Extended approach to sum of absolute differences method for improved identification of periods in biomedical time series

Figures

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  Fig. 1. Heart rate, sum of absolute differences, and heart rate with moving average filter with window length based on usual SAD approach, for Person 1.

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  Fig. 2. Heart rate, sum of absolute differences, and heart rate with moving average filter with window length based on usual SAD approach, for Person 2.

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  Fig. 3. Heart rate, sum of absolute differences, and heart rate with moving average filter with window length based on usual SAD approach, for Person 3.

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  Fig. 4. Heart rate, sum of absolute differences, and heart rate with moving average filter with window length based on usual SAD approach, for Person 4.

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  Fig. 5. Heart rate, sum of absolute differences, and heart rate with moving average filter with window length based on usual SAD approach, for Person 5.

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  Fig. 6. Type-2 fuzzy set membership function with footprint of uncertainty applied to two zero-points of jerk.

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  Fig. 7. Heart rate, sum of absolute differences with third gradient, and heart rate with moving average filter with window length based on second zero-point of third gradient, for Person 1 from PAMAP2 dataset.

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  Fig. 8. Heart rate, Sum of Absolute Differences with third gradient, and Heart Rate with Moving Average filter with window length based on second zero-point of third gradient, for Person 2 from PAMAP2 dataset.

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  Fig. 9. Heart rate, sum of absolute differences with third gradient, and heart rate with moving average filter with window length based on second zero-point of third gradient, for Person 3 from PAMAP2 dataset.

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  Fig. 10. Heart rate, sum of absolute differences with third gradient, and heart rate with moving average filter with window length based on second zero-point of third gradient, for Person 4 from PAMAP2 dataset.

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  Fig. 11. Heart rate, sum of absolute differences with third gradient, and heart rate with moving average filter with window length based on second zero-point of third gradient, for Person 5 from PAMAP2 dataset.

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  Fig. 12. Heart rate, heart rate with moving average filter with window length based on usual SAD approach, sum of absolute differences with third gradient, and heart rate with moving average filter with window length based on second zero-point of third gradient, for Person 1 from simultaneous physiological measurements dataset.