JtT: Rethinking Point Trajectory Diffusion for Diverse and Rigid Motion from an Image
jtt.gabrijel-boduljak.com
JtT is a simple diffusion transformer that forecasts diverse, physically plausible point trajectories for arbitrary query points from a single image, without trajectory VAEs, fixed grids, or rigidity priors.
关键词：JtT, point trajectory, motion forecasting, diffusion, rectified flow, rigid motion, Kubric, world model