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The final minute of a typical 10-minute record from the Challenge data set. From the top, the signals are respiration, raw fingertip plethysmograph output, arterial blood pressure, ECG leads II, “V” (an unspecified precordial lead), and aVR, and central venous pressure. The goal was to reconstruct the missing target signal (in this case, the fingertip plethysmograph output, which was replaced by a flat signal during the final 30 seconds).
