This tutorial details the creation of an end-to-end streaming robotics learning pipeline using the NVIDIA Cosmos3-DROID dataset. The process involves constructing a metadata graph from dataset files and using HTTP byte-range access with PyArrow to selectively read data. Episodes are converted into state-action trajectories, and video windows are decoded using PyAV/FFmpeg. The system then normalizes observations and actions, builds a PyTorch dataset, and trains a multimodal behavior-cloning policy, which is subsequently evaluated. AI
IMPACT Enables efficient training of robotics policies by optimizing data loading and processing.
RANK_REASON Tutorial on building a data pipeline using existing tools and datasets.
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