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. Author manuscript; available in PMC: 2013 Jul 15.
Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2013 May 1;30(5):871–877. doi: 10.1364/JOSAA.30.000871

Fig. 7.

Fig. 7

Denoising by FBsPCA, PTsPCA, and PCA. n = 104 and L = 55 pixels. (a) clean image. (b) noisy image (SNR = (1/20)). (c) FBsPCA denoised. (d) PTsPCA denoised. (e) PCA denoised.