Alibaba Cloud Big Data AI Platform
Apr 22, 2026 · Artificial Intelligence
How to Build an End‑to‑End Hand‑Video to VLA Data Pipeline on Alibaba Cloud PAI with Data‑Juicer
This article details a step‑by‑step, distributed pipeline built on Alibaba Cloud PAI using Data‑Juicer and Ray that transforms raw egocentric hand videos into LeRobot v2.0‑compatible Vision‑Language‑Action (VLA) training data, covering video splitting, frame extraction, camera calibration, 3D hand reconstruction, pose estimation, action captioning, and export, with code snippets, performance numbers, and references.
Data-JuicerDistributed ComputingLerobot
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