Table 2.
Comparison of FastCAT and CVAT by video. This table shows our comparison of the well-known CVAT annotation tool to our new annotation tool FastCAT in terms of annotation speed. Videos 1 and 2 are open source and annotated. Videos 3–10 are from the University Hospital Würzburg
| Speed (SPF) | Total time (min) | Video information | |||||
|---|---|---|---|---|---|---|---|
| CVAT | FastCat | CVAT | FastCat | Frames | Polyps | Framesize | |
| Video 1 | 3.79 | 1.75 | 23.43 | 10.82 | 371 | 1 | 384x288 |
| Video 2 | 4.39 | 2.49 | 32.85 | 18.63 | 449 | 1 | 384x288 |
| Video 3 | 2.82 | 1.42 | 60.11 | 30.27 | 1279 | 1 | 898x720 |
| Video 4 | 4.09 | 2.00 | 56.85 | 27.80 | 834 | 1 | 898x720 |
| Video 5 | 4.57 | 2.39 | 53.24 | 27.84 | 699 | 2 | 898x720 |
| Video 6 | 1.66 | 0.61 | 18.01 | 6.62 | 651 | 1 | 898x720 |
| Video 7 | 1.70 | 0.64 | 11.22 | 4.22 | 396 | 1 | 898x720 |
| Video 8 | 1.55 | 0.76 | 34.13 | 16.73 | 1321 | 2 | 898x720 |
| Video 9 | 1.87 | 0.88 | 34.91 | 16.43 | 1120 | 1 | 898x720 |
| Video 10 | 2.74 | 0.92 | 77.68 | 26.08 | 1701 | 4 | 898x720 |
| Mean | 2.92 | 1.39 | 40.24 | 18.54 | 882 | 1.5 | 795x633 |