Motion and Tracking2026-11-11computer‑visionmotionoptical‑flowlucas‑kanadeharris‑cornersstructure‑tensoraperture‑problemchange‑detectiontrackingbayesian‑filteringkalman‑filterparticle‑filtercomp9517agenticWhat moved, and where it will be next: change detection, brightness constancy and the aperture problem, Harris corners and Lucas--Kanade flow, then tracking as Bayesian filtering with the Kalman and particle filters.