Bilibili Tech
Jul 1, 2022 · Artificial Intelligence
Quality‑Controlled Scene‑Adaptive Video Transcoding System at Bilibili
Bilibili’s quality‑controlled scene‑adaptive transcoding system automatically splits videos into shot‑level segments, predicts optimal encoding parameters with a deep‑learning model, applies two‑pass VMAF‑targeted encoding and ROI‑aware bitrate allocation, achieving stable visual quality, 99% accuracy, and roughly 15% bitrate reduction.
ROI encodingVMAFdeep learning
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