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, 2:52 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+ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.392 | 3.043 | 58.277 | 2.786 | 28.466 | 1.493 | 17.753 | 3.475 | 2.134 | 0.983 | 3.855 | 22.291 |
| 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+ |
| 0.346 | 0.317 | 4.976 | 0.260 | 3.910 | 0.178 | 1.618 | 0.356 | 0.201 | 0.099 | 0.302 | 2.529 |
| 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+ |
| 1.171 | 1.036 | 22.461 | 0.900 | 12.377 | 0.720 | 4.583 | 1.234 | 0.218 | 0.330 | 2.261 | 5.260 |
| 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+ |
| 94.919 | 95.209 | 49.264 | 95.482 | 71.628 | 96.824 | 80.509 | 94.951 | 94.430 | 97.784 | 93.438 | 74.954 |
| EPE total |
Fl total |
1px total |
|---|---|---|
| 2.046 | 7.265 | 17.398 |
| Corruption | EPE | Fl | 1px |
|---|---|---|---|
| Brightness | 0.180 | 0.479 | 1.987 |
| Contrast | 0.298 | 0.746 | 2.968 |
| Defocus Blur | 0.236 | 0.422 | 2.172 |
| Elastic Transform | 0.791 | 1.487 | 24.976 |
| Fog | 0.454 | 3.676 | 7.670 |
| Frost | 6.278 | 19.129 | 28.315 |
| Gaussian Blur | 0.256 | 0.485 | 2.419 |
| Gaussian Noise | 1.483 | 4.121 | 11.301 |
| Glass Blur | 0.321 | 0.610 | 2.633 |
| Impulse Noise | 2.628 | 9.055 | 21.610 |
| JPEG Compression | 5.852 | 16.993 | 37.795 |
| Motion Blur | 1.120 | 5.927 | 13.679 |
| Pixelate | 2.137 | 6.563 | 52.220 |
| Rain | 1.467 | 7.207 | 20.304 |
| Saturate | 0.168 | 0.352 | 1.693 |
| Shot Noise | 1.367 | 4.161 | 10.680 |
| Snow | 5.038 | 28.314 | 32.581 |
| Spatter | 7.315 | 21.430 | 32.755 |
| Speckle Noise | 1.623 | 5.255 | 13.291 |
| Zoom Blur | 1.909 | 8.887 | 26.910 |
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