. Author manuscript; available in PMC: 2016 Aug 1.

Published in final edited form as: Med Image Anal. 2015 May 18;24(1):63–76. doi: 10.1016/j.media.2015.05.002

Table 3.

PSNR (dB) values between a₁ and b̂₁, for standardization of Brainweb phantoms with varying flip angles (°) and noise levels are shown for UPL and Ψ-CLONE. In the noise free case, UPL is better, however the introduction of noise causes UPL results to deteriorate.

	0% Noise		3% Noise
Flip Angle	UPL	Ψ-CLONE	UPL	Ψ-CLONE

15°	37.95	27.95	27.27	26.00
30°	62.66	35.90	28.93	30.96
45°	49.26	37.32	28.88	31.48
60°	46.94	37.67	28.81	31.39
75°	46.08	37.79	28.78	31.52