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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Extracted signals comparisons for breathing rate 56.25 BPM. (a) Radar and ground truth signals. (b) RGB and ground truth signals. (c) Radar and RGB signals.