AI‑Driven Video Quality Enhancement and Low‑Bitrate High‑Resolution Techniques at Bilibili
Bilibili’s Cloud Multimedia team uses AI‑driven pipelines to cut bandwidth costs while delivering low‑bitrate, high‑quality video, employing a QoE‑based decision engine, real‑time 4K super‑resolution for game streams, low‑rank reconstruction for narrow‑band HD, data‑driven HDR LUTs, and explores diffusion‑based restoration for legacy content.