Fig. 9From: Differences in intestinal motility during different sleep stages based on long-term bowel soundsTurning-over segment recognition: A BSs with manually labeling information of EBSs. B BSs with automatic recognition information of EBSs. C noise sounds with automatic recognition information of a turning-over segment. Green lines: the start points of the segments. Red lines: the end points of the segmentsBack to article page