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...
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Data pre-processing
Extraction and selection of classification parameters
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