[HA_TRONG_NGUYEN] Selected Work · 5 projects
A small set of AI products I have built end-to-end - from research prototypes to deployed services.
EdTech AI platform with 5 modules: OCR, Grading, Evidence Analysis, RAG, and Quiz Generation. RAG system with Milvus vector database for semantic search; automated grading with rubric parsing. Deployed as production Docker service with Next.js frontend integration.
Full-stack AI educational platform with RAG chatbot, multi-agent grading, and OCR document processing. LLM agent workflows via LangGraph for performance analysis, lesson planning, and quiz generation. GPU-accelerated OCR pipeline with PaddleOCR.
Backend API integrating SwingNet AI and MediaPipe Pose for golf swing recognition (8 phases, 93% accuracy). Automated scoring (0–10) with coaching feedback and corrective drill recommendations. Deployed on Hugging Face Spaces.
Led a 3-member team to build OCR-based product information extraction for packaging inspection with 97% accuracy. First Prize in university competition, published at SOICT 2025 (Springer CCIS).
ResNet-Transformer architecture for Vietnamese text recognition, achieving 95% accuracy on VinAI dataset.