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ipsum2 14 hours ago

Using optical flow for point tracking is obvious, not that the goal of tracking pixels is obvious.

Regarding your actual question, there's many use cases.

- Tracking players or balls in sports

- Surveillance

upghost 5 hours ago | parent [-]

Thanks, ok. I think that was this missing piece for me -- we are not just tracking points/pixels but related points/pixels that taken together constitute an entity or identity. Yes I can see how that would be quite useful.