Fig. 6
Example of cosmic string simulation denoising with a high noise level, using the learned dictionary from Fig. 5 and the wavelet algorithm. a) is the source image; b) shows the noisy image with a S/NP of 17.34 dB; c) shows the wavelet denoised version with a S/NP of 30.19 dB; and d) shows the learned dictionary denoised version with a S/NP of 31.04 dB.
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