Your Health,
Analyzed by Light.

Real-time, contactless Heart Rate and Stress monitoring powered by Arm AI. No wearables needed—just your face and your phone.

Download APK See System Design

Why Ojas?

Contactless Vitals

Measures pulse and HRV remotely using rPPG technology. Accurate detection from 45-200 BPM.

Arm Optimized

Built with Arm Neon intrinsics and KleidiAI for 4x faster signal processing on mobile chips.

Privacy First

100% on-device processing. Your video feed never leaves your phone's secure enclave.

System Architecture

A high-performance pipeline optimized for Arm processors, processing frames at 30FPS with sub-10ms latency.

Ojas System Architecture Diagram

Vision Pipeline

MediaPipe Face Landmarker isolates ROI (Region of Interest) on the cheeks and forehead to extract raw PPG signals.

Native DSP

Custom C++ layer uses Arm Neon Intrinsics to process circular buffers, reducing CPU load by 40%.

AI Refinement

A 1D CNN model running on the Arm NPU (via NNAPI) cleans motion artifacts from the heart rate signal.

Powered by Arm AI

Ojas pushes the boundaries of edge AI efficiency by leveraging specialized hardware acceleration.

Android NNAPI
Arm Neon SIMD
MediaPipe + KleidiAI
TensorFlow Lite