PP-Matting: High-Accuracy Natural Image Matting Reference Chen G, Liu Y, Wang J, et al. PP-Matting: High-Accuracy Natural Image Matting[J]. arXiv preprint arXiv:2204.09433, 2022. Performance Composition-1k Model Backbone Resolution Training Iters SAD $\downarrow$ MSE $\downarrow$ Grad $\downarrow$ Conn $\downarrow$ Links PP-Matting HRNet_W48 512x512 300000 46.22 0.005 22.69 45.40 model Distinctions-646 Model Backbone Resolution Training Iters SAD $\downarrow$ MSE $\downarrow$ Grad $\downarrow$ Conn $\downarrow$ Links PP-Matting HRNet_W48 512x512 300000 40.69 0.009 43.91 40.56 model