Computational and Mathematical Methods in Medicine / 2013 / Article / Fig 3

Research Article

Improving Spatial Adaptivity of Nonlocal Means in Low-Dosed CT Imaging Using Pointwise Fractal Dimension

Figure 3

(b) Real LDCT reconstructed image, (a) related SDCT reconstructed images and (c)-(d) reconstructed images from LDCT sinogram using NLMs and the new method.
902143.fig.003a
(a)  Original SDCT image with tube current time product 150 mAs
902143.fig.003b
(b) Original LDCT image with tube current time product 60 mAs
902143.fig.003c
(c) Reconstructed image from (b) using NLMs
902143.fig.003d
(d) Reconstructed image from (b) using PWBCD-NLMs