Research Article

Preservation of Fine Structures in PDE-Based Image Denoising

Figure 5

Ultrasound image in pixels: (a) the original , (b) the restored image obtained by END + RDC, and (c) the corresponding residual, which measures a PSNR of 32.89. For a better visualization, the displayed residual is twice-magnified and shifted, .
750146.fig.005a
(a)
750146.fig.005b
(b)
750146.fig.005c
(c)