Using optical flow for point tracking is obvious, not that the *goal* of trackin... | Hacker News

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		ipsum2 8 months ago \| parent \| context \| favorite \| on: AllTracker: Efficient Dense Point Tracking at High... 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 8 months ago [–]

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.

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