Resources
Everything you need to understand contactless vital signs technology. Explore our glossary of key terms, technical guides, and published research on rPPG and camera-based health monitoring.
Key Terms & Definitions
Essential terminology for understanding contactless vitals and rPPG technology
rPPG
Remote Photoplethysmography
PPG
Photoplethysmography
Heart Rate
Beats per minute
HRV
Heart Rate Variability
SpO2
Blood Oxygen Saturation
Respiratory Rate
Breaths per minute
Blood Pressure
Systolic & Diastolic
Telehealth
Virtual healthcare delivery
Remote Patient Monitoring
RPM programs & CMS
HIPAA
Healthcare privacy law
RMSSD
HRV time-domain metric
SDNN
HRV standard deviation
EHR
Electronic Health Records
FHIR
Healthcare interoperability standard
HL7
Health Level Seven standard
SOC 2
Security compliance framework
BAA
Business Associate Agreement
Autonomic Nervous System
ANS & HRV connection
Pulse Transit Time
PTT for BP estimation
SDK
Software Development Kit
Technical Guides & Documentation
In-depth resources for developers, clinicians, and decision-makers
Implementation Guide↗
Step-by-step guide to integrating Circadify's contactless vitals SDK into your platform. Covers API setup, authentication, and best practices.
rPPG Technology Explained
Deep dive into how remote photoplethysmography works, from camera capture to AI signal processing to vital sign extraction.
How Contactless Vitals Work
Step-by-step breakdown of the contactless vital signs detection process, including face detection, signal extraction, and vital computation.
Technology & Research
Studies and technical documentation behind our technology
Explore the Science Behind rPPG
Review studies and technical documentation demonstrating the capabilities of contactless vital signs measurement using rPPG technology.
More Resources
FAQ
Frequently asked questions about contactless vitals, rPPG accuracy, integration, and HIPAA compliance.
Comparisons
See how contactless rPPG technology compares to wearables, pulse oximeters, and blood pressure cuffs.
Watch Demo
See Circadify's contactless vital signs technology in action. Experience camera-based health measurement firsthand.
Request A Demo
See how contactless vitals can transform your healthcare delivery.