Research Article

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

Table 1

Time comparisons of CPU single-thread, CPU multithread and GPU of ultrasound fetus denoising.

Similarity windowStp_S Processing time (s)
CPU single-threadCPU multithreadGPU

21530.08553.8626.66
31657.64703.1351.15
41678.91767.1275.54
51745.82793.6899.11
61739.60769.55177.34