Fig. 10From: Data driven filtering of bowel sounds using multivariate empirical mode decompositionFiltering and artifact elimination. Original and filtered versions of signals contaminated by artifacts. IMF-FD: intrinsic mode function-based fractal dimension filter. IMF-FD + AE: IMF-FD filter plus artifact elimination. a Sneezing artifact. b Stroke artifact (0.8–1 s), bowel sound (2–3 s), movement artifact (6.5–9.5 s)Back to article page