Fortune 500 Indoor AI Platform
End-to-end AI platform for a Fortune 500 retail client: phone-sensor-only indoor positioning across >10,000 m² stores, no cameras, no human-in-the-loop. Composed of autonomous agents (sensor fusion, posture classification, trajectory prediction) shipped via Docker + CI/CD.
AI PlatformSensor FusionProductionDockerFortune 500
Fortune 500 Smartwatch Gesture AI
Greenfield AI development for a Fortune 500 client's smartwatch gesture recognition. Replaced a failing classical pipeline with deep learning — 95%+ accuracy across 8 gesture classes, 50%+ inference-latency reduction through model compression for real-time on-device deployment.
Deep LearningOn-deviceModel CompressionFortune 500
Privacy-preserving facial expression recognition using millimetre-wave radar. No camera required — captures subtle facial muscle movements from RF reflections. Published at MobiCom 2023 (CORE A*).
mmWaveDeep LearningSignal ProcessingPyTorch
Contact-free blood pressure monitoring using commodity mmWave radar. Estimates systolic and diastolic BP from pulse wave velocity measured via radar reflections. Published at SenSys 2022 (CORE A*).
mmWaveHealth SensingSignal ProcessingPython
On-device deep learning for mobile devices: ChainSGD-Reduce for distributed training across a chain of smartphones, plus a release-and-inhibit control mechanism for resource-efficient inference. Published at IEEE TMC, IEEE/ACM ToN, SenSys, and IPSN.
On-device MLDistributed LearningResource EfficiencyAndroid
Real-time phone call quality enhancement using the smartphone's built-in accelerometer. Detects call conditions and adapts audio processing without extra hardware. Published at UbiComp 2025 (CORE A*).
Signal ProcessingAndroidAudioAccelerometer