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AIarty Matting achieves the lowest SAD and gradient error, indicating superior edge fidelity. However, it is 1.8× slower than MODNet. | Method | Mean score (1–5) | Std Dev | |-------------------|------------------|---------| | MODNet | 2.9 | 0.8 | | Adobe Photoshop | 3.7 | 0.6 | | U²-Net | 3.9 | 0.5 | | AIarty Matting | 4.5 | 0.4 |

[3] Sengupta, S., et al. (2020). Background matting v2. CVPR . aiarty matting

[2] Ke, Z., et al. (2020). MODNet: Real-time trimap-free portrait matting via objective decomposition. AAAI . AIarty Matting achieves the lowest SAD and gradient

Single GPU, version v1.2 of AIarty Matting, no trimap support (AIarty does not accept trimaps). Future work should test on video sequences and VR applications. References [1] Qin, X., et al. (2020). U²-Net: Going deeper with nested U-structure for salient object detection. Pattern Recognition , 106, 107404. (2020)