Fig. 3: Respiration and heartbeat signal detection of two subjects sitting at (−28°, 28°). | Nature Communications

Fig. 3: Respiration and heartbeat signal detection of two subjects sitting at (−28°, 28°).

From: Vision-driven metasurfaces for perception enhancement

Fig. 3

a–c Corresponds to the subject on the right. d–f corresponds to the subject on the left. a, d Experimental scenarios and the heatmap of gaze points. b, e Respiration signals of two subjects. c, f Heartbeat signals of two subjects.

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