Experience
Autonomous Driving Research Intern
NIO(蔚来) (2023.03 - 2024.03)
- Developed novel “Point-Flow-Point” cyclic architecture for 3D point cloud scene flow estimation
- Designed base neural network combining GCN, Point Transformer and cross-attention layers
- Implemented point feature extraction and similarity matching for sparse point cloud scenarios
- Achieved centimeter-level velocity prediction accuracy in real-road conditions
- Produced research paper planned for submission to TOMM journal
- Filed patent application for the proposed technical solution
- Project successfully concluded with all deliverables completed
Tencent Content Moderation Intern
Tencent(腾讯) (2024.03 - 2024.12)
- Developed multimodal content moderation system deployed in production for WeChat Channels
- Implemented three specialized multimodal models (MMBT-SH, Onepeace-SH, Internvl2.5-SH) for different scenarios
- Achieved 98% accuracy for safe content identification and 95% coverage for high/medium risk content
- System processes over 150,000 user uploads daily with 95% interception rate for high-risk samples
- Lightweight MMBT-SH model (200M parameters) enables efficient moderation with limited resources
- Onepeace-SH model enhances cross-modal feature alignment for complex content analysis
- Internvl2.5-SH model combines generative pretraining for detecting implicit violations
- Technology significantly reduced manual review costs while improving moderation efficiency
- Currently deployed across Tencent’s core platforms including WeChat Channels
Multimodal Content Moderation Project
Xinhua News Agency (新华社) (2024.06 - 2025.4)
- Developed multimodal intelligent moderation system for Xinhua’s content review platform
- Implemented specialized models for flag recognition, sensitive symbol detection, and map boundary analysis
- Achieved 97% accuracy for flag/symbol recognition and 82% accuracy for problematic map detection
- System covers 5 types of terrorist symbols (ISIS, Nazi, pirate flags etc.) and 62 national flags
- Designed scene recognition for 4 sensitive scenarios (flag burning, gun violence, etc.)
- Developed boundary analysis for China’s 34 provincial-level regions with 80% completeness threshold
- Technology surpassed commercial solutions and large models in accuracy benchmarks
- Contributed to national network media content security with intelligent moderation solutions
- System currently deployed in Xinhua’s production environment processing thousands of media daily