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Oscar C. Au

2 accepted papers

2015

Optimal graph laplacian regularization for natural image denoising

ICASSP 2015accepted

Image denoising is an under-determined problem, and hence it is important to define appropriate image priors for regularization. One recent popular prior is the graph Laplacian regularizer, where a given pixel patch is assumed to be smooth in the graph-signal domain. The strength and direction of th…

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