: A unique identifier for the video source on the Bilibili platform.
The string 190729_1802_720P_4000K_98623782.mp4 encodes specific metadata about the video's origin and quality: 190729_1802_720P_4000K_98623782.mp4
This filename follows the naming convention used in the dataset, which was introduced in the paper "Towards Real-World Video Super-Resolution: A Large-scale Benchmark and a Novel Model" (also known as the BSR dataset) [1, 2]. : A unique identifier for the video source