AllTracker: Efficient Dense Point Tracking at High Resolution

by lnyanon 6/21/2025, 5:09 PMwith 10 comments

by upghoston 6/21/2025, 9:36 PM

> The utility of optical flow (i.e., the instantaneous velocity of pixels [16]) toward this goal has long been obvious, yet it has remained challenging to upgrade flows into long-range tracks.

This sentence from the paper makes me feel a little bad that I don't understand why this goal is obvious. I am not tracking why we are tracking pixels.

Is this basically a competing technology with YOLO[1] or SAM[2]?

[1]: https://en.m.wikipedia.org/wiki/You_Only_Look_Once

[2]: https://ai.meta.com/sam2/

Edit: added annotations, should've done that initially

by jcimson 6/21/2025, 11:38 PM

Object segmentation and tracking is such a natural and 'automatic' part of our visual perception that it's difficult to intuit how challenging it is to do with software.

by jauntywundrkindon 6/21/2025, 6:50 PM

Crazy slick results. Nicely done team!