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Article | REF: R1815 V1

Activity Recognition from Accelerometer Data

Authors: Romain AUBER, Mathieu POULIQUEN, Éric PIGEON

Publication date: June 10, 2021, Review date: June 24, 2021

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3. Data pre-processing

3.1 Filtering

The signals supplied by the sensors can be noisy, and a low-pass filter often needs to be applied to eliminate the noise. As seen previously, in some cases it is chosen to filter out the acceleration induced by gravity (component a ig ) by applying a high-pass filter. This is achieved using a Butterworth filter in and a bandpass filter is used in

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Data pre-processing
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