Matrix preconditioning techniques and applications K Chen Cambridge University Press, 2005 | 427 | 2005 |

Automated vessel segmentation using infinite perimeter active contour model with hybrid region information with application to retinal images Y Zhao, L Rada, K Chen, SP Harding, Y Zheng IEEE transactions on medical imaging 34 (9), 1797-1807, 2015 | 232 | 2015 |

Microwave absorbing properties of rare-earth elements substituted W-type barium ferrite W Jing, Z Hong, B Shuxin, C Ke, Z Changrui Journal of magnetism and magnetic materials 312 (2), 310-313, 2007 | 134 | 2007 |

On a class of preconditioning methods for dense linear systems from boundary elements K Chen SIAM Journal on Scientific Computing 20 (2), 684-698, 1998 | 116 | 1998 |

An optimization-based multilevel algorithm for total variation image denoising TF Chan, K Chen Multiscale Modeling & Simulation 5 (2), 615-645, 2006 | 104 | 2006 |

Multigrid algorithm for high order denoising C Brito-Loeza, K Chen SIAM Journal on Imaging Sciences 3 (3), 363-389, 2010 | 91 | 2010 |

Searches for light-and heavy-flavour three-jet resonances in pp collisions at s= 8TeV S Chatrchyan, V Khachatryan, AM Sirunyan, A Tumasyan, W Adam, ... Physics Letters B 730, 193-214, 2014 | 81 | 2014 |

Mathematical explorations with MATLAB K Chen, PJ Giblin, A Irving Cambridge University Press, 1999 | 74 | 1999 |

An analysis of sparse approximate inverse preconditioners for boundary integral equations K Chen SIAM Journal on Matrix Analysis and Applications 22 (4), 1058-1078, 2001 | 71 | 2001 |

Efficient preconditioners for iterative solution of the boundary element equations for the three-dimensional Helmholtz equation K Chen, PJ Harris Applied Numerical Mathematics 36 (4), 475-489, 2001 | 69 | 2001 |

Image selective segmentation under geometrical constraints using an active contour approach N Badshah, K Chen Communications in Computational Physics 7 (4), 759, 2010 | 62 | 2010 |

Discrete wavelet transforms accelerated sparse preconditioners for dense boundary element systems K Chen Electronic Transactions on Numerical Analysis 8, 138-153, 1999 | 62 | 1999 |

Multilevel algorithm for a Poisson noise removal model with total-variation regularization RH Chan, K Chen International Journal of Computer Mathematics 84 (8), 1183-1198, 2007 | 60 | 2007 |

A total fractional-order variation model for image restoration with nonhomogeneous boundary conditions and its numerical solution J Zhang, K Chen SIAM Journal on Imaging Sciences 8 (4), 2487-2518, 2015 | 59 | 2015 |

Cell-free DNA: a neglected source for antibiotic resistance genes spreading from WWTPs Y Zhang, A Li, T Dai, F Li, H Xie, L Chen, D Wen Environmental science & technology 52 (1), 248-257, 2018 | 58 | 2018 |

A ROBUST AFFINE IMAGE REGISTRATION METHOD. N Chumchob, K Chen International Journal of Numerical Analysis & Modeling 6 (2), 2009 | 53 | 2009 |

On high-order denoising models and fast algorithms for vector-valued images C Brito-Loeza, K Chen IEEE Transactions on Image Processing 19 (6), 1518-1527, 2010 | 51 | 2010 |

A variational model with hybrid images data fitting energies for segmentation of images with intensity inhomogeneity H Ali, N Badshah, K Chen, GA Khan Pattern Recognition 51, 27-42, 2016 | 50 | 2016 |

The policy circle K Hardee, I Feranil, J Boezwinkle, B Clark London: Policy working paper series, 2004 | 50 | 2004 |

An improved and accelerated non-linear multigrid method for total-variation denoising J Savage, K Chen International Journal of Computer Mathematics 82 (8), 1001-1015, 2005 | 49 | 2005 |