NVIDIA released DeepStream 9.1: build multi-camera 3D tracking pipelines from natural-language prompts (MV3DT + AutoMagicCalib)

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NVIDIA released DeepStream 9.1 (their GStreamer-based video analytics SDK). It ships 13 agentic skills for coding agents — you describe a multi-camera pipeline in natural language, and Claude Code / Codex / Cursor handle setup, config, and deployment. The two features worth knowing about: Multi-View 3D Tracking (MV3DT) — tracks the same object across multiple cameras with one globally consistent ID. Each camera back-projects its 2D detections into a shared 3D coordinate sy