Why Robots Can't Learn from Video Alone: The Need for Action Data
chris_j_paxton · x · 2026-08-13
Commenting on a video showing human manipulation skills, Baoyu Li highlighted that robots cannot learn skills solely from video data.
Humans can quickly learn from videos because they already possess relevant "motion/skill primitives." Acquiring these underlying primitives requires actual action data, making visual input alone far from sufficient.
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