How AI Restores 100‑Year‑Old Beijing Footage to 4K: Techniques and Insights

A Chinese netizen used AI to colorize, upscale, and increase the frame rate of 1920 Beijing footage, sparking massive online interest, while the article explains the underlying AI interpolation methods, Gigapixel AI's role, and the technical challenges of restoring century‑old video.

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How AI Restores 100‑Year‑Old Beijing Footage to 4K: Techniques and Insights