Research Article
On the Usage of GPUs for Efficient Motion Estimation in Medical Image Sequences
Table 3
Raw runtimes of the algorithm on the GTX480 system.
| Cubic root of image size | CPU time (ms) | GPU time (with shared memory) (ms) | GPU time (without shared memory) (ms) | GPU time (without L1) (ms) |
| 50 | 671 | 49 | 26 | 49 | 75 | 2379 | 155 | 83 | 155 | 100 | 5788 | 272 | 150 | 265 | 125 | 11338 | 440 | 240 | 435 | 150 | 23714 | 677 | 373 | 671 | 175 | 31369 | 955 | 554 | 942 | 200 | 47914 | 2037 | 1101 | 1999 | 225 | 66870 | 2357 | 1275 | 2312 | 250 | 91610 | 2864 | 1564 | 2823 |
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