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Table 3 Effects of the half-heart mask generation on heart rate estimation

From: An automatic method to calculate heart rate from zebrafish larval cardiac videos

Mask

Areaa

MAE

RMSE

rMAE

rRMSE

Videob

787.2 k

0.491

0.665

11.1%

17.4%

Varied regionc

30.2 k

0.180

0.339

6.1%

11.6%

Heartd

23.7 k

0.161

0.284

5.2%

8.8%

Half-hearte

11.3 k

0.054

0.071

1.8%

2.4%

  1. aArea of the mask (unit: pixel). Heartbeat signals were extracted from the bentire video (i.e. no filter of the half-heart mask generation was enabled), chighly varied region (the first two filters were enabled), dheart region (the first three filters were enabled) and ehalf-heart region (all filters were enabled)
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