low-rank loss

Bilibili Tech

Sep 9, 2022 · Artificial Intelligence

Visual Lossless Deep Learning Pre‑processing for Video Transcoding Using DCT‑Based Low‑Rank Loss and a Lightweight Model

A visual‑lossless deep‑learning pre‑processor that employs a DCT‑based low‑rank loss and an ultra‑lightweight CPU‑friendly model achieves up to 20% bitrate reduction for 1080p videos while preserving high‑frequency details, enabling real‑time transcoding and bandwidth savings for popular content on Bilibili.