Stress Quantify – AI-Powered HRV Analysis

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Rakesh Jakati
Project Owner

Stress Quantify – AI-Powered HRV Analysis

Expert Rating

n/a
  • Proposal for BGI Nexus 1
  • Funding Request $50,000 USD
  • Funding Pools Beneficial AI Solutions
  • Total 5 Milestones

Overview

You feel stressed, maybe after a tense meeting or rushing through traffic. You remember your smartwatch tracks stress, so you check it, hoping for answers. It shows a score, maybe a graph, but what does it actually mean? Should you rest, breathe, or push through? Instead of clarity, you’re left guessing. Over time, you stop checking, realizing these numbers don’t truly help. Some insights are locked behind subscriptions, and every brand calculates stress differently, making cross-device comparison impossible. Instead of reducing stress, these metrics often add to the confusion, leaving you with more questions than solutions.

Proposal Description

How Our Project Will Contribute To The Growth Of The Decentralized AI Platform

The SkyBrain Stress Platform, enhances decentralized AI by standardizing HRV data across devices and making stress insights universally accessible. Our open-source AI models and HRV standardization tools enable researchers, developers, and health innovators to expand decentralized AI applications in well-being. By contributing to an open ecosystem, we empower global collaboration in AI-driven stress analysis without relying on closed, proprietary systems.

AI services (New or Existing)

CardioSync AI

Type

New AI service

Purpose

Standardizes HRV data across different brands enabling seamless cross-device stress analysis. Uses machine learning for HRV classification and reinforcement learning for personalized stress interventions.

AI inputs

Raw data from various devices (PPG signals timestamped heart rate readings)

AI outputs

Standardized HRV metrics stress level classification and stress management recommendations

Company Name (if applicable)

SkyBrain Neurotech

The core problem we are aiming to solve

Stress is unavoidable, yet most people lack effective ways to understand, assess and manage it. Smartwatches and rings promise stress tracking, but instead of clarity, they offer confusing numbers with no real guidance. Over time, users lose trust in these scores and stop checking altogether.

Even worse, each brand calculates HRV differently, making long-term tracking inconsistent. Switching devices means losing progress. Meanwhile, deeper insights are locked behind paywalls, keeping true well-being out of reach. Without standardized HRV data or AI-driven recommendations, stress tracking remains a fragmented, frustrating experience.

Our specific solution to this problem

The SkyBrain Stress Platform solves the problem by providing AI-powered stress analysis, interventions, and a unified experience.

  1. SkyBrain Stress Platform – A single platform where users can upload, view stress trends, understand triggers, and receive AI-driven guidance tailored to their HRV patterns.

  2. HRV Standardization Across Devices – Our system aligns HRV readings from different wearables, ensuring reliable and comparable insights across brands.

  3. AI-Powered Stress Detection – Advanced AI analyzes HRV fluctuations, time-domain, and frequency-domain features to detect  stress levels.

  4. Personalized Stress Interventions – Using adaptive AI, users receive breathing exercises, movement suggestions, and mindfulness techniques based on their HRV.

  5. Open-Source Contribution – Researchers and developers can build on our HRV standardization and stress AI models.

The SkyBrain Stress Platform shifts stress tracking from passive numbers to proactive well-being solutions, ensuring that users not only measure stress but manage it effectively.

Project details

Stress is a constant part of modern life, affecting focus, performance, and overall well-being. While smartwatches and wearables now offer stress tracking, the experience is fragmented, inconsistent, and lacks actionable guidance. Users receive stress metrics without understanding what they mean or how to respond. Worse, each brand processes HRV differently, making it impossible to track long-term patterns across devices.

The SkyBrain Stress Platform addresses these limitations by standardizing PPG data, applying AI-driven stress classification, and delivering adaptive well-being interventions. Instead of a simple stress score, users gain insights and personalized recommendations—helping them actively manage stress rather than just measure it.

How SkyBrain Transforms Stress Tracking

1. HRV Standardization: The Foundation for Accurate Stress Insights

HRV is one of the most reliable physiological markers of stress, reflecting the balance between the sympathetic (SNS) and parasympathetic (PNS) nervous systems.

2. AI-Powered Stress Analysis: Understanding Stress

Beyond standardizing HRV, SkyBrain classifies stress patterns using AI models trained on multiple HRV features:

  • Time-domain analysis (RMSSD, SDNN)

  • Frequency-domain analysis (LF/HF ratio)

  • Nonlinear HRV features (Entropy measures)

3. Adaptive Stress Management: Personalized AI-Driven Interventions

Tracking stress is only useful if users can take action. The SkyBrain Stress Platform uses adaptive AI to provide personalized, interventions:

  • Breathing Exercises – When stress spikes, SkyBrain suggests evidence-based breathing techniques to activate the parasympathetic nervous system.

  • Mindfulness & Relaxation – AI-guided mindfulness exercises help users shift from stress mode to recovery mode.

  • Activity Recommendations – Encourages light movement or exercise when prolonged inactivity contributes to stress build-up.

  • Sleep Optimization Insights – Identifies HRV-linked sleep patterns that impact stress recovery.


Technical Implementation: How SkyBrain Works

  • Data Ingestion & Preprocessing

    • Collects raw PPG and ECG signals from various wearable devices.
    • Cleans and filters data to remove noise and ensure accuracy.
  • HRV Standardization Engine
    • Uses AI models to process and normalize data across devices.
    • Creates a consistent PPG dataset for long-term stress tracking.

  • AI Stress Classification Model
    • Processes HRV features using machine learning algorithms.
    • Classifies stress states based on HRV trends, frequency-domain, and nonlinear metrics.

  • AI-Powered Well-Being Interventions
    • Uses adaptive learning models to suggest personalized interventions.
    • Continuously improves recommendations based on user behavior and feedback.

  • User Dashboard & Reports
    • platform for users to view their stress trends.
    • Includes interactive reports, historical comparisons, and AI-driven insights.

Data security, privacy, and compliance

  • Data Privacy Measures: Adhering to GDPR principles, ensuring user consent, anonymization, and secure data storage.
  • Compliance with Ethical Standards: Following Helsinki Protocol guidelines for ethical human data collection and research.
  • Secure Data Storage & Encryption: Implementing end-to-end encryption and decentralized storage mechanisms to protect sensitive PPG, ECG data.

Open Source Licensing

MIT - Massachusetts Institute of Technology License

The SkyBrain Stress Platform is built with an open-source, transparent AI framework to support decentralized AI development and community-driven innovation.

  • HRV Standardization Tools
  • AI Models for Stress Classification & Intervention
  • API Frameworks: 

Additional videos

  1. HRV - BCI Demo @ Tech Summit

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Proposal Video

Placeholder for Spotlight Day Pitch-presentations. Video's will be added by the DF team when available.

  • Total Milestones

    5

  • Total Budget

    $50,000 USD

  • Last Updated

    24 Feb 2025

Milestone 1 - Data Collection Preprocessing & Standardization

Description

1. Gather raw PPG/ECG signals from multiple smartwatch brands and build HRV computation tools. 2. Standardize HRV feature extraction across devices.

Deliverables

1. A structured dataset containing raw PPG/ECG signals from at least 2 smartwatch brands. 2. HRV feature extraction toolkit that extracts HRV metrics (time-domain frequency-domain nonlinear features).

Budget

$12,000 USD

Success Criterion

1. Successfully processed and cleaned PPG/ECG signals from at least 100 test users. 2. Documentation for data collection and processing.

Milestone 2 - AI Model Development for Classification

Description

1. Normalize PPG data across different devices. 2. Develop an AI model for stress classification HRV.

Deliverables

1. AI model that ingests HRV data and outputs standardized HRV values. 2. Stress classification engine that detects stress patterns based on HRV trends.

Budget

$15,000 USD

Success Criterion

1. AI achieves high accuracy in normalizing HRV readings across multiple devices. 2. Successfully classifies stress levels with high precision.

Milestone 3 - AI Wellness Agent Development

Description

Develop reinforcement learning-based AI wellness agents that provide real-time stress interventions.

Deliverables

AI-powered stress management agent that recommends personalized interventions (breathing exercises movement prompts relaxation techniques)

Budget

$15,000 USD

Success Criterion

1. Successfully tested on at least 50 users with real-world HRV data. 2. User trials show 25%+ improvement in stress management outcomes.

Milestone 4 - User Dashboard & Open-Source Community Engagement

Description

1. Develop a dashboard for users to track HRV trends AI insights and well-being recommendations. 2. Open-source key components for research collaborations.

Deliverables

1. A functional dashboard with HRV visualization stress alerts and AI-driven recommendations. 2. Release of open-source AI components (HRV standardization tools AI model APIs).

Budget

$5,000 USD

Success Criterion

1. Achieves 80%+ user satisfaction in beta testing.

Milestone 5 - SNET Integration

Description

Integrate the developed model and API into the SingularityNET platform. This involves ensuring the service meets SNET’s technical and security requirements setting up hosting and API calls and creating a user interface for accessing the service via the SNET platform.

Deliverables

CardioSync AI service deployed and working on SNET platform.

Budget

$3,000 USD

Success Criterion

1. Secure at least 100 real-world users to validate long-term effectiveness.

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