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- W3149642877 abstract "We present an unsupervised optical flow estimation method by proposing an adaptive pyramid sampling in the deep pyramid network. Specifically, in the pyramid downsampling, we propose an Content Aware Pooling (CAP) module, which promotes local feature gathering by avoiding cross region pooling, so that the learned features become more representative. In the pyramid upsampling, we propose an Adaptive Flow Upsampling (AFU) module, where cross edge interpolation can be avoided, producing sharp motion boundaries. Equipped with these two modules, our method achieves the best performance for unsupervised optical flow estimation on multiple leading benchmarks, including MPI-SIntel, KITTI 2012 and KITTI 2015. Particuarlly, we achieve EPE=1.5 on KITTI 2012 and F1=9.67% KITTI 2015, which outperform the previous state-of-the-art methods by 16.7% and 13.1%, respectively." @default.
- W3149642877 created "2021-04-13" @default.
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- W3149642877 date "2021-04-08" @default.
- W3149642877 modified "2023-10-14" @default.
- W3149642877 title "ASFlow: Unsupervised Optical Flow Learning with Adaptive Pyramid Sampling" @default.
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- W3149642877 doi "https://doi.org/10.48550/arxiv.2104.03560" @default.
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