invitation (Dept of Applied Maths, Dalian University of Technology, 2008)
A new algorithm for combined denoising and deblurring , by Invitation (Dept of Mathematics, Lanzhou University, 2008)
On Multiphase Segmentation Models and Fast Multigrid Algorithms, by Invitation (Workshop Organiser, 2008)
On Variational Multiphase Segmentation Models And Fast Multigrid Algorithms, by Invitation (Dept of Mathematics, University of Fudan, China, 2008)
Variational models for automatic image segmentation , by Invitation (Liverpool, 2007)
On fast algorithms for variational models from image processing , by Invitation (University of Sussex, 2007)
Multilevel Methods for the Image Denoising Problem, by Invitation (Chinese University of Hong Kong, 2007)
IMS Workshop on Scientific Computing 2006, Keynote/Plenary by Invitation (Chinese University of Hong Kong, 2006)
Variational Image Restoration and Segmentation Problems: Models and Fast Algorithms, by Invitation (Chu Hai College, Hong Kong, 2006)
International Workshop on Scientific Computing: Models, Algorithms and Applications, Keynote/Plenary by Invitation (University of Hong Kong, 2006)
Fast Multilevel Algorithms for Variational Imaging Models, by Invitation (South China Normal University, 2006)
Optimisation-based multi-level methods for image restoration, by Invitation (Hong Kong Baptist University, 2006)
On multigrid methdods for image restoration, by Invitation (Institute of Applied Mathematics, Chinese Academy of Sciences, 2006)
Linear Algebra and its Applications Workshop, Keynote/Plenary by Invitation (Dept of Applied Mathematics, Dalian University of Technology, 2006)
Fast multilevel methods for image restoration, Keynote/Plenary by Invitation (University of Alberta, Banff - Canada , 2006)
Fast multilevel methods for the image restoration, by Invitation (University of Birmingham, 2006)
Multigrid Methods for an Optimisation Problem from Image Processing, by Invitation (University of Macau, 2006)
Multilevel methods for the ROF variational formulation from image restoration, by Invitation (University of California at Los Angeles (Maths), 2005)
Fast multilevel solvers for a variational formulation from image restoration, by Invitation (Ohio State University, USA (Maths), 2005)
Fast multigrid methods based on domain decomposition, Keynote/Plenary by Invitation (Oslo, Norway, 2005)
On multiscale methods for image processing, by Invitation (Brunel University (Maths), 2005)
Test Function Methods for locating bifurcation parameters, Keynote/Plenary by Invitation (Chinese Academy of Sciences, 2001)