Sensing motion.
The accelerometer and the gyroscope measure motion a hundred times per second. With those numbers you recognize gestures and activities, spot anomalies and estimate values.
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04.01
The phone senses motion
15 min
Six axes, samples per second, windows and features. You watch the traces while you move the phone. Live traces
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04.02
Recognizing a gesture or an activity
22 min
Shaking, drawing a circle, standing still. You record the examples and train the model on the phone. Lab, Motion input
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04.03
Noticing what's unusual
18 min
A model that has only seen normal examples and flags what doesn't fit. The phone resting on the washing machine. Lab, anomalies task
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04.04
Predicting a number
16 min
Regression and forecasting. Instead of accuracy, you measure how far off you are on average. Lab, number task
The course review → The key concepts and new questions, once you've finished the lessons.