Reduced-order modeling and analysis of dynamic cerebral autoregulation via diffusion maps
dos Santos K, Katsidoniotaki M, Miller E, Petersen N, Marshall R, Kougioumtzoglou I. Reduced-order modeling and analysis of dynamic cerebral autoregulation via diffusion maps. Physiological Measurement 2023, 44: 044001. PMID: 36963111, PMCID: PMC11271258, DOI: 10.1088/1361-6579/acc780.Peer-Reviewed Original ResearchConceptsDiffusion mapsState-space descriptionReduced-order modelingIntrinsic dynamicsTime derivativeLow-dimensional representationRandom walkMarkov matrixParsimonious modelingSignificant eigenvaluesEigenvalue ratioFurther dimension reductionEigenvalue analysisTransfer function analysisDimension reductionData-driven techniquesMain resultsDynamicsEigenvaluesFlow velocityModelingSuperior performanceMap techniqueGraphWalk