Fig. 4
From: Video based heart rate detection in unrestrained laboratory rats: a feasibility analysis

Example of RoI selections. A: Example of RoI selection in top view video. B: Example of RoI selection in side view video.
From: Video based heart rate detection in unrestrained laboratory rats: a feasibility analysis

Example of RoI selections. A: Example of RoI selection in top view video. B: Example of RoI selection in side view video.