iQIYI Technical Product Team

Mar 13, 2020 · Artificial Intelligence

How to Detect Video Copyright Infringement with Two‑Stage Frame Matching

This article details a two‑stage video copyright detection pipeline that builds a frame‑level feature library, uses Hessian‑Affine + SIFT and Fisher Vectors for robust feature extraction, applies weighted bipartite graph matching and longest increasing subsequence localization, and achieves an F1‑score of 0.9086 on the CCF 2019 competition dataset.