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Paper detail

Approximation Theory of Wavelet Frame Based Image Restoration

In this paper, we analyze the error estimate of a wavelet frame based image restoration method from degraded and incomplete measurements. We present the error between the underlying original discrete image and the approximate solution which has the minimal $\ell_1$-norm of the canonical wavelet frame coefficients among all possible solutions. Then we further connect the error estimate for the discrete model to the approximation to the underlying function from which the underlying image comes.

preprint2022arXivOpen access
Jian-Feng CaiJae Kyu ChoiJianbin Yang
math.AP
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Jian-Feng CaiJae Kyu ChoiJianbin Yang

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