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Fig. 3 | Journal of NeuroEngineering and Rehabilitation

Fig. 3

From: A novel accelerometry-based algorithm for the detection of step durations over short episodes of gait in healthy elderly

Fig. 3

“Resegmented signal”, “Segmented signal” and “Template signal” with a sampling rate of 100 samples/s. Typical example of an AP acceleration signal collected at the lower back and segmented from shortly before the first heel-strike of the gait episode until shortly before the foremost foot reached the end of the trial (“Segmented signal”, blue). New segmentation of the raw AP acceleration signal, which contains three sections with a number of samples equivalent to the template length, one section prior to the start marker of the initial segmentation, and two sections after the end marker of the initial segmentation (“Resegmented signal”, green). “Template signal” (black) is the average of all the sections defined in step 2.3

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