Tencent Cloud Object Storage Content Security: Comprehensive Multi-Modal Content Moderation Solution

This article introduces Tencent Cloud Object Storage (COS) Content Security, a comprehensive multi-modal content moderation service developed by Tencent Cloud in collaboration with Tencent YouTu Lab and Tencent Security Tianyu Content Security Team. The service provides intelligent content review for images, videos, audio, and text to help users effectively identify prohibited content such as pornography, violence, illegal activities, and other violations, thereby mitigating operational risks.

The service leverages Tencent YouTu Lab's advanced recognition technology, which achieved first place in the ICDAR 2019 "Scanned Receipts OCR and Information Extraction" competition with a 97.67% Hmean score. Content Security supports various review types including image review using cutting-edge image recognition algorithms, video review through frame extraction and image analysis, audio review using advanced speech recognition (ASR) engines to detect violations including explicit content, and text review employing natural language processing algorithms with extensive sensitive keyword libraries.

Key advantages include rapid centralized cleaning with one-click task initiation, professional strategy deployment supporting hundreds of violation types across multiple data formats, automatic handling of violating content with configurable callback notifications, and visual tracking and query capabilities for easy problem identification. The service is particularly suited for social platforms, online education, e-commerce platforms, and gaming platforms, addressing their specific content moderation needs and regulatory requirements.

The article emphasizes Tencent Cloud's commitment to social responsibility through the "Net Purification Action," leveraging 20 years of accumulated experience to help cloud users solve security challenges and contribute to creating a clean network environment.