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. Author manuscript; available in PMC: 2014 Aug 25.
Published in final edited form as: IEEE Trans Biomed Eng. 2013 Jan 10;60(6):1556–1562. doi: 10.1109/TBME.2013.2239293

Fig. 4.

Fig. 4

(a) SNR improvement, (b) RMSE, and (c) SSIM are plotted against input image SNR for computer simulation results, where dotted curves are anisotropic diffusion filter results while dashed ones represent the spectral subtraction method.