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This line of research includes 2 projects underway and 1 with preliminary data from M.Sc. study for which support is being sought. Generally this line of research is aimed at adding value to existing instruments associated with anaesthesia or developing new measurement systems that can be integrated into future decision support systems. One Ph.D. project on improving blood gas machine reliability is now complete. The methodologies for considering electrode responses and their classification using PCA and a novelty detection algorithm for detecting calibration failure  named ADDaM have been established. Another project on analysis of physiological information logged by the Recall system at the Manchester Royal Infirmary is entering its final year. Artefact rejection algorithms have now been shown to given suitable performance. A project based on preliminary data on the classification of chest sounds is proposed for the detection of respiratory changes during anaesthesia and other areas of work including respiratory medicine, health and safety and sleep apnoea. The approach to be used is a dual hybrid system with pre-classifiers supervised by a diagnostic neural classifier to optimise the use of pathological data and separates the problem of feature extraction for different sounds from the classification problem.

For more information see www.psrg.man.ac.uk

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