Spring: L. Mehl, J. Schmalfuss, A. Jahedi, Y. Nalivayko, A. Bruhn — University of Stuttgart
RobustSpring: V. Oei, J. Schmalfuss, L. Mehl, M. Bartsch, S. Agnihotri, M. Keuper, A. Bulling, A. Bruhn — University of Stuttgart, University of Mannheim, MPI for Informatics
March 2, 2026, 10:56 p.m. — Public
V. Bargatin, A. Yakovenko, K. Abud, and D. Vatolin. "FreeFlow: A Bias-free Hierarchical Transformer for Optical Flow Estimation", ECCV 2026.
Code: https://github.com/msu-video-group/freeflow
| 1px total |
1px low-detail |
1px high-detail |
1px matched |
1px unmatched |
1px rigid |
1px non-rigid |
1px not sky |
1px sky |
1px s0-10 |
1px s10-40 |
1px s40+ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.087 | 4.714 | 63.896 | 4.317 | 36.962 | 2.627 | 23.698 | 4.723 | 10.618 | 1.214 | 6.275 | 34.277 |
| EPE total |
EPE low-detail |
EPE high-detail |
EPE matched |
EPE unmatched |
EPE rigid |
EPE non-rigid |
EPE not sky |
EPE sky |
EPE s0-10 |
EPE s10-40 |
EPE s40+ |
| 0.533 | 0.501 | 5.508 | 0.443 | 4.262 | 0.269 | 2.529 | 0.542 | 0.394 | 0.198 | 0.500 | 3.426 |
| Fl total |
Fl low-detail |
Fl high-detail |
Fl matched |
Fl unmatched |
Fl rigid |
Fl non-rigid |
Fl not sky |
Fl sky |
Fl s0-10 |
Fl s10-40 |
Fl s40+ |
| 1.452 | 1.280 | 28.554 | 1.122 | 15.111 | 0.713 | 7.043 | 1.490 | 0.889 | 0.320 | 2.576 | 7.889 |
| WAUC total |
WAUC low-detail |
WAUC high-detail |
WAUC matched |
WAUC unmatched |
WAUC rigid |
WAUC non-rigid |
WAUC not sky |
WAUC sky |
WAUC s0-10 |
WAUC s10-40 |
WAUC s40+ |
| 90.196 | 90.491 | 43.747 | 90.826 | 64.153 | 92.313 | 74.179 | 90.258 | 89.252 | 94.099 | 86.704 | 66.991 |
| EPE total |
Fl total |
1px total |
|---|---|---|
| 2.841 | 9.117 | 19.638 |
| Corruption | EPE | Fl | 1px |
|---|---|---|---|
| Brightness | 0.344 | 0.624 | 3.228 |
| Contrast | 0.698 | 1.553 | 4.932 |
| Defocus Blur | 0.348 | 0.521 | 3.180 |
| Elastic Transform | 0.816 | 2.208 | 24.624 |
| Fog | 0.650 | 5.681 | 9.028 |
| Frost | 7.662 | 21.803 | 32.809 |
| Gaussian Blur | 0.388 | 0.635 | 3.558 |
| Gaussian Noise | 4.082 | 10.181 | 21.390 |
| Glass Blur | 0.408 | 0.762 | 3.648 |
| Impulse Noise | 6.334 | 13.714 | 26.316 |
| JPEG Compression | 5.916 | 17.062 | 38.729 |
| Motion Blur | 1.134 | 5.983 | 14.785 |
| Pixelate | 1.619 | 3.437 | 29.538 |
| Rain | 3.058 | 11.098 | 24.917 |
| Saturate | 0.296 | 0.485 | 2.784 |
| Shot Noise | 3.388 | 9.334 | 21.286 |
| Snow | 5.482 | 29.802 | 35.881 |
| Spatter | 8.797 | 28.700 | 44.120 |
| Speckle Noise | 3.627 | 9.949 | 23.404 |
| Zoom Blur | 1.781 | 8.803 | 24.606 |
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