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Sensors (Sensor definition (E.g. (Barometer: measure air pressure -…
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Trends and drivers
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Moore's law: number of transistors per square inch on integrated circuits have double every year since their invention
Sensor definition
A device, module or subsystem
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Inertia movement unit
gyroscope, barometer, magnetometer
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Sensors in Android / iOS
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Sensor data processing
Thresholds (Diagram 7)
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On when above, off when below
On when above higher threshold, off when below lower threshold
Mean filters
for each window, calculate mean value
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Median filters
for each window, calculate median value
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Larger window => larger lag + more smooth on straight lines + represent edges better than mean filters
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