task_categories:feature-extraction license:mit size_categories:100K<n<1M modality:video arxiv:2403.09227 arxiv:2506.09985 arxiv:2603.14482 region:us behavior-1k behavior-2025 robotics embodied-ai imitation-learning world models demonstrations video v-jepa v-jepa-2 vjepa2 vit-g precomputed-features embeddings