International Journal of Biomedical Imaging / 2011 / Article / Tab 6

Research Article

True 4D Image Denoising on the GPU

Table 6

Total processing times for the complete 4D image denoising algorithm for the different implementations. The processing times for the GPU DO 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

7.8 h 3.5 m 133 6.7 m 1.2 m 5.6
2.6 days 26.3 m 144 52.8 m 8.9 m 5.9

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