Xue-cheng Tai and Chang-hui Yao
Image Segmentation By Piecewise Constant Mumford-Shah Model Without Estimating The Constants.
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Yao CH
Finite element approximation for TV regularization
INT J NUMER ANAL MET, 5, 3(2008), pp. 516-526
Multiphase image segmentation via Modica-Mortola phase transition
SIAM J APPL MATH, 67, 5() Pages: 1213-1232