Image Matting on AIM-500
9.089SADOmniAlpha
Evaluation Results
| Method | Links | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OmniAlphatraining_mode=RL2025.11 | 9.089 | 0.0105 | 0.0182 | 8.93 | 10.099 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| OmniAlphatraining_mode=SFT2025.11 | 9.245 | 0.0109 | 0.0185 | 9.071 | 10.677 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| AEMatterTraining Dataset=Adobe Composition-1K2023.04 | 14.76 | 11.69 | — | 14.19 | 11.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| FBAMattingTraining Dataset=Adobe Composition-1K2023.04 | 19.43 | 16.37 | — | 18.75 | 12.65 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| MatteformerTraining Dataset=Adobe Composition-1K2023.04 | 26.87 | 29 | — | 26.63 | 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| IndexNetTraining Dataset=Adobe Composition-1K2023.04 | 26.95 | 26.32 | — | 26.25 | 16.41 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| SIMTraining Dataset=Adobe Composition-1K2023.04 | 27.05 | 31.1 | — | 27.08 | 23.68 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| RevealLayerSource=Ours2026.05 | 32.39 | 0.0107 | 0.0195 | 17.78 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 90.48 | |
| SMat2025.11 | 34.3 | 0.0129 | 0.0203 | 13.98 | 31.49 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| GCAMattingTraining Dataset=Adobe Composition-1K2023.04 | 34.78 | 38.93 | — | 35.14 | 25.73 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| DIMTraining Dataset=Adobe Composition-1K2023.04 | 39.97 | 52.83 | — | 40.66 | 28.92 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| Ours2021.07 | 43.92 | 0.0161 | 0.0262 | 43.18 | 33.05 | 30.74 | 31.8 | 94.02 | 134.31 | 86.71 | 26.39 | 24.68 | 148.68 | 54.03 | 62.7 | — | 53.15 | 37.17 | 58.11 | — | |
| MAMSource=CVPR’242026.05 | 47.59 | 0.0168 | 0.029 | 22.32 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 87.75 | |
| AIM2025.11 | 48.09 | 0.0183 | 0.0285 | 21.74 | 47.58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| DIMextra input=ground truth trimap2021.07 | 49.27 | 0.0147 | 0.0293 | 47.1 | 29.3 | 49.27 | 19.51 | 115.42 | 345.33 | 160.09 | 16.41 | 15.1 | 273.96 | 95.6 | 43.06 | — | 34.67 | 17 | 70.83 | — | |
| GFM2021.07 | 52.66 | 0.0213 | 0.0313 | 52.69 | 46.11 | 37.43 | 35.45 | 123.15 | 181.9 | 113.5 | 28.18 | 27.61 | 190.5 | 75.77 | 80.94 | — | 51.42 | 27.87 | 68.9 | — | |
| GFM2025.11 | 52.66 | 0.0213 | 0.0313 | 52.69 | 46.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
| U2NET2021.07 | 83.46 | 0.0348 | 0.0493 | 82.14 | 51.02 | 43.37 | 69.69 | 120.59 | 211.98 | 134.09 | 67.67 | 89.5 | 210.34 | 75.72 | 87.2 | — | 54.64 | 52.24 | 91.04 | — | |
| SAM3Source=arXiv2026.05 | 96.44 | 0.051 | 0.0581 | 15.07 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 85.55 | |
| SAM-HSource=ICCV’232026.05 | 117.13 | 0.0635 | 0.0705 | 25.34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 87.57 | |
| SAM2-LSource=ICLR’252026.05 | 130.06 | 0.072 | 0.079 | 22.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 85.97 | |
| SHM2021.07 | 170.44 | 0.0921 | 0.1012 | 170.67 | 115.29 | 69.41 | 154.56 | 204.67 | 329.9 | 229.71 | 174.65 | 141.49 | 333.24 | 157.24 | 166.81 | — | 126.04 | 97.31 | 170.97 | — | |
| LF2021.07 | 191.74 | 0.0667 | 0.113 | 181.26 | 63.51 | 78.13 | 177.98 | 220.22 | 331.34 | 243.18 | 167.9 | 131.96 | 276.13 | 228.94 | 249.7 | — | 224.5 | 287.4 | 223.79 | — | |
| HATT2021.07 | 479.17 | 0.27 | 0.2806 | 473.98 | 238.63 | 114.23 | 509.75 | 338.11 | 270.07 | 372.64 | 579.96 | 484.85 | 264.35 | 433.96 | 299.19 | — | 447.01 | 401.73 | 415.86 | — |