Personalized Physical Activity Monitoring on the Move

Marco Altini, Julien Penders, Ruud Vullers and Oliver Amft

Between-Person Variability

kcalskcals

2 Subjects – Same Body Size

Same Energy Expenditure

Activities of Daily Living

HRHR

2 Subjects – Same Body Size

Different Fitness Level -> Different HR

Activities of Daily Living

How To Personalize?

Lying Walking Running

Low intensity Activities of Daily Living

HR Normalization Factor

Heart Rates Distributions

Normalized HR (Qualitative)

Normalized HR-> Better EE Estimates

Non-Normalized HR (Quantitative)

dynamic

walkingrunning

biking

RMSE 1.02 kcal/min

0.60kcal/min

1.13kcal/min

1.25kcal/min

1.38kcal/min

Normalized HR (Quantitative)

dynamic

walkingrunning

biking

RMSE 0.81 kcal/min

28% 33%29%3%0.60

kcal/min0.58

kcal/min1.13

kcal/min0.81

kcal/min1.25

kcal/min0.89

kcal/min1.38

kcal/min0.92

kcal/min

Demo