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Activity-specific recognition performance for diverse window sizes and methodologies (<classification paradigm>-<feature set>): (a) DT-FS1; (b) DT-FS2; (c) DT-FS3; (d) KNN-FS1; (e) KNN-FS2; and (f) KNN-FS3. The minimum window size required to achieve a specific F1-score is depicted. No color is specified (not defined, ND) for performance values that may not be achieved for any of the window sizes and methodologies.
