International Journal of Biomedical Imaging / 2011 / Article / Tab 5

Research Article

True 4D Image Denoising on the GPU

Table 5

Processing times for filtering with the 11 reconstruction filters of size 11×11×11×11 and calculating the denoised data for the different implementations. The processing times for the GPU do NOT include the time it takes to transfer the data to and from the GPU.

Data size Spatial filtering CPU Spatial filtering GPU GPU speedup FFT filtering CPU FFT filtering GPU GPU speedup

2 7.5 h 3.3 m 136 5.6 min 1.1 min 5.1
2.5 days 23.9 m 150 45 min 8.6 min 5.2

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