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. Author manuscript; available in PMC: 2021 Dec 15.
Published in final edited form as: IEEE Trans Med Imaging. 2021 Aug 31;40(9):2295–2305. doi: 10.1109/TMI.2021.3076810

Fig. 4.

Fig. 4.

The singular value spectra of the covariance matrices corresponding to the original noisy images and the images denoised by use of the linear denoising networks with depths of {3, 7, 11, 15} were demonstrated.