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Figure 8
OpenCV can be used to detect heartbeat irregularity in Daphnia magna. Comparison of heart rate (A) and heartbeat interval (B) obtained using ImageJ TSA and OpenCV methods. Comparison of heartbeat regularity using ImageJ and OpenCV methods (C), red dotted line signifies normal value of each parameter obtained from control group. Poincare plots were used to measure heartbeat regularity for either ImageJ (D) or OpenCV (E) methods. Data was calculated using Wilcoxon test and presented as Mean ± SD, n = 14 (** p < 0.01; *** p < 0.001).
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