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iQIYI Technical Product Team
iQIYI Technical Product Team
Feb 5, 2021 · Artificial Intelligence

Efficient General‑Purpose Frame Extraction for AI Video Inference Services

The paper presents a unified, high‑performance frame‑extraction framework that dynamically selects CPU or GPU decoding, leverages multithreaded and CUDA‑accelerated pipelines, keeps frames in memory, and achieves up to ten‑fold latency reductions for diverse AI video‑inference tasks.

AI video inferenceCPU OptimizationFFmpeg
0 likes · 14 min read
Efficient General‑Purpose Frame Extraction for AI Video Inference Services
iQIYI Technical Product Team
iQIYI Technical Product Team
Mar 20, 2020 · Artificial Intelligence

Video Copyright Detection Algorithm: Competition Solution Overview

The Hulu Brothers’ competition solution tackles large‑scale video copyright detection by extracting I‑frames, encoding them with ResNet‑18 CNN features, performing approximate nearest‑neighbor search and ORB re‑ranking to match queries to reference videos, then linearly interpolating frame correspondences for precise temporal alignment, achieving high precision, recall and F1 scores.

CNN featuresCompetition SolutionVideo Copyright Detection
0 likes · 15 min read
Video Copyright Detection Algorithm: Competition Solution Overview