79 citations · 144 across the 25 of their papers we have counts for
5 papers · 1 filter
A Two-stage Classification Method for High-dimensional Data and Point Clouds
Xiaohao Cai, Raymond Chan, Xiaoyu Xie +1
High-dimensional data classification is a fundamental task in machine learning and imaging science. In this paper, we propose a two-stage multiphase semi-supervised classification…
Linkage between piecewise constant Mumford-Shah model and ROF model and its virtue in image segmentation
Xiaohao Cai, Raymond Chan, Carola-Bibiane Schonlieb +2
The piecewise constant Mumford-Shah (PCMS) model and the Rudin-Osher-Fatemi (ROF) model are two important variational models in image segmentation and image restoration, respective…
Restoration of Manifold-Valued Images by Half-Quadratic Minimization
Ronny Bergmann, Raymond H. Chan, Ralf Hielscher +2
The paper addresses the generalization of the half-quadratic minimization method for the restoration of images having values in a complete Riemannian manifold. We recall the half-q…
A FEAST Algorithm with oblique projection for generalized eigenvalue problems
Guojian Yin, Raymond H. Chan, Man-Chung Yeung
The contour-integral based eigensolvers are the recent efforts for computing the eigenvalues inside a given region in the complex plane. The best-known members are the Sakurai-Sugi…
Vessel Segmentation in Medical Imaging Using a Tight-Frame Based Algorithm
Xiaohao Cai, Raymond Chan, Serena Morigi +1
Tight-frame, a generalization of orthogonal wavelets, has been used successfully in various problems in image processing, including inpainting, impulse noise removal, super-resolut…