Fig. 6 | Scientific Reports

Fig. 6

From: Toward automatic and reliable evaluation of human gastric motility using magnetically controlled capsule endoscope and deep learning

Fig. 6

An example of applying the periodical feature detector on an MCCE frame sequence (case2 in the testing set). For each interval value I from 10 to 50 s, the periodical detector will generate a corresponding feature difference score. The I (between predefined \(T_l\) and \(T_u\)) with local minimum feature difference score will be identified as the detected period P. In this case, the detected period of human gastric peristalsis is 17.5 s (denoted as red line), which is close to the counted period (19.2s).

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