FIGURE

Fig. 5

ID

ZDB-FIG-240509-31

Publication

Marelli et al., 2023 - PAAQ: Paired Alternating AcQuisitions for virtual high frame rate multichannel cardiac fluorescence microscopy

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Fig. 5

Stochastic phase model for simulating heart rate variability. Our model uses two parameters to represent variability: a phase deviation An external file that holds a picture, illustration, etc. Object name is S2633903X23000223_inline192.jpg and a frequency deviation An external file that holds a picture, illustration, etc. Object name is S2633903X23000223_inline193.jpg . Plots illustrate the model for a simulated 2.5 beats per second signal. (a) Varying the ratio of these contributions changes how fast the phase uncertainty increases, with An external file that holds a picture, illustration, etc. Object name is S2633903X23000223_inline194.jpg generating a rapidly increasing variance. Measurements on experimental data match the simulation model. (b) Realizations of our model in different scenarios show that An external file that holds a picture, illustration, etc. Object name is S2633903X23000223_inline195.jpg generates local noise, while An external file that holds a picture, illustration, etc. Object name is S2633903X23000223_inline196.jpg contributes to bigger smoother variations. The bottom-right panel illustrates values matching experimental measurements.

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Acknowledgments

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