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1. CoTracker: It is Better to Track Together PR-455 Hyeongmin Lee Twelve Labs

2. 2023.7.14 공개 Meta AI arXiv (NeurIPS Format)

3. Somoothness Constraint [PR-302]

4. Somoothness Constraint [PR-302]

5. Optical Flow + Tracking “Tracking Together”

6. Notations Data Input Output

7. Features Image Features Track Features ⇒ properties of each track point ⇒ (Like RAFT)

8. Correlation Feature

9. Tokens

10. Initialization Windowed Inference

11. Other Details Grid-Time Factorization ⇒ Point Sampling

12. Experiments

13. Experiments

14. Experiments

15. “Alignment” Conclusion Struggling to break down the barrier between video understanding and pixel correspondence, but it's still not easy.

PR-455: CoTracker: It is Better to Track Together