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Respiratory information can be obtained from the changes in electrical impedance across the chest, the electrocardiogram or the changes in light absorption across the finger. Running estimates of the breathing rate from each of these can be obtained from independent Kalman filters. A robust estimate of breathing rate is derived by fusing the outputs of these independent Kalman filters using a weighting calculated from the squared differences between each prediction from the filters and the corresponding measurements.

Original publication

DOI

10.1049/el:20020773

Type

Journal article

Journal

Electronics Letters

Publication Date

24/10/2002

Volume

38

Pages

1314 - 1316