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eric c. larson | eclarson.com
recognizing mhealth through
phone-as-a-sensor technology
Assistant Professor Computer Science and Engineering
MiPhone 9
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mHealth (em-hell-th )
an abbreviation for mobile health, a term
used for the practice of medicine and public
health supported by mobile devices
the promise of mHealth:
the promise of mHealth:
eliminate doctor visits
remote / automatic diagnosis
equalize developing countries
the promise of mHealth:
eliminate doctor visits
remote / automatic diagnosis
equalize developing countries
the promise of mHealth:
eliminate doctor visits
remote / automatic diagnosis
equalize developing countries
stress check
telemedicinefitness trainer
heart rate
current mhealth
remote training
stress check
telemedicinefitness trainer
heart rate
current mhealth
remote training43,000 apps for health on the app store
stress check
telemedicinefitness trainer
heart rate
current mhealth
remote training43,000 apps for health on the app store
96% are for calorie counting & exercise
stress check
telemedicinefitness trainer
heart rate
current mhealth
remote training43,000 apps for health on the app store
96% are for calorie counting & exercise
4% are remote monitoring
stress check
telemedicinefitness trainer
heart rate
current mhealth
remote training43,000 apps for health on the app store
96% are for calorie counting & exercise
4% are remote monitoring
yet to be a disruptive mHealth technology
consider physician’s needs
consider physician’s needs
connecting with patient
tracking baselines
personalized trending data
managing disease
consider physician’s needs
connecting with patient
tracking baselines
personalized trending data
managing disease
75% of all US healthcare spending
is on chronic disease
source: center for disease control, 2014
mHealth sensing in the home
for managing disease
mHealth sensing in the home
for managing disease
compliance?
cost?
data reliability?
baseline quantitysensor
phone-as-a-sensor
baseline quantitysensor
embedded
sensors
phone-as-a-sensor
baseline quantitysensor
embedded
sensors
processing
estimated
accelerometer
gyroscope
magnetometer /compass
dual camera / flash
1+ microphones
proximity sensor
capacitive sensor
gps
motorized actuator
wireless antenna (s)
accelerometer
gyroscope
magnetometer /compass
dual camera / flash
1+ microphones
proximity sensor
capacitive sensor
gps
motorized actuator
wireless antenna (s)
compliance++;
cost--;
accelerometer
gyroscope
magnetometer /compass
dual camera / flash
1+ microphones
proximity sensor
capacitive sensor
gps
motorized actuator
wireless antenna (s)
compliance++;
cost--;
data reliability?
what can the mobile phone
sense with clinical accuracy?
Method Accuracy Disadvantages
TSB
Gold standard
(r=1.0)
Painful, costly,
inconvenient,
delayed
TcB
Accurate
(r= 0.75 -0.93)
Meter = $7000
tips $5
unavailable in most
physician offices
Visual
assessment
not accurate
(r= 0.36 - 0.7),
underestimates
severity
No standardization
lighting,
pigmentation
bilirubin
level in blood
jaundice level
blood
draw
bilirubin
level in blood
jaundice level
blood
draw
yellowness camera
bilirubin
level in blood
jaundice level
blood
draw
yellowness camera processing
estimated
BiliCam
BiliCam
first 100 newborns in study:
	 	 	 	 	 BiliCam is equivalent to TcB
oxygen volume, VO2
other research
cardiac output and blood pressure
pulmonary function
affect sensing
eric c. larson | eclarson.com
eclarson.com
eclarson@lyle.smu.edu
@ec_larson
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Assistant Professor Computer Science and Engineering
collaborators:!
Joseph Camp
Shwetak Patel
Jim Stout, MD, MPH
Jim Taylor, MD
Margaret Rosenfeld, MD
Gaetano Boriello
Mayank Goel
Lilian DeGreef
recognizing mhealth through
phone-as-a-sensor technology
eric c. larson | eclarson.com
eclarson.com
eclarson@lyle.smu.edu
@ec_larson
Assistant Professor Computer Science and Engineering
collaborators:!
Joseph Camp
Shwetak Patel
Jim Stout, MD, MPH
Jim Taylor, MD
Margaret Rosenfeld, MD
Gaetano Boriello
Mayank Goel
Lilian DeGreef
recognizing mhealth through
phone-as-a-sensor technology

Recognizing mHealth through phone-as-a-sensor technology