Research Article

GPU-Based Block-Wise Nonlocal Means Denoising for 3D Ultrasound Images

Figure 8

Denoised results of the ultrasound carotid artery. (a1)–(a5) the denoised result with the similarity window radius changing from 1 to 5; (b1)–(b5) the corresponding residual images between original image and filtered images.
921303.fig.008a
(a)
921303.fig.008b
(b)