Zhentu - the Photo Fraud Detector Based on Milvus

This post details the application of Milvus for a photo fraud detection system (Zhentu) by BestPay. It describes the system architecture involving image pre-processing, feature vector extraction using deep learning, normalization, and vector search with Milvus. The deployment section outlines using Milvus cluster on Kubernetes with specific index parameters (IVF_PQ, nlist=2048) and search parameters (IP, nprobe=32) for optimizing performance. Real-world performance metrics are provided, showing sub-second query times for tens of millions of vectors.