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. 2021 Jan 15;11:1632. doi: 10.1038/s41598-020-80394-y

Figure 2.

Figure 2

Example showcasing the steps towards the calculation of the PtM duration. In the first step (a) the subset yi,u is presented for the inter-bite interval [bi-1,bi]. Bite timestamps bi-1 and bi are represented as blue circles. The green stems marked with u symbolize the upwards moments, while the red stems marked with ¬u signify the non-upwards moments. In the following step (b) the set of u-regions Ri={ri,1,ri,2,ri,3} is formed and the distances di(ri,3,ri,2) and di(ri,2,ri,1) are calculated. For this example we will use the × symbol to indicate that di(ri,2,ri,1) is greater than the λd threshold and therefore, that merge is considered unsuccessful. As a result, the number of consecutive successful merges Ji equals to one. The last step (c) presents the temporal positioning of the τis and τie moments. Finally, duration PtMi is given by τie-τis-di(ri,3,ri,2).