We are two students of biomedical engineering at Politecnico di Milano. We present our project about biometric recognition and emotion detection using PPG signal.

1. 1
Biometric Recognition and
Emotion Detection System
Sara Bridio
Giulia Core

2. 2
Security
Comfort
Context
Two fields of application
(*) www.dday.it (**) www..mdpi.com
(*)
(**)

3. Tools
3www.mi.com
MI bracelet: a non-invasive
way to extract biometric
signals.

4. 4(*) www.google.com/patents/US20130324814
Photoplethysmography
Tools
(*)
PPG signal
Blood flow volume
Pulse rate
&
Blood pressure

5. Work organization
5
•Signal recording
(**) www.mi.com(*) T. Tamura, Y. Maeda , M. Sekine and M. Yoshida, WearablePhotoplethysmographicSensors—Past and Present
(*) (**)
Optical detection
LED Photodetector
Light source
Reflectance mode
Measures variations of
reflected radiation

6. Work organization
6
•Signal recording
•Signal processing and filtering
(*) www.mdpi.com
(*)
(*)
Removal of
motion artifacts
and other noises

7. Work organization
7
•Signal recording
•Signal processing and filtering
•Signal’s features drawing
Linked to
the specific
individual
Linked to the
emotional
state

8. 8
Aims
Bluetooth 4.0
communication
as a step of individual authentication before accessing
reserved areas or data
an interface from which the user can provide his feelings,
in order to verify or correct the processing results
Android APP

9. 9(*) honeywell.com
Applied to
Smart Buildings
(*)
SECURITY
Giving access to private areas or data only
to people having the appropriate rights
COMFORT
Creating comfortable living conditions, in
order to improve the workers’ wellness
and productivity

10. Contacts
coregiulia@gmail.com
sara.bridio@mail.polimi.it
Emails
Facebook
Twitter
https://www.facebook.com/bioreds.project/
Politecnico di Milano, NECST lab, DEIB, building 20, via Ponzio, 34/5, 20133, Milano
https://twitter.com/BioREDs_necst
bioreds.necst@gmail.com