Alok Upadhyay

Multi-factor authenticaiton

Biometric authentication

Multi-signal fusion on devices

Multi-modal Learning

Computer Vision

Speaker diariziation

Bluetooth based presence detection

Vision Language Models (VLMs)

Security & Privacy

Recommendation Systems

Retrieval & Ranking

Implicit and explicit ground-truthing methods for person recognition

Graph Neural Networks (GNNs)

Convolutional Neural Networks (CNNs)

Long Short Term Memory (LSTM) / Bi-LSTM