Recent development of respiratory rate measurement technologies

Haipeng Liu, John Allen, D. Zheng, Fei Chen

Research output: Contribution to journalArticlepeer-review

175 Citations (Scopus)
275 Downloads (Pure)


Respiratory rate (RR) is an important physiological parameter whose abnormality has been regarded as an important indicator of serious illness. In order to make RR monitoring simple to perform, reliable and accurate, many different methods have been proposed for such automatic monitoring. According to the theory of respiratory rate extraction, methods are categorized into three modalities: extracting RR from other physiological signals, RR measurement based on respiratory movements, and RR measurement based on airflow. The merits and limitations of each method are highlighted and discussed. In addition, current works are summarized to suggest key directions for the development of future RR monitoring methodologies.
Original languageEnglish
Pages (from-to)07TR01
Number of pages27
JournalPhysiological Measurement
Issue number7
Publication statusPublished - 2 Aug 2019
Externally publishedYes

Bibliographical note

Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.


  • portable physiological measurement
  • respiratory rate
  • wearable sensor


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