Papers › Learning Correspondence from the Cycle-Consistency of Time

Learning Correspondence from the Cycle-Consistency of Time

18 Mar 2019CVPR 2019 6arXiv:1903.07593archive 2025-07-28

Xiaolong Wang, Allan Jabri, Alexei A. Efros

We introduce a self-supervised method for learning visual correspondence from unlabeled video. The main idea is to use cycle-consistency in time as free supervisory signal for learning visual representations from scratch. At training time, our model learns a feature map representation to be useful for performing cycle-consistent tracking. At test time, we use the acquired representation to find nearest neighbors across space and time. We demonstrate the generalizability of the representation -- without finetuning -- across a range of visual correspondence tasks, including video object segmentation, keypoint tracking, and optical flow. Our approach outperforms previous self-supervised methods and performs competitively with strongly supervised methods.

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