Projects

Master's thesis: multimodal AI virtual try-on combining OOTDiffusion+LoRA generation, YOLO12n-LC classification, and DeepSeek LLM conversational control. Completed 6 months early. Published at IVCNZ 2025.

Full-stack IoT smart manufacturing platform for garment factories. Spring Cloud microservices + Android shop-floor terminals + Vue.js dashboards. Deployed across 10+ factory sites, led 6-person team.

Android-led enterprise IM evolving from standalone tool to multi-platform system (Android/Web/PC). 5,000 DAU, sub-200ms latency, 500K+ daily messages across 5 subsystems. Migrated from legacy C++ to cloud IM, eliminating 90%+ defects. 10-year lifecycle.

IoT device management platform for smart switches and gateways. Android app for device discovery/binding/control, embedded Linux gateway firmware handling Zigbee/WiFi protocols, Spring Cloud backend for registration, grouping, and remote monitoring. 7-year product line.

Full-stack live streaming commerce platform: Android client with custom C++ streaming core, ASP.NET web admin, real-time WebSocket chat. Multi-bitrate adaptive streaming (360p–1080p), 1000+ peak concurrent viewers, 8-person team, 3-year product cycle.

Offline-first Android GIS app for forest rangers working in zero-signal areas. Offline map tiles, GPS trajectory recording, GIS layer annotation, and fire/pest/incident reporting with deferred sync when connectivity returns.

Multi-terminal visitation platform for high-security scenarios (prisons, hospital ICU/NICU). Admin booking system, face recognition terminals with liveness detection, visitor WeChat mini-program, and WebRTC audio-video sessions.

24/7 smart self-service library cabinet for schools. Android control cabinet drives electromagnetic locks, UV-C disinfection, and sensors via UART/RS485. User app supports face/QR auth for <3s borrowing. Zero book loss across multiple school deployments.

Android cryptocurrency trading app supporting real-time market data, token search, exchange, and recharge flows. WebSocket real-time feeds, encrypted local storage, MVVM + Clean Architecture. Banking-style reliability for sensitive financial actions.

Smart power platform for factories and buildings: onboard gateways, switches, and meters; monitor per-load electrical parameters; remote control and alarm policies. 15% energy saving, sub-second alarm, 99.9% data collection rate.

Intelligent service robot for exhibitions and malls. Voice interaction (ASR/TTS), face recognition, autonomous SLAM navigation with centimeter-level precision. Multi-modal interaction and 7x24 continuous operation.

Large-scale digital signage platform with management console and Android screen clients. MQTT broadcast for campaign task distribution, device grouping, scheduled playback, and remote publishing for elevator, in-store, and public displays.

End-to-end AI platform for image classification: category management, data annotation, model training (YOLOv4/ResNet/MobileNetV3), evaluation with release-gate criteria, and inference serving. Designed as reusable workflow for multiple visual classification domains.

Predictive maintenance AI: SparkNet + Random Forest models analyze equipment aging trends and predict next maintenance windows. Feature engineering on intervals, fault frequency, and usage intensity with multi-model comparison.

High-secrecy banknote paper mill on-site integration. Air-gapped environment with no internet access — offline laptops for data format analysis, in-plant testing, and external development cycles. Each site visit required ~1 week advance approval.

Customer-site vehicle weigh-in system: read stable weight from entrance scales, raise overload warnings, and interlock with barrier/signal hardware. Serial/device integration with Delphi under field constraints.

Enterprise patent document management: .NET Framework 2.0 Windows desktop app with Lucene.NET 2.9 full-text search. 10,000+ patent records, Excel batch processing, sub-2s search response for 50+ daily research users.

Smart face recognition attendance system for schools with real-time parent notifications. 99%+ recognition accuracy, sub-second response, liveness detection, deployed across multiple schools.

Gateway-centric breaker control platform: non-networked circuit breakers connect via RS232 serial bus to Android gateway. Telemetry collection, remote open/close control, local alerting, and cloud reporting for multi-site monitoring.